[Stoves] ***SPAM*** Re: ***SPAM*** Re: ***SPAM*** Re: Stoves Digest, Vol 146, Issue 4
Info Skymem
info at skymem.com
Wed Oct 12 19:06:19 CDT 2022
Hi,
thank you for your information.
On our website you can find email addresses of companies and people.
https://www.skymem.info
In short, it’s like Google for emails.
Best regards,
Robert,
Skymem team
On Wed, Oct 12, 2022 at 8:41 PM K McLean <kmclean56 at gmail.com> wrote:
>
> Norm,
>
> I think a few mm will be fine. On Crispin's suggestion, we put a few horizontal stalks under a bundle to increase the airflow. They didn't seem to make much difference.
>
> Kevin
>
> On Wed, Oct 12, 2022 at 8:29 PM Norman Baker <ntbakerphd at gmail.com> wrote:
>>
>> Kevin;
>>
>> Crispin explained the procedure quite well that is exactly what I do except, where possible I weigh the entire amount of feedstock.
>>
>> From your videos I can see a bit of ash is formed which is probably okay. When I do the burn and emissions testing we will try to calculate the amount of biochar. There we will run into a slight problem because I will need to do the burn on a metal surface under the band enclosing the maze stocks. In your burn, there is undoubtedly some air infiltration under the band. Then we run into the problem of how much air is entering under the band. Any ideas from all of you would be appreciated. I'm guessing we can do a 1 or 2 mm elevation of the band over a metal plate and see if there is a difference, with and without the elevation, in emissions.
>>
>> Norm
>>
>> Norm
>>
>> On Wed, Oct 12, 2022 at 10:05 AM <stoves-request at lists.bioenergylists.org> wrote:
>>>
>>> Send Stoves mailing list submissions to
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>>>
>>> Today's Topics:
>>>
>>> 1. ***SPAM*** Re: Stoves Digest, Vol 146, Issue 3 (Norman Baker)
>>> 2. ***SPAM*** Re: ***SPAM*** Re: Stoves Digest, Vol 146, Issue
>>> 3 (K McLean)
>>> 3. Re: ***SPAM*** Re: ***SPAM*** Re: Stoves Digest, Vol 146,
>>> Issue 3 (Crispin Pemberton-Pigott)
>>> 4. ***SPAM*** Re: ***SPAM*** Re: ***SPAM*** Re: Stoves Digest,
>>> Vol 146, Issue 3 (Kevin McLean)
>>> 5. ***SPAM*** Re: ***SPAM*** Re: ***SPAM*** Re: ***SPAM*** Re:
>>> Stoves Digest, Vol 146, Issue 3 (Kevin McLean)
>>> 6. Re: ***SPAM*** Re: ***SPAM*** Re: ***SPAM*** Re: Stoves
>>> Digest, Vol 146, Issue 3 (Crispin Pemberton-Pigott)
>>>
>>>
>>> ----------------------------------------------------------------------
>>>
>>> Message: 1
>>> Date: Tue, 11 Oct 2022 10:14:36 -0700
>>> From: Norman Baker <ntbakerphd at gmail.com>
>>> To: stoves at lists.bioenergylists.org
>>> Subject: [Stoves] ***SPAM*** Re: Stoves Digest, Vol 146, Issue 3
>>> Message-ID:
>>> <CAEZw-BD57-x7SgurQHOPESRU46WtCyLWwWwhePJ3DsyMzi20Yg at mail.gmail.com>
>>> Content-Type: text/plain; charset="utf-8"
>>>
>>> Kevin;
>>>
>>> First, let me apologize for not getting emissions testing done for you at
>>> Aprovecho. Life seems to get in the way sometimes - especially when you're
>>> older and events crop up suddenly.
>>>
>>> The metal band with the stocks upright is probably a better way to make use
>>> of the maize stocks. From watching your videos it is clear this is
>>> functioning as a hybrid between TLUD's and flame caps. Do you make any
>>> attempt to regulate the air from below? When we go to Aprovecho I can
>>> easily make a band and we can do emissions testing on this new arrangement.
>>> I still plan to compare emissions of dried maize stocks versus maize stocks
>>> at ambient relative humidity. I think there will be a difference. I'm also
>>> planning to do this in a metal band versus the "conservation burn" style
>>> you originally worked with. Let me know what you think.
>>>
>>> Norm
>>>
>>> On Tue, Oct 11, 2022 at 10:05 AM <stoves-request at lists.bioenergylists.org>
>>> wrote:
>>>
>>> > Send Stoves mailing list submissions to
>>> > stoves at lists.bioenergylists.org
>>> >
>>> > To subscribe or unsubscribe via the World Wide Web, visit
>>> >
>>> > http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org
>>> >
>>> > or, via email, send a message with subject or body 'help' to
>>> > stoves-request at lists.bioenergylists.org
>>> >
>>> > You can reach the person managing the list at
>>> > stoves-owner at lists.bioenergylists.org
>>> >
>>> > When replying, please edit your Subject line so it is more specific
>>> > than "Re: Contents of Stoves digest..."
>>> >
>>> >
>>> > Today's Topics:
>>> >
>>> > 1. ***SPAM*** Maize stalks as cooking fuel in bands and bundles
>>> > (Kevin McLean)
>>> > 2. ***SPAM*** Re: ***SPAM*** Maize stalks as cooking fuel in
>>> > bands and bundles (energiesnaturals at gmx.de)
>>> >
>>> >
>>> > ----------------------------------------------------------------------
>>> >
>>> > Message: 1
>>> > Date: Mon, 10 Oct 2022 19:50:55 +0200
>>> > From: Kevin McLean <kevin at sun24.org>
>>> > To: Stoves and Biofuels Network <stoves at lists.bioenergylists.org>
>>> > Subject: [Stoves] ***SPAM*** Maize stalks as cooking fuel in bands and
>>> > bundles
>>> > Message-ID:
>>> > <
>>> > CALxcr-v5W0pxsbUd9wciv7aQ5k2CbiBg2Uo1Z2Yj4-5syEnxWA at mail.gmail.com>
>>> > Content-Type: text/plain; charset="utf-8"
>>> >
>>> > We've long been trying to find a way to use maize stalks as a cooking fuel
>>> > in Africa. They are challenging because they burn fast and smoky. We may
>>> > have found a way.
>>> >
>>> > Make a bundle of stalks in a metal band and stand up the bundle so the
>>> > stalks are upright. Then light the top. The band has a diameter of 20
>>> > cm. The stalks burn remarkably clean for about 13 minutes, no tending.
>>> > Then a new bundle can be swapped in to continue the cooking. Below are
>>> > some videos.
>>> >
>>> > My colleague in Uganda thinks that farmers with two growing seasons can
>>> > cook year round with maize stalks and never need to collect firewood again
>>> > ... we'll see.
>>> >
>>> > As a bonus, this makes biochar.
>>> >
>>> > [image: Bands with maize stalks.jpeg]
>>> >
>>> > Videos:
>>> > Self help group leaders being trained on stalks in bands
>>> > <
>>> > https://drive.google.com/file/d/10VXniCh8-JFLg6EwFcImsmYbeJAEDu6D/view?usp=sharing
>>> > >
>>> > Stalks in band burning
>>> > <
>>> > https://drive.google.com/file/d/16QvwLwqTIQrV3rDuJGX_zqXJBoXZemKu/view?usp=sharing
>>> > >
>>> > Swapping bands of stalks
>>> > <
>>> > https://drive.google.com/file/d/1ZYqahvxprdjvsRkVav66clPegWoN3Uyc/view?usp=sharing
>>> > >
>>> >
>>> >
>>> > Kevin McLean, President
>>> > Sun24.org
>>> > -------------- next part --------------
>>> > An HTML attachment was scrubbed...
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>>> > >
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>>> > >
>>> >
>>> > ------------------------------
>>> >
>>> > Message: 2
>>> > Date: Tue, 11 Oct 2022 12:07:22 +0000
>>> > From: "energiesnaturals at gmx.de" <energiesnaturals at gmx.de>
>>> > To: Discussion of biomass cooking stoves
>>> > <stoves at lists.bioenergylists.org>
>>> > Subject: [Stoves] ***SPAM*** Re: ***SPAM*** Maize stalks as cooking
>>> > fuel in bands and bundles
>>> > Message-ID:
>>> > <
>>> > PAXPR03MB7917338104A32472776AB641A9239 at PAXPR03MB7917.eurprd03.prod.outlook.com
>>> > >
>>> >
>>> > Content-Type: text/plain; charset="iso-8859-1"
>>> >
>>> > @Kevin
>>> >
>>> > Imagine you rise the sleeve higher up and leave some space between it and
>>> > the bundle.
>>> > It should have a "secondary air effect", I guess, and burn even cleaner.
>>> >
>>> > Holen Sie sich Outlook f?r Android<https://aka.ms/AAb9ysg>
>>> > ________________________________
>>> > From: Stoves <stoves-bounces at lists.bioenergylists.org> on behalf of Kevin
>>> > McLean <kevin at sun24.org>
>>> > Sent: Monday, October 10, 2022 7:50:55 PM
>>> > To: Stoves and Biofuels Network <stoves at lists.bioenergylists.org>
>>> > Subject: [Stoves] ***SPAM*** Maize stalks as cooking fuel in bands and
>>> > bundles
>>> >
>>> > We've long been trying to find a way to use maize stalks as a cooking fuel
>>> > in Africa. They are challenging because they burn fast and smoky. We may
>>> > have found a way.
>>> >
>>> > Make a bundle of stalks in a metal band and stand up the bundle so the
>>> > stalks are upright. Then light the top. The band has a diameter of 20
>>> > cm. The stalks burn remarkably clean for about 13 minutes, no tending.
>>> > Then a new bundle can be swapped in to continue the cooking. Below are
>>> > some videos.
>>> >
>>> > My colleague in Uganda thinks that farmers with two growing seasons can
>>> > cook year round with maize stalks and never need to collect firewood again
>>> > ... we'll see.
>>> >
>>> > As a bonus, this makes biochar.
>>> >
>>> > [Bands with maize stalks.jpeg]
>>> >
>>> > Videos:
>>> > Self help group leaders being trained on stalks in bands<
>>> > https://drive.google.com/file/d/10VXniCh8-JFLg6EwFcImsmYbeJAEDu6D/view?usp=sharing
>>> > >
>>> > Stalks in band burning<
>>> > https://drive.google.com/file/d/16QvwLwqTIQrV3rDuJGX_zqXJBoXZemKu/view?usp=sharing
>>> > >
>>> > Swapping bands of stalks<
>>> > https://drive.google.com/file/d/1ZYqahvxprdjvsRkVav66clPegWoN3Uyc/view?usp=sharing
>>> > >
>>> >
>>> >
>>> > Kevin McLean, President
>>> > Sun24.org
>>> >
>>> > [
>>> > https://ci3.googleusercontent.com/mail-sig/AIorK4zAIztZKxS3RzbnyZJ5ZD9359VFc-kCexObS_SF70Gwj0UezW9Scu7SqRnnNXaJ38t35hMmxIs]
>>> > [
>>> > https://ci3.googleusercontent.com/mail-sig/AIorK4z2tsZ3rgW5tI0WX2NWWXDTqudhoRxP7rN4Fg_TMvvUZ5TZ86uotlupTwH8ivq8hBLlmCLH7Ac
>>> > ]
>>> > -------------- next part --------------
>>> > An HTML attachment was scrubbed...
>>> > URL: <
>>> > http://lists.bioenergylists.org/pipermail/stoves_lists.bioenergylists.org/attachments/20221011/75c54a51/attachment-0001.html
>>> > >
>>> > -------------- next part --------------
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>>> > Name: Bands with maize stalks.jpeg
>>> > Type: image/jpeg
>>> > Size: 86655 bytes
>>> > Desc: Bands with maize stalks.jpeg
>>> > URL: <
>>> > http://lists.bioenergylists.org/pipermail/stoves_lists.bioenergylists.org/attachments/20221011/75c54a51/attachment-0001.jpeg
>>> > >
>>> >
>>> > ------------------------------
>>> >
>>> > Subject: Digest Footer
>>> >
>>> > _______________________________________________
>>> > Stoves mailing list
>>> >
>>> > to Send a Message to the list, use the email address
>>> > stoves at lists.bioenergylists.org
>>> >
>>> > to UNSUBSCRIBE or Change your List Settings use the web page
>>> >
>>> > http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org
>>> >
>>> >
>>> > for more Biomass Cooking Stoves, News and Information see our web site:
>>> > http://www.bioenergylists.org/
>>> >
>>> >
>>> > ------------------------------
>>> >
>>> > End of Stoves Digest, Vol 146, Issue 3
>>> > **************************************
>>> >
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>>>
>>> ------------------------------
>>>
>>> Message: 2
>>> Date: Tue, 11 Oct 2022 20:29:16 +0200
>>> From: K McLean <kmclean56 at gmail.com>
>>> To: Discussion of biomass cooking stoves
>>> <stoves at lists.bioenergylists.org>
>>> Subject: [Stoves] ***SPAM*** Re: ***SPAM*** Re: Stoves Digest, Vol
>>> 146, Issue 3
>>> Message-ID:
>>> <CALxcr-uYh3sduNCNSLOSKWpZ74-QKQdWnsoqiLyYi2yo9eH=9w at mail.gmail.com>
>>> Content-Type: text/plain; charset="utf-8"
>>>
>>> You never need to apologize, Norm.
>>>
>>> I'm leaning toward the bands over the cooking hole. A band with maize
>>> stalks is simpler and seems to be less smoky. But the big band advantage
>>> is the bundles can be swapped out to extend the cooking session
>>> indefinitely.
>>>
>>> It would be awesome if you could test the band and bundle method at
>>> Aprovecho. We have not yet tried to regulate air flow.
>>>
>>> Moisture content is obviously important. Please look at this video where
>>> we compare the burning of two piles of freshly cut upright maize stalks
>>> that were brown and looked dry. (You may have seen it on the biochar
>>> listserv, but it is also relevant here.) We are demonstrating the
>>> difference in smoke when a pile is lit on the side (left pile, the
>>> traditional method in Africa) and when lit on top (right pile, the way we
>>> train). The difference in smoke is stunning. However, when we compared
>>> two piles of stalks that were cut two week previous, both piles burned with
>>> little smoke. I attribute this to moisture content. Brown upright stalks
>>> must have a higher moisture content than stalks that were cut and left on
>>> the ground for two weeks.
>>>
>>> Side by Side Burn of Maize Stalks (video): https://youtu.be/5M4ntJi_JmY.
>>> Some of the principles of the top down burn of large piles of maize stalks
>>> are probably involved in the burning of stalks in bands from the top.
>>>
>>> How do you test for moisture content?
>>>
>>> On Tue, Oct 11, 2022 at 7:19 PM Norman Baker <ntbakerphd at gmail.com> wrote:
>>>
>>> > Kevin;
>>> >
>>> > First, let me apologize for not getting emissions testing done for you at
>>> > Aprovecho. Life seems to get in the way sometimes - especially when you're
>>> > older and events crop up suddenly.
>>> >
>>> > The metal band with the stocks upright is probably a better way to make
>>> > use of the maize stocks. From watching your videos it is clear this is
>>> > functioning as a hybrid between TLUD's and flame caps. Do you make any
>>> > attempt to regulate the air from below? When we go to Aprovecho I can
>>> > easily make a band and we can do emissions testing on this new arrangement.
>>> > I still plan to compare emissions of dried maize stocks versus maize stocks
>>> > at ambient relative humidity. I think there will be a difference. I'm also
>>> > planning to do this in a metal band versus the "conservation burn" style
>>> > you originally worked with. Let me know what you think.
>>> >
>>> > Norm
>>> >
>>> > On Tue, Oct 11, 2022 at 10:05 AM <stoves-request at lists.bioenergylists.org>
>>> > wrote:
>>> >
>>> >> Send Stoves mailing list submissions to
>>> >> stoves at lists.bioenergylists.org
>>> >>
>>> >> To subscribe or unsubscribe via the World Wide Web, visit
>>> >>
>>> >> http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org
>>> >>
>>> >> or, via email, send a message with subject or body 'help' to
>>> >> stoves-request at lists.bioenergylists.org
>>> >>
>>> >> You can reach the person managing the list at
>>> >> stoves-owner at lists.bioenergylists.org
>>> >>
>>> >> When replying, please edit your Subject line so it is more specific
>>> >> than "Re: Contents of Stoves digest..."
>>> >>
>>> >>
>>> >> Today's Topics:
>>> >>
>>> >> 1. ***SPAM*** Maize stalks as cooking fuel in bands and bundles
>>> >> (Kevin McLean)
>>> >> 2. ***SPAM*** Re: ***SPAM*** Maize stalks as cooking fuel in
>>> >> bands and bundles (energiesnaturals at gmx.de)
>>> >>
>>> >>
>>> >> ----------------------------------------------------------------------
>>> >>
>>> >> Message: 1
>>> >> Date: Mon, 10 Oct 2022 19:50:55 +0200
>>> >> From: Kevin McLean <kevin at sun24.org>
>>> >> To: Stoves and Biofuels Network <stoves at lists.bioenergylists.org>
>>> >> Subject: [Stoves] ***SPAM*** Maize stalks as cooking fuel in bands and
>>> >> bundles
>>> >> Message-ID:
>>> >> <
>>> >> CALxcr-v5W0pxsbUd9wciv7aQ5k2CbiBg2Uo1Z2Yj4-5syEnxWA at mail.gmail.com>
>>> >> Content-Type: text/plain; charset="utf-8"
>>> >>
>>> >> We've long been trying to find a way to use maize stalks as a cooking fuel
>>> >> in Africa. They are challenging because they burn fast and smoky. We may
>>> >> have found a way.
>>> >>
>>> >> Make a bundle of stalks in a metal band and stand up the bundle so the
>>> >> stalks are upright. Then light the top. The band has a diameter of 20
>>> >> cm. The stalks burn remarkably clean for about 13 minutes, no tending.
>>> >> Then a new bundle can be swapped in to continue the cooking. Below are
>>> >> some videos.
>>> >>
>>> >> My colleague in Uganda thinks that farmers with two growing seasons can
>>> >> cook year round with maize stalks and never need to collect firewood again
>>> >> ... we'll see.
>>> >>
>>> >> As a bonus, this makes biochar.
>>> >>
>>> >> [image: Bands with maize stalks.jpeg]
>>> >>
>>> >> Videos:
>>> >> Self help group leaders being trained on stalks in bands
>>> >> <
>>> >> https://drive.google.com/file/d/10VXniCh8-JFLg6EwFcImsmYbeJAEDu6D/view?usp=sharing
>>> >> >
>>> >> Stalks in band burning
>>> >> <
>>> >> https://drive.google.com/file/d/16QvwLwqTIQrV3rDuJGX_zqXJBoXZemKu/view?usp=sharing
>>> >> >
>>> >> Swapping bands of stalks
>>> >> <
>>> >> https://drive.google.com/file/d/1ZYqahvxprdjvsRkVav66clPegWoN3Uyc/view?usp=sharing
>>> >> >
>>> >>
>>> >>
>>> >> Kevin McLean, President
>>> >> Sun24.org
>>> >> -------------- next part --------------
>>> >> An HTML attachment was scrubbed...
>>> >> URL: <
>>> >> http://lists.bioenergylists.org/pipermail/stoves_lists.bioenergylists.org/attachments/20221010/913ffbe8/attachment-0001.html
>>> >> >
>>> >> -------------- next part --------------
>>> >> A non-text attachment was scrubbed...
>>> >> Name: Bands with maize stalks.jpeg
>>> >> Type: image/jpeg
>>> >> Size: 86655 bytes
>>> >> Desc: not available
>>> >> URL: <
>>> >> http://lists.bioenergylists.org/pipermail/stoves_lists.bioenergylists.org/attachments/20221010/913ffbe8/attachment-0001.jpeg
>>> >> >
>>> >>
>>> >> ------------------------------
>>> >>
>>> >> Message: 2
>>> >> Date: Tue, 11 Oct 2022 12:07:22 +0000
>>> >> From: "energiesnaturals at gmx.de" <energiesnaturals at gmx.de>
>>> >> To: Discussion of biomass cooking stoves
>>> >> <stoves at lists.bioenergylists.org>
>>> >> Subject: [Stoves] ***SPAM*** Re: ***SPAM*** Maize stalks as cooking
>>> >> fuel in bands and bundles
>>> >> Message-ID:
>>> >> <
>>> >> PAXPR03MB7917338104A32472776AB641A9239 at PAXPR03MB7917.eurprd03.prod.outlook.com
>>> >> >
>>> >>
>>> >> Content-Type: text/plain; charset="iso-8859-1"
>>> >>
>>> >> @Kevin
>>> >>
>>> >> Imagine you rise the sleeve higher up and leave some space between it and
>>> >> the bundle.
>>> >> It should have a "secondary air effect", I guess, and burn even cleaner.
>>> >>
>>> >> Holen Sie sich Outlook f?r Android<https://aka.ms/AAb9ysg>
>>> >> ________________________________
>>> >> From: Stoves <stoves-bounces at lists.bioenergylists.org> on behalf of
>>> >> Kevin McLean <kevin at sun24.org>
>>> >> Sent: Monday, October 10, 2022 7:50:55 PM
>>> >> To: Stoves and Biofuels Network <stoves at lists.bioenergylists.org>
>>> >> Subject: [Stoves] ***SPAM*** Maize stalks as cooking fuel in bands and
>>> >> bundles
>>> >>
>>> >> We've long been trying to find a way to use maize stalks as a cooking
>>> >> fuel in Africa. They are challenging because they burn fast and smoky. We
>>> >> may have found a way.
>>> >>
>>> >> Make a bundle of stalks in a metal band and stand up the bundle so the
>>> >> stalks are upright. Then light the top. The band has a diameter of 20
>>> >> cm. The stalks burn remarkably clean for about 13 minutes, no tending.
>>> >> Then a new bundle can be swapped in to continue the cooking. Below are
>>> >> some videos.
>>> >>
>>> >> My colleague in Uganda thinks that farmers with two growing seasons can
>>> >> cook year round with maize stalks and never need to collect firewood again
>>> >> ... we'll see.
>>> >>
>>> >> As a bonus, this makes biochar.
>>> >>
>>> >> [Bands with maize stalks.jpeg]
>>> >>
>>> >> Videos:
>>> >> Self help group leaders being trained on stalks in bands<
>>> >> https://drive.google.com/file/d/10VXniCh8-JFLg6EwFcImsmYbeJAEDu6D/view?usp=sharing
>>> >> >
>>> >> Stalks in band burning<
>>> >> https://drive.google.com/file/d/16QvwLwqTIQrV3rDuJGX_zqXJBoXZemKu/view?usp=sharing
>>> >> >
>>> >> Swapping bands of stalks<
>>> >> https://drive.google.com/file/d/1ZYqahvxprdjvsRkVav66clPegWoN3Uyc/view?usp=sharing
>>> >> >
>>> >>
>>> >>
>>> >> Kevin McLean, President
>>> >> Sun24.org
>>> >>
>>> >> [
>>> >> https://ci3.googleusercontent.com/mail-sig/AIorK4zAIztZKxS3RzbnyZJ5ZD9359VFc-kCexObS_SF70Gwj0UezW9Scu7SqRnnNXaJ38t35hMmxIs]
>>> >> [
>>> >> https://ci3.googleusercontent.com/mail-sig/AIorK4z2tsZ3rgW5tI0WX2NWWXDTqudhoRxP7rN4Fg_TMvvUZ5TZ86uotlupTwH8ivq8hBLlmCLH7Ac
>>> >> ]
>>> >> -------------- next part --------------
>>> >> An HTML attachment was scrubbed...
>>> >> URL: <
>>> >> http://lists.bioenergylists.org/pipermail/stoves_lists.bioenergylists.org/attachments/20221011/75c54a51/attachment-0001.html
>>> >> >
>>> >> -------------- next part --------------
>>> >> A non-text attachment was scrubbed...
>>> >> Name: Bands with maize stalks.jpeg
>>> >> Type: image/jpeg
>>> >> Size: 86655 bytes
>>> >> Desc: Bands with maize stalks.jpeg
>>> >> URL: <
>>> >> http://lists.bioenergylists.org/pipermail/stoves_lists.bioenergylists.org/attachments/20221011/75c54a51/attachment-0001.jpeg
>>> >> >
>>> >>
>>> >> ------------------------------
>>> >>
>>> >> Subject: Digest Footer
>>> >>
>>> >> _______________________________________________
>>> >> Stoves mailing list
>>> >>
>>> >> to Send a Message to the list, use the email address
>>> >> stoves at lists.bioenergylists.org
>>> >>
>>> >> to UNSUBSCRIBE or Change your List Settings use the web page
>>> >>
>>> >> http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org
>>> >>
>>> >>
>>> >> for more Biomass Cooking Stoves, News and Information see our web site:
>>> >> http://www.bioenergylists.org/
>>> >>
>>> >>
>>> >> ------------------------------
>>> >>
>>> >> End of Stoves Digest, Vol 146, Issue 3
>>> >> **************************************
>>> >>
>>> > _______________________________________________
>>> > Stoves mailing list
>>> >
>>> > to Send a Message to the list, use the email address
>>> > stoves at lists.bioenergylists.org
>>> >
>>> > to UNSUBSCRIBE or Change your List Settings use the web page
>>> >
>>> > http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org
>>> >
>>> > for more Biomass Cooking Stoves, News and Information see our web site:
>>> > http://stoves.bioenergylists.org/
>>> >
>>> >
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>>>
>>> ------------------------------
>>>
>>> Message: 3
>>> Date: Tue, 11 Oct 2022 20:23:50 +0000
>>> From: Crispin Pemberton-Pigott <crispinpigott at outlook.com>
>>> To: Stove Discussion <stoves at lists.bioenergylists.org>
>>> Subject: Re: [Stoves] ***SPAM*** Re: ***SPAM*** Re: Stoves Digest,
>>> Vol 146, Issue 3
>>> Message-ID:
>>> <MW4P223MB0562C55B43F124475937E345B1239 at MW4P223MB0562.NAMP223.PROD.OUTLOOK.COM>
>>>
>>> Content-Type: text/plain; charset="us-ascii"
>>>
>>> Dear Kevin
>>>
>>> You test the moisture content using a small digital scale, like you get at a "head shop". It will have a capacity of about 400 or 250 grams. It reads to 0.01 g precision.
>>>
>>> Take some samples of fuel, weigh them and write the number 1, 2, 3 etc on them with a pen and record the individual masses.
>>>
>>> You can weigh them all at once if you like.
>>>
>>> Then put them into a warming drawer of an electric over of the oven itself if you can control the temperature down to 105 C.
>>>
>>> Leave them for a day (no kidding) and weight them again after they cool.
>>>
>>> Hot fuel can influence the scale's reading. Physics 101.
>>>
>>> Divide the new dry mass by the original mass and convert to %. That is the dry portion. Subtract that number from 100% and you have the moisture on a Wet Weight Basis. WWB.
>>>
>>> WWB is the most common form of describing the fuel moisture in the stove world. However if you are reading something from the USA never assume it is WWB. There is penchant for describing the moisture as a percentage of the dry mass which is of course the Dry Weight Basis.
>>>
>>> So you should always report the moisture as a % and then put WWB afterwards so anyone reading your text knows what you did.
>>>
>>> 100% - Dry mass % = % moisture content WWB
>>>
>>> Regards
>>> Crispin
>>> From: kmclean56 at gmail.com
>>> Sent: October 11, 2022 12:35 PM
>>> To: stoves at lists.bioenergylists.org
>>> Reply to: stoves at lists.bioenergylists.org
>>> Subject: [Stoves] ***SPAM*** Re: ***SPAM*** Re: Stoves Digest, Vol 146, Issue 3
>>>
>>> You never need to apologize, Norm.
>>>
>>> I'm leaning toward the bands over the cooking hole. A band with maize stalks is simpler and seems to be less smoky. But the big band advantage is the bundles can be swapped out to extend the cooking session indefinitely.
>>>
>>> It would be awesome if you could test the band and bundle method at Aprovecho. We have not yet tried to regulate air flow.
>>>
>>> Moisture content is obviously important. Please look at this video where we compare the burning of two piles of freshly cut upright maize stalks that were brown and looked dry. (You may have seen it on the biochar listserv, but it is also relevant here.) We are demonstrating the difference in smoke when a pile is lit on the side (left pile, the traditional method in Africa) and when lit on top (right pile, the way we train). The difference in smoke is stunning. However, when we compared two piles of stalks that were cut two week previous, both piles burned with little smoke. I attribute this to moisture content. Brown upright stalks must have a higher moisture content than stalks that were cut and left on the ground for two weeks.
>>>
>>> Side by Side Burn of Maize Stalks (video): https://youtu.be/5M4ntJi_JmY<https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fyoutu.be%2F5M4ntJi_JmY&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=t4tlT554CHyo%2Fx77o%2FkwbWj%2BC2TEJUkSZfvaPELxcTg%3D&reserved=0>. Some of the principles of the top down burn of large piles of maize stalks are probably involved in the burning of stalks in bands from the top.
>>>
>>> How do you test for moisture content?
>>>
>>> On Tue, Oct 11, 2022 at 7:19 PM Norman Baker <ntbakerphd at gmail.com<mailto:ntbakerphd at gmail.com>> wrote:
>>> Kevin;
>>>
>>> First, let me apologize for not getting emissions testing done for you at Aprovecho. Life seems to get in the way sometimes - especially when you're older and events crop up suddenly.
>>>
>>> The metal band with the stocks upright is probably a better way to make use of the maize stocks. From watching your videos it is clear this is functioning as a hybrid between TLUD's and flame caps. Do you make any attempt to regulate the air from below? When we go to Aprovecho I can easily make a band and we can do emissions testing on this new arrangement. I still plan to compare emissions of dried maize stocks versus maize stocks at ambient relative humidity. I think there will be a difference. I'm also planning to do this in a metal band versus the "conservation burn" style you originally worked with. Let me know what you think.
>>>
>>> Norm
>>>
>>> On Tue, Oct 11, 2022 at 10:05 AM <stoves-request at lists.bioenergylists.org<mailto:stoves-request at lists.bioenergylists.org>> wrote:
>>> Send Stoves mailing list submissions to
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>>>
>>>
>>> Today's Topics:
>>>
>>> 1. ***SPAM*** Maize stalks as cooking fuel in bands and bundles
>>> (Kevin McLean)
>>> 2. ***SPAM*** Re: ***SPAM*** Maize stalks as cooking fuel in
>>> bands and bundles (energiesnaturals at gmx.de<mailto:energiesnaturals at gmx.de>)
>>>
>>>
>>> ----------------------------------------------------------------------
>>>
>>> Message: 1
>>> Date: Mon, 10 Oct 2022 19:50:55 +0200
>>> From: Kevin McLean <kevin at sun24.org<mailto:kevin at sun24.org>>
>>> To: Stoves and Biofuels Network <stoves at lists.bioenergylists.org<mailto:stoves at lists.bioenergylists.org>>
>>> Subject: [Stoves] ***SPAM*** Maize stalks as cooking fuel in bands and
>>> bundles
>>> Message-ID:
>>> <CALxcr-v5W0pxsbUd9wciv7aQ5k2CbiBg2Uo1Z2Yj4-5syEnxWA at mail.gmail.com<mailto:CALxcr-v5W0pxsbUd9wciv7aQ5k2CbiBg2Uo1Z2Yj4-5syEnxWA at mail.gmail.com>>
>>> Content-Type: text/plain; charset="utf-8"
>>>
>>> We've long been trying to find a way to use maize stalks as a cooking fuel
>>> in Africa. They are challenging because they burn fast and smoky. We may
>>> have found a way.
>>>
>>> Make a bundle of stalks in a metal band and stand up the bundle so the
>>> stalks are upright. Then light the top. The band has a diameter of 20
>>> cm. The stalks burn remarkably clean for about 13 minutes, no tending.
>>> Then a new bundle can be swapped in to continue the cooking. Below are
>>> some videos.
>>>
>>> My colleague in Uganda thinks that farmers with two growing seasons can
>>> cook year round with maize stalks and never need to collect firewood again
>>> ... we'll see.
>>>
>>> As a bonus, this makes biochar.
>>>
>>> [image: Bands with maize stalks.jpeg]
>>>
>>> Videos:
>>> Self help group leaders being trained on stalks in bands
>>> <https://drive.google.com/file/d/10VXniCh8-JFLg6EwFcImsmYbeJAEDu6D/view?usp=sharing<https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrive.google.com%2Ffile%2Fd%2F10VXniCh8-JFLg6EwFcImsmYbeJAEDu6D%2Fview%3Fusp%3Dsharing&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=UQ6XFNjnDyCIfmbK%2BeDAx9mNvruvSjjrq7peQfGW4i0%3D&reserved=0>>
>>> Stalks in band burning
>>> <https://drive.google.com/file/d/16QvwLwqTIQrV3rDuJGX_zqXJBoXZemKu/view?usp=sharing<https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrive.google.com%2Ffile%2Fd%2F16QvwLwqTIQrV3rDuJGX_zqXJBoXZemKu%2Fview%3Fusp%3Dsharing&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=gSUOUwb3j%2FSFcAIEVU6jYkKvs4lO8XFPvqKhf8wMTpg%3D&reserved=0>>
>>> Swapping bands of stalks
>>> <https://drive.google.com/file/d/1ZYqahvxprdjvsRkVav66clPegWoN3Uyc/view?usp=sharing<https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrive.google.com%2Ffile%2Fd%2F1ZYqahvxprdjvsRkVav66clPegWoN3Uyc%2Fview%3Fusp%3Dsharing&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=ymuSt6MkQ7gQHgC26e4eJfP5sGQi698mxKiw4Qj%2Fo70%3D&reserved=0>>
>>>
>>>
>>> Kevin McLean, President
>>> Sun24.org
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>>> Desc: not available
>>> URL: <http://lists.bioenergylists.org/pipermail/stoves_lists.bioenergylists.org/attachments/20221010/913ffbe8/attachment-0001.jpeg<https://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.bioenergylists.org%2Fpipermail%2Fstoves_lists.bioenergylists.org%2Fattachments%2F20221010%2F913ffbe8%2Fattachment-0001.jpeg&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=y2EDqnP2q0mejI5XSoANwO%2B7zVA8x%2BdDwO7hEKMdvVY%3D&reserved=0>>
>>>
>>> ------------------------------
>>>
>>> Message: 2
>>> Date: Tue, 11 Oct 2022 12:07:22 +0000
>>> From: "energiesnaturals at gmx.de<mailto:energiesnaturals at gmx.de>" <energiesnaturals at gmx.de<mailto:energiesnaturals at gmx.de>>
>>> To: Discussion of biomass cooking stoves
>>> <stoves at lists.bioenergylists.org<mailto:stoves at lists.bioenergylists.org>>
>>> Subject: [Stoves] ***SPAM*** Re: ***SPAM*** Maize stalks as cooking
>>> fuel in bands and bundles
>>> Message-ID:
>>> <PAXPR03MB7917338104A32472776AB641A9239 at PAXPR03MB7917.eurprd03.prod.outlook.com<mailto:PAXPR03MB7917338104A32472776AB641A9239 at PAXPR03MB7917.eurprd03.prod.outlook.com>>
>>>
>>> Content-Type: text/plain; charset="iso-8859-1"
>>>
>>> @Kevin
>>>
>>> Imagine you rise the sleeve higher up and leave some space between it and the bundle.
>>> It should have a "secondary air effect", I guess, and burn even cleaner.
>>>
>>> Holen Sie sich Outlook f?r Android<https://aka.ms/AAb9ysg<https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Faka.ms%2FAAb9ysg&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=2xuVR3f9vTSMuI7%2FeUT8cqUQOGIWTsIrMPn9zrKu0r8%3D&reserved=0>>
>>> ________________________________
>>> From: Stoves <stoves-bounces at lists.bioenergylists.org<mailto:stoves-bounces at lists.bioenergylists.org>> on behalf of Kevin McLean <kevin at sun24.org<mailto:kevin at sun24.org>>
>>> Sent: Monday, October 10, 2022 7:50:55 PM
>>> To: Stoves and Biofuels Network <stoves at lists.bioenergylists.org<mailto:stoves at lists.bioenergylists.org>>
>>> Subject: [Stoves] ***SPAM*** Maize stalks as cooking fuel in bands and bundles
>>>
>>> We've long been trying to find a way to use maize stalks as a cooking fuel in Africa. They are challenging because they burn fast and smoky. We may have found a way.
>>>
>>> Make a bundle of stalks in a metal band and stand up the bundle so the stalks are upright. Then light the top. The band has a diameter of 20 cm. The stalks burn remarkably clean for about 13 minutes, no tending. Then a new bundle can be swapped in to continue the cooking. Below are some videos.
>>>
>>> My colleague in Uganda thinks that farmers with two growing seasons can cook year round with maize stalks and never need to collect firewood again ... we'll see.
>>>
>>> As a bonus, this makes biochar.
>>>
>>> [Bands with maize stalks.jpeg]
>>>
>>> Videos:
>>> Self help group leaders being trained on stalks in bands<https://drive.google.com/file/d/10VXniCh8-JFLg6EwFcImsmYbeJAEDu6D/view?usp=sharing<https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrive.google.com%2Ffile%2Fd%2F10VXniCh8-JFLg6EwFcImsmYbeJAEDu6D%2Fview%3Fusp%3Dsharing&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=UQ6XFNjnDyCIfmbK%2BeDAx9mNvruvSjjrq7peQfGW4i0%3D&reserved=0>>
>>> Stalks in band burning<https://drive.google.com/file/d/16QvwLwqTIQrV3rDuJGX_zqXJBoXZemKu/view?usp=sharing<https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrive.google.com%2Ffile%2Fd%2F16QvwLwqTIQrV3rDuJGX_zqXJBoXZemKu%2Fview%3Fusp%3Dsharing&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=gSUOUwb3j%2FSFcAIEVU6jYkKvs4lO8XFPvqKhf8wMTpg%3D&reserved=0>>
>>> Swapping bands of stalks<https://drive.google.com/file/d/1ZYqahvxprdjvsRkVav66clPegWoN3Uyc/view?usp=sharing<https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrive.google.com%2Ffile%2Fd%2F1ZYqahvxprdjvsRkVav66clPegWoN3Uyc%2Fview%3Fusp%3Dsharing&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143335899%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=mvrmIIl3XB6Gm7ZaJ6ZsNFhj6cmdMKJT9ZsCt1vBT78%3D&reserved=0>>
>>>
>>>
>>> Kevin McLean, President
>>> Sun24.org
>>>
>>> [https://ci3.googleusercontent.com/mail-sig/AIorK4zAIztZKxS3RzbnyZJ5ZD9359VFc-kCexObS_SF70Gwj0UezW9Scu7SqRnnNXaJ38t35hMmxIs<https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fci3.googleusercontent.com%2Fmail-sig%2FAIorK4zAIztZKxS3RzbnyZJ5ZD9359VFc-kCexObS_SF70Gwj0UezW9Scu7SqRnnNXaJ38t35hMmxIs&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143335899%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=xxAPlrrWgWqdDzLWNKpBYK4K5ppPhF4zj4CrHmOn%2FY0%3D&reserved=0>] [https://ci3.googleusercontent.com/mail-sig/AIorK4z2tsZ3rgW5tI0WX2NWWXDTqudhoRxP7rN4Fg_TMvvUZ5TZ86uotlupTwH8ivq8hBLlmCLH7Ac<https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fci3.googleusercontent.com%2Fmail-sig%2FAIorK4z2tsZ3rgW5tI0WX2NWWXDTqudhoRxP7rN4Fg_TMvvUZ5TZ86uotlupTwH8ivq8hBLlmCLH7Ac&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143335899%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=0laQid23TTFFjiijzmS60j8CzZNlQCFbjIwhAcWuIlY%3D&reserved=0>]
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>>>
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>>>
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>>>
>>>
>>> ------------------------------
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>>> End of Stoves Digest, Vol 146, Issue 3
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>>>
>>> ------------------------------
>>>
>>> Message: 4
>>> Date: Tue, 11 Oct 2022 22:39:32 +0200
>>> From: Kevin McLean <kevin at sun24.org>
>>> To: Discussion of biomass cooking stoves
>>> <stoves at lists.bioenergylists.org>
>>> Subject: [Stoves] ***SPAM*** Re: ***SPAM*** Re: ***SPAM*** Re: Stoves
>>> Digest, Vol 146, Issue 3
>>> Message-ID:
>>> <CALxcr-tJQZFseDgUKjgin11o5ZKgvuALJowDJbhQ=XEj21WRLg at mail.gmail.com>
>>> Content-Type: text/plain; charset="utf-8"
>>>
>>> Thanks, Crispin. I didn't think there was a shortcut. I have someone in
>>> Malawi doing this in a much cruder way with rice straw. It seems that the
>>> difference in moisture content between standing dry straw and dry straw
>>> that is cut and allowed to dry further for another week or two may be
>>> relevant to rice stubble burning in India and elsewhere.
>>>
>>> On Tue, Oct 11, 2022 at 10:23 PM Crispin Pemberton-Pigott <
>>> crispinpigott at outlook.com> wrote:
>>>
>>> > Dear Kevin
>>> >
>>> > You test the moisture content using a small digital scale, like you get at
>>> > a "head shop". It will have a capacity of about 400 or 250 grams. It reads
>>> > to 0.01 g precision.
>>> >
>>> > Take some samples of fuel, weigh them and write the number 1, 2, 3 etc on
>>> > them with a pen and record the individual masses.
>>> >
>>> > You can weigh them all at once if you like.
>>> >
>>> > Then put them into a warming drawer of an electric over of the oven itself
>>> > if you can control the temperature down to 105 C.
>>> >
>>> > Leave them for a day (no kidding) and weight them again *after they
>>> > cool. *
>>> >
>>> > Hot fuel can influence the scale's reading. Physics 101.
>>> >
>>> > Divide the new dry mass by the original mass and convert to %. That is the
>>> > dry portion. Subtract that number from 100% and you have the moisture on a
>>> > Wet Weight Basis. WWB.
>>> >
>>> > WWB is the most common form of describing the fuel moisture in the stove
>>> > world. However if you are reading something from the USA never assume it is
>>> > WWB. There is penchant for describing the moisture as a percentage of the
>>> > dry mass which is of course the Dry Weight Basis.
>>> >
>>> > So you should always report the moisture as a % and then put WWB
>>> > afterwards so anyone reading your text knows what you did.
>>> >
>>> > 100% - Dry mass % = % moisture content WWB
>>> >
>>> > Regards
>>> > Crispin
>>> > *From:* kmclean56 at gmail.com
>>> > *Sent:* October 11, 2022 12:35 PM
>>> > *To:* stoves at lists.bioenergylists.org
>>> > *Reply to:* stoves at lists.bioenergylists.org
>>> > *Subject:* [Stoves] ***SPAM*** Re: ***SPAM*** Re: Stoves Digest, Vol 146,
>>> > Issue 3
>>> >
>>> > You never need to apologize, Norm.
>>> >
>>> > I'm leaning toward the bands over the cooking hole. A band with maize
>>> > stalks is simpler and seems to be less smoky. But the big band advantage
>>> > is the bundles can be swapped out to extend the cooking session
>>> > indefinitely.
>>> >
>>> > It would be awesome if you could test the band and bundle method at
>>> > Aprovecho. We have not yet tried to regulate air flow.
>>> >
>>> > Moisture content is obviously important. Please look at this video where
>>> > we compare the burning of two piles of freshly cut upright maize stalks
>>> > that were brown and looked dry. (You may have seen it on the biochar
>>> > listserv, but it is also relevant here.) We are demonstrating the
>>> > difference in smoke when a pile is lit on the side (left pile, the
>>> > traditional method in Africa) and when lit on top (right pile, the way we
>>> > train). The difference in smoke is stunning. However, when we compared
>>> > two piles of stalks that were cut two week previous, both piles burned with
>>> > little smoke. I attribute this to moisture content. Brown upright stalks
>>> > must have a higher moisture content than stalks that were cut and left on
>>> > the ground for two weeks.
>>> >
>>> > Side by Side Burn of Maize Stalks (video): https://youtu.be/5M4ntJi_JmY
>>> > <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fyoutu.be%2F5M4ntJi_JmY&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=t4tlT554CHyo%2Fx77o%2FkwbWj%2BC2TEJUkSZfvaPELxcTg%3D&reserved=0>.
>>> > Some of the principles of the top down burn of large piles of maize stalks
>>> > are probably involved in the burning of stalks in bands from the top.
>>> >
>>> > How do you test for moisture content?
>>> >
>>> > On Tue, Oct 11, 2022 at 7:19 PM Norman Baker <ntbakerphd at gmail.com> wrote:
>>> >
>>> >> Kevin;
>>> >>
>>> >> First, let me apologize for not getting emissions testing done for you at
>>> >> Aprovecho. Life seems to get in the way sometimes - especially when you're
>>> >> older and events crop up suddenly.
>>> >>
>>> >> The metal band with the stocks upright is probably a better way to make
>>> >> use of the maize stocks. From watching your videos it is clear this is
>>> >> functioning as a hybrid between TLUD's and flame caps. Do you make any
>>> >> attempt to regulate the air from below? When we go to Aprovecho I can
>>> >> easily make a band and we can do emissions testing on this new arrangement.
>>> >> I still plan to compare emissions of dried maize stocks versus maize stocks
>>> >> at ambient relative humidity. I think there will be a difference. I'm also
>>> >> planning to do this in a metal band versus the "conservation burn" style
>>> >> you originally worked with. Let me know what you think.
>>> >>
>>> >> Norm
>>> >>
>>> >> On Tue, Oct 11, 2022 at 10:05 AM <stoves-request at lists.bioenergylists.org>
>>> >> wrote:
>>> >>
>>> >>> Send Stoves mailing list submissions to
>>> >>> stoves at lists.bioenergylists.org
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>>> >>> To subscribe or unsubscribe via the World Wide Web, visit
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>>> >>>
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>>> >>> When replying, please edit your Subject line so it is more specific
>>> >>> than "Re: Contents of Stoves digest..."
>>> >>>
>>> >>>
>>> >>> Today's Topics:
>>> >>>
>>> >>> 1. ***SPAM*** Maize stalks as cooking fuel in bands and bundles
>>> >>> (Kevin McLean)
>>> >>> 2. ***SPAM*** Re: ***SPAM*** Maize stalks as cooking fuel in
>>> >>> bands and bundles (energiesnaturals at gmx.de)
>>> >>>
>>> >>>
>>> >>> ----------------------------------------------------------------------
>>> >>>
>>> >>> Message: 1
>>> >>> Date: Mon, 10 Oct 2022 19:50:55 +0200
>>> >>> From: Kevin McLean <kevin at sun24.org>
>>> >>> To: Stoves and Biofuels Network <stoves at lists.bioenergylists.org>
>>> >>> Subject: [Stoves] ***SPAM*** Maize stalks as cooking fuel in bands and
>>> >>> bundles
>>> >>> Message-ID:
>>> >>> <
>>> >>> CALxcr-v5W0pxsbUd9wciv7aQ5k2CbiBg2Uo1Z2Yj4-5syEnxWA at mail.gmail.com>
>>> >>> Content-Type: text/plain; charset="utf-8"
>>> >>>
>>> >>> We've long been trying to find a way to use maize stalks as a cooking
>>> >>> fuel
>>> >>> in Africa. They are challenging because they burn fast and smoky. We
>>> >>> may
>>> >>> have found a way.
>>> >>>
>>> >>> Make a bundle of stalks in a metal band and stand up the bundle so the
>>> >>> stalks are upright. Then light the top. The band has a diameter of 20
>>> >>> cm. The stalks burn remarkably clean for about 13 minutes, no tending.
>>> >>> Then a new bundle can be swapped in to continue the cooking. Below are
>>> >>> some videos.
>>> >>>
>>> >>> My colleague in Uganda thinks that farmers with two growing seasons can
>>> >>> cook year round with maize stalks and never need to collect firewood
>>> >>> again
>>> >>> ... we'll see.
>>> >>>
>>> >>> As a bonus, this makes biochar.
>>> >>>
>>> >>> [image: Bands with maize stalks.jpeg]
>>> >>>
>>> >>> Videos:
>>> >>> Self help group leaders being trained on stalks in bands
>>> >>> <
>>> >>> https://drive.google.com/file/d/10VXniCh8-JFLg6EwFcImsmYbeJAEDu6D/view?usp=sharing
>>> >>> <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrive.google.com%2Ffile%2Fd%2F10VXniCh8-JFLg6EwFcImsmYbeJAEDu6D%2Fview%3Fusp%3Dsharing&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=UQ6XFNjnDyCIfmbK%2BeDAx9mNvruvSjjrq7peQfGW4i0%3D&reserved=0>
>>> >>> >
>>> >>> Stalks in band burning
>>> >>> <
>>> >>> https://drive.google.com/file/d/16QvwLwqTIQrV3rDuJGX_zqXJBoXZemKu/view?usp=sharing
>>> >>> <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrive.google.com%2Ffile%2Fd%2F16QvwLwqTIQrV3rDuJGX_zqXJBoXZemKu%2Fview%3Fusp%3Dsharing&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=gSUOUwb3j%2FSFcAIEVU6jYkKvs4lO8XFPvqKhf8wMTpg%3D&reserved=0>
>>> >>> >
>>> >>> Swapping bands of stalks
>>> >>> <
>>> >>> https://drive.google.com/file/d/1ZYqahvxprdjvsRkVav66clPegWoN3Uyc/view?usp=sharing
>>> >>> <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrive.google.com%2Ffile%2Fd%2F1ZYqahvxprdjvsRkVav66clPegWoN3Uyc%2Fview%3Fusp%3Dsharing&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=ymuSt6MkQ7gQHgC26e4eJfP5sGQi698mxKiw4Qj%2Fo70%3D&reserved=0>
>>> >>> >
>>> >>>
>>> >>>
>>> >>> Kevin McLean, President
>>> >>> Sun24.org
>>> >>> -------------- next part --------------
>>> >>> An HTML attachment was scrubbed...
>>> >>> URL: <
>>> >>> http://lists.bioenergylists.org/pipermail/stoves_lists.bioenergylists.org/attachments/20221010/913ffbe8/attachment-0001.html
>>> >>> <https://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.bioenergylists.org%2Fpipermail%2Fstoves_lists.bioenergylists.org%2Fattachments%2F20221010%2F913ffbe8%2Fattachment-0001.html&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=Sa41toqHUkAS%2BgQuVngK%2F8GuD3g84oYJ24EhcNBS%2Bo0%3D&reserved=0>
>>> >>> >
>>> >>> -------------- next part --------------
>>> >>> A non-text attachment was scrubbed...
>>> >>> Name: Bands with maize stalks.jpeg
>>> >>> Type: image/jpeg
>>> >>> Size: 86655 bytes
>>> >>> Desc: not available
>>> >>> URL: <
>>> >>> http://lists.bioenergylists.org/pipermail/stoves_lists.bioenergylists.org/attachments/20221010/913ffbe8/attachment-0001.jpeg
>>> >>> <https://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.bioenergylists.org%2Fpipermail%2Fstoves_lists.bioenergylists.org%2Fattachments%2F20221010%2F913ffbe8%2Fattachment-0001.jpeg&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=y2EDqnP2q0mejI5XSoANwO%2B7zVA8x%2BdDwO7hEKMdvVY%3D&reserved=0>
>>> >>> >
>>> >>>
>>> >>> ------------------------------
>>> >>>
>>> >>> Message: 2
>>> >>> Date: Tue, 11 Oct 2022 12:07:22 +0000
>>> >>> From: "energiesnaturals at gmx.de" <energiesnaturals at gmx.de>
>>> >>> To: Discussion of biomass cooking stoves
>>> >>> <stoves at lists.bioenergylists.org>
>>> >>> Subject: [Stoves] ***SPAM*** Re: ***SPAM*** Maize stalks as cooking
>>> >>> fuel in bands and bundles
>>> >>> Message-ID:
>>> >>> <
>>> >>> PAXPR03MB7917338104A32472776AB641A9239 at PAXPR03MB7917.eurprd03.prod.outlook.com
>>> >>> >
>>> >>>
>>> >>> Content-Type: text/plain; charset="iso-8859-1"
>>> >>>
>>> >>> @Kevin
>>> >>>
>>> >>> Imagine you rise the sleeve higher up and leave some space between it
>>> >>> and the bundle.
>>> >>> It should have a "secondary air effect", I guess, and burn even cleaner.
>>> >>>
>>> >>> Holen Sie sich Outlook f?r Android<https://aka.ms/AAb9ysg
>>> >>> <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Faka.ms%2FAAb9ysg&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=2xuVR3f9vTSMuI7%2FeUT8cqUQOGIWTsIrMPn9zrKu0r8%3D&reserved=0>
>>> >>> >
>>> >>> ________________________________
>>> >>> From: Stoves <stoves-bounces at lists.bioenergylists.org> on behalf of
>>> >>> Kevin McLean <kevin at sun24.org>
>>> >>> Sent: Monday, October 10, 2022 7:50:55 PM
>>> >>> To: Stoves and Biofuels Network <stoves at lists.bioenergylists.org>
>>> >>> Subject: [Stoves] ***SPAM*** Maize stalks as cooking fuel in bands and
>>> >>> bundles
>>> >>>
>>> >>> We've long been trying to find a way to use maize stalks as a cooking
>>> >>> fuel in Africa. They are challenging because they burn fast and smoky. We
>>> >>> may have found a way.
>>> >>>
>>> >>> Make a bundle of stalks in a metal band and stand up the bundle so the
>>> >>> stalks are upright. Then light the top. The band has a diameter of 20
>>> >>> cm. The stalks burn remarkably clean for about 13 minutes, no tending.
>>> >>> Then a new bundle can be swapped in to continue the cooking. Below are
>>> >>> some videos.
>>> >>>
>>> >>> My colleague in Uganda thinks that farmers with two growing seasons can
>>> >>> cook year round with maize stalks and never need to collect firewood again
>>> >>> ... we'll see.
>>> >>>
>>> >>> As a bonus, this makes biochar.
>>> >>>
>>> >>> [Bands with maize stalks.jpeg]
>>> >>>
>>> >>> Videos:
>>> >>> Self help group leaders being trained on stalks in bands<
>>> >>> https://drive.google.com/file/d/10VXniCh8-JFLg6EwFcImsmYbeJAEDu6D/view?usp=sharing
>>> >>> <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrive.google.com%2Ffile%2Fd%2F10VXniCh8-JFLg6EwFcImsmYbeJAEDu6D%2Fview%3Fusp%3Dsharing&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=UQ6XFNjnDyCIfmbK%2BeDAx9mNvruvSjjrq7peQfGW4i0%3D&reserved=0>
>>> >>> >
>>> >>> Stalks in band burning<
>>> >>> https://drive.google.com/file/d/16QvwLwqTIQrV3rDuJGX_zqXJBoXZemKu/view?usp=sharing
>>> >>> <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrive.google.com%2Ffile%2Fd%2F16QvwLwqTIQrV3rDuJGX_zqXJBoXZemKu%2Fview%3Fusp%3Dsharing&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=gSUOUwb3j%2FSFcAIEVU6jYkKvs4lO8XFPvqKhf8wMTpg%3D&reserved=0>
>>> >>> >
>>> >>> Swapping bands of stalks<
>>> >>> https://drive.google.com/file/d/1ZYqahvxprdjvsRkVav66clPegWoN3Uyc/view?usp=sharing
>>> >>> <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrive.google.com%2Ffile%2Fd%2F1ZYqahvxprdjvsRkVav66clPegWoN3Uyc%2Fview%3Fusp%3Dsharing&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143335899%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=mvrmIIl3XB6Gm7ZaJ6ZsNFhj6cmdMKJT9ZsCt1vBT78%3D&reserved=0>
>>> >>> >
>>> >>>
>>> >>>
>>> >>> Kevin McLean, President
>>> >>> Sun24.org
>>> >>>
>>> >>> [
>>> >>> https://ci3.googleusercontent.com/mail-sig/AIorK4zAIztZKxS3RzbnyZJ5ZD9359VFc-kCexObS_SF70Gwj0UezW9Scu7SqRnnNXaJ38t35hMmxIs
>>> >>> <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fci3.googleusercontent.com%2Fmail-sig%2FAIorK4zAIztZKxS3RzbnyZJ5ZD9359VFc-kCexObS_SF70Gwj0UezW9Scu7SqRnnNXaJ38t35hMmxIs&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143335899%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=xxAPlrrWgWqdDzLWNKpBYK4K5ppPhF4zj4CrHmOn%2FY0%3D&reserved=0>]
>>> >>> [
>>> >>> https://ci3.googleusercontent.com/mail-sig/AIorK4z2tsZ3rgW5tI0WX2NWWXDTqudhoRxP7rN4Fg_TMvvUZ5TZ86uotlupTwH8ivq8hBLlmCLH7Ac
>>> >>> <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fci3.googleusercontent.com%2Fmail-sig%2FAIorK4z2tsZ3rgW5tI0WX2NWWXDTqudhoRxP7rN4Fg_TMvvUZ5TZ86uotlupTwH8ivq8hBLlmCLH7Ac&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143335899%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=0laQid23TTFFjiijzmS60j8CzZNlQCFbjIwhAcWuIlY%3D&reserved=0>
>>> >>> ]
>>> >>> -------------- next part --------------
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>>> >>> >
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>>> >>> URL: <
>>> >>> http://lists.bioenergylists.org/pipermail/stoves_lists.bioenergylists.org/attachments/20221011/75c54a51/attachment-0001.jpeg
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>>> >>> >
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>>> >>> ------------------------------
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>>> >>> Subject: Digest Footer
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>>> >>>
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>>> >>>
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>>> >>> ------------------------------
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>>> >>> End of Stoves Digest, Vol 146, Issue 3
>>> >>> **************************************
>>> >>>
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>>> ------------------------------
>>>
>>> Message: 5
>>> Date: Tue, 11 Oct 2022 22:54:46 +0200
>>> From: Kevin McLean <kevin at sun24.org>
>>> To: Discussion of biomass cooking stoves
>>> <stoves at lists.bioenergylists.org>
>>> Subject: [Stoves] ***SPAM*** Re: ***SPAM*** Re: ***SPAM*** Re:
>>> ***SPAM*** Re: Stoves Digest, Vol 146, Issue 3
>>> Message-ID:
>>> <CALxcr-urfC=NU_v=KOqK2yJBmWnJ8QVDcgXfvOSj4Xcj-qj9uQ at mail.gmail.com>
>>> Content-Type: text/plain; charset="utf-8"
>>>
>>> I should have added that rice straw burns the same as maize stalks. When
>>> fresh cut but looking very dry, a pile of straw lit on the side will smoke
>>> profusely and a pile lit on top barely smokes. But when the straw dried
>>> for a few weeks after being cut, both piles burn with little smoke. All
>>> piles smoke quite a bit when the flame goes out, which is when I'd like to
>>> see the embers smothered to make biochar.
>>>
>>> On Tue, Oct 11, 2022 at 10:39 PM Kevin McLean <kevin at sun24.org> wrote:
>>>
>>> > Thanks, Crispin. I didn't think there was a shortcut. I have someone in
>>> > Malawi doing this in a much cruder way with rice straw. It seems that the
>>> > difference in moisture content between standing dry straw and dry straw
>>> > that is cut and allowed to dry further for another week or two may be
>>> > relevant to rice stubble burning in India and elsewhere.
>>> >
>>> > On Tue, Oct 11, 2022 at 10:23 PM Crispin Pemberton-Pigott <
>>> > crispinpigott at outlook.com> wrote:
>>> >
>>> >> Dear Kevin
>>> >>
>>> >> You test the moisture content using a small digital scale, like you get
>>> >> at a "head shop". It will have a capacity of about 400 or 250 grams. It
>>> >> reads to 0.01 g precision.
>>> >>
>>> >> Take some samples of fuel, weigh them and write the number 1, 2, 3 etc on
>>> >> them with a pen and record the individual masses.
>>> >>
>>> >> You can weigh them all at once if you like.
>>> >>
>>> >> Then put them into a warming drawer of an electric over of the oven
>>> >> itself if you can control the temperature down to 105 C.
>>> >>
>>> >> Leave them for a day (no kidding) and weight them again *after they
>>> >> cool. *
>>> >>
>>> >> Hot fuel can influence the scale's reading. Physics 101.
>>> >>
>>> >> Divide the new dry mass by the original mass and convert to %. That is
>>> >> the dry portion. Subtract that number from 100% and you have the moisture
>>> >> on a Wet Weight Basis. WWB.
>>> >>
>>> >> WWB is the most common form of describing the fuel moisture in the stove
>>> >> world. However if you are reading something from the USA never assume it is
>>> >> WWB. There is penchant for describing the moisture as a percentage of the
>>> >> dry mass which is of course the Dry Weight Basis.
>>> >>
>>> >> So you should always report the moisture as a % and then put WWB
>>> >> afterwards so anyone reading your text knows what you did.
>>> >>
>>> >> 100% - Dry mass % = % moisture content WWB
>>> >>
>>> >> Regards
>>> >> Crispin
>>> >> *From:* kmclean56 at gmail.com
>>> >> *Sent:* October 11, 2022 12:35 PM
>>> >> *To:* stoves at lists.bioenergylists.org
>>> >> *Reply to:* stoves at lists.bioenergylists.org
>>> >> *Subject:* [Stoves] ***SPAM*** Re: ***SPAM*** Re: Stoves Digest, Vol
>>> >> 146, Issue 3
>>> >>
>>> >> You never need to apologize, Norm.
>>> >>
>>> >> I'm leaning toward the bands over the cooking hole. A band with maize
>>> >> stalks is simpler and seems to be less smoky. But the big band advantage
>>> >> is the bundles can be swapped out to extend the cooking session
>>> >> indefinitely.
>>> >>
>>> >> It would be awesome if you could test the band and bundle method at
>>> >> Aprovecho. We have not yet tried to regulate air flow.
>>> >>
>>> >> Moisture content is obviously important. Please look at this video where
>>> >> we compare the burning of two piles of freshly cut upright maize stalks
>>> >> that were brown and looked dry. (You may have seen it on the biochar
>>> >> listserv, but it is also relevant here.) We are demonstrating the
>>> >> difference in smoke when a pile is lit on the side (left pile, the
>>> >> traditional method in Africa) and when lit on top (right pile, the way we
>>> >> train). The difference in smoke is stunning. However, when we compared
>>> >> two piles of stalks that were cut two week previous, both piles burned with
>>> >> little smoke. I attribute this to moisture content. Brown upright stalks
>>> >> must have a higher moisture content than stalks that were cut and left on
>>> >> the ground for two weeks.
>>> >>
>>> >> Side by Side Burn of Maize Stalks (video): https://youtu.be/5M4ntJi_JmY
>>> >> <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fyoutu.be%2F5M4ntJi_JmY&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=t4tlT554CHyo%2Fx77o%2FkwbWj%2BC2TEJUkSZfvaPELxcTg%3D&reserved=0>.
>>> >> Some of the principles of the top down burn of large piles of maize stalks
>>> >> are probably involved in the burning of stalks in bands from the top.
>>> >>
>>> >> How do you test for moisture content?
>>> >>
>>> >> On Tue, Oct 11, 2022 at 7:19 PM Norman Baker <ntbakerphd at gmail.com>
>>> >> wrote:
>>> >>
>>> >>> Kevin;
>>> >>>
>>> >>> First, let me apologize for not getting emissions testing done for you
>>> >>> at Aprovecho. Life seems to get in the way sometimes - especially when
>>> >>> you're older and events crop up suddenly.
>>> >>>
>>> >>> The metal band with the stocks upright is probably a better way to make
>>> >>> use of the maize stocks. From watching your videos it is clear this is
>>> >>> functioning as a hybrid between TLUD's and flame caps. Do you make any
>>> >>> attempt to regulate the air from below? When we go to Aprovecho I can
>>> >>> easily make a band and we can do emissions testing on this new arrangement.
>>> >>> I still plan to compare emissions of dried maize stocks versus maize stocks
>>> >>> at ambient relative humidity. I think there will be a difference. I'm also
>>> >>> planning to do this in a metal band versus the "conservation burn" style
>>> >>> you originally worked with. Let me know what you think.
>>> >>>
>>> >>> Norm
>>> >>>
>>> >>> On Tue, Oct 11, 2022 at 10:05 AM <
>>> >>> stoves-request at lists.bioenergylists.org> wrote:
>>> >>>
>>> >>>> Send Stoves mailing list submissions to
>>> >>>> stoves at lists.bioenergylists.org
>>> >>>>
>>> >>>> To subscribe or unsubscribe via the World Wide Web, visit
>>> >>>>
>>> >>>> http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org
>>> >>>> <https://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.bioenergylists.org%2Fmailman%2Flistinfo%2Fstoves_lists.bioenergylists.org&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=A1p5NQtKj2wpfSLXXGJsj31%2FKHmC4p7U7%2Fkq1mwdCug%3D&reserved=0>
>>> >>>>
>>> >>>> or, via email, send a message with subject or body 'help' to
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>>> >>>>
>>> >>>> When replying, please edit your Subject line so it is more specific
>>> >>>> than "Re: Contents of Stoves digest..."
>>> >>>>
>>> >>>>
>>> >>>> Today's Topics:
>>> >>>>
>>> >>>> 1. ***SPAM*** Maize stalks as cooking fuel in bands and bundles
>>> >>>> (Kevin McLean)
>>> >>>> 2. ***SPAM*** Re: ***SPAM*** Maize stalks as cooking fuel in
>>> >>>> bands and bundles (energiesnaturals at gmx.de)
>>> >>>>
>>> >>>>
>>> >>>> ----------------------------------------------------------------------
>>> >>>>
>>> >>>> Message: 1
>>> >>>> Date: Mon, 10 Oct 2022 19:50:55 +0200
>>> >>>> From: Kevin McLean <kevin at sun24.org>
>>> >>>> To: Stoves and Biofuels Network <stoves at lists.bioenergylists.org>
>>> >>>> Subject: [Stoves] ***SPAM*** Maize stalks as cooking fuel in bands and
>>> >>>> bundles
>>> >>>> Message-ID:
>>> >>>> <
>>> >>>> CALxcr-v5W0pxsbUd9wciv7aQ5k2CbiBg2Uo1Z2Yj4-5syEnxWA at mail.gmail.com>
>>> >>>> Content-Type: text/plain; charset="utf-8"
>>> >>>>
>>> >>>> We've long been trying to find a way to use maize stalks as a cooking
>>> >>>> fuel
>>> >>>> in Africa. They are challenging because they burn fast and smoky. We
>>> >>>> may
>>> >>>> have found a way.
>>> >>>>
>>> >>>> Make a bundle of stalks in a metal band and stand up the bundle so the
>>> >>>> stalks are upright. Then light the top. The band has a diameter of 20
>>> >>>> cm. The stalks burn remarkably clean for about 13 minutes, no tending.
>>> >>>> Then a new bundle can be swapped in to continue the cooking. Below are
>>> >>>> some videos.
>>> >>>>
>>> >>>> My colleague in Uganda thinks that farmers with two growing seasons can
>>> >>>> cook year round with maize stalks and never need to collect firewood
>>> >>>> again
>>> >>>> ... we'll see.
>>> >>>>
>>> >>>> As a bonus, this makes biochar.
>>> >>>>
>>> >>>> [image: Bands with maize stalks.jpeg]
>>> >>>>
>>> >>>> Videos:
>>> >>>> Self help group leaders being trained on stalks in bands
>>> >>>> <
>>> >>>> https://drive.google.com/file/d/10VXniCh8-JFLg6EwFcImsmYbeJAEDu6D/view?usp=sharing
>>> >>>> <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrive.google.com%2Ffile%2Fd%2F10VXniCh8-JFLg6EwFcImsmYbeJAEDu6D%2Fview%3Fusp%3Dsharing&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=UQ6XFNjnDyCIfmbK%2BeDAx9mNvruvSjjrq7peQfGW4i0%3D&reserved=0>
>>> >>>> >
>>> >>>> Stalks in band burning
>>> >>>> <
>>> >>>> https://drive.google.com/file/d/16QvwLwqTIQrV3rDuJGX_zqXJBoXZemKu/view?usp=sharing
>>> >>>> <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrive.google.com%2Ffile%2Fd%2F16QvwLwqTIQrV3rDuJGX_zqXJBoXZemKu%2Fview%3Fusp%3Dsharing&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=gSUOUwb3j%2FSFcAIEVU6jYkKvs4lO8XFPvqKhf8wMTpg%3D&reserved=0>
>>> >>>> >
>>> >>>> Swapping bands of stalks
>>> >>>> <
>>> >>>> https://drive.google.com/file/d/1ZYqahvxprdjvsRkVav66clPegWoN3Uyc/view?usp=sharing
>>> >>>> <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrive.google.com%2Ffile%2Fd%2F1ZYqahvxprdjvsRkVav66clPegWoN3Uyc%2Fview%3Fusp%3Dsharing&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=ymuSt6MkQ7gQHgC26e4eJfP5sGQi698mxKiw4Qj%2Fo70%3D&reserved=0>
>>> >>>> >
>>> >>>>
>>> >>>>
>>> >>>> Kevin McLean, President
>>> >>>> Sun24.org
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>>> >>>> http://lists.bioenergylists.org/pipermail/stoves_lists.bioenergylists.org/attachments/20221010/913ffbe8/attachment-0001.html
>>> >>>> <https://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.bioenergylists.org%2Fpipermail%2Fstoves_lists.bioenergylists.org%2Fattachments%2F20221010%2F913ffbe8%2Fattachment-0001.html&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=Sa41toqHUkAS%2BgQuVngK%2F8GuD3g84oYJ24EhcNBS%2Bo0%3D&reserved=0>
>>> >>>> >
>>> >>>> -------------- next part --------------
>>> >>>> A non-text attachment was scrubbed...
>>> >>>> Name: Bands with maize stalks.jpeg
>>> >>>> Type: image/jpeg
>>> >>>> Size: 86655 bytes
>>> >>>> Desc: not available
>>> >>>> URL: <
>>> >>>> http://lists.bioenergylists.org/pipermail/stoves_lists.bioenergylists.org/attachments/20221010/913ffbe8/attachment-0001.jpeg
>>> >>>> <https://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.bioenergylists.org%2Fpipermail%2Fstoves_lists.bioenergylists.org%2Fattachments%2F20221010%2F913ffbe8%2Fattachment-0001.jpeg&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=y2EDqnP2q0mejI5XSoANwO%2B7zVA8x%2BdDwO7hEKMdvVY%3D&reserved=0>
>>> >>>> >
>>> >>>>
>>> >>>> ------------------------------
>>> >>>>
>>> >>>> Message: 2
>>> >>>> Date: Tue, 11 Oct 2022 12:07:22 +0000
>>> >>>> From: "energiesnaturals at gmx.de" <energiesnaturals at gmx.de>
>>> >>>> To: Discussion of biomass cooking stoves
>>> >>>> <stoves at lists.bioenergylists.org>
>>> >>>> Subject: [Stoves] ***SPAM*** Re: ***SPAM*** Maize stalks as cooking
>>> >>>> fuel in bands and bundles
>>> >>>> Message-ID:
>>> >>>> <
>>> >>>> PAXPR03MB7917338104A32472776AB641A9239 at PAXPR03MB7917.eurprd03.prod.outlook.com
>>> >>>> >
>>> >>>>
>>> >>>> Content-Type: text/plain; charset="iso-8859-1"
>>> >>>>
>>> >>>> @Kevin
>>> >>>>
>>> >>>> Imagine you rise the sleeve higher up and leave some space between it
>>> >>>> and the bundle.
>>> >>>> It should have a "secondary air effect", I guess, and burn even cleaner.
>>> >>>>
>>> >>>> Holen Sie sich Outlook f?r Android<https://aka.ms/AAb9ysg
>>> >>>> <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Faka.ms%2FAAb9ysg&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=2xuVR3f9vTSMuI7%2FeUT8cqUQOGIWTsIrMPn9zrKu0r8%3D&reserved=0>
>>> >>>> >
>>> >>>> ________________________________
>>> >>>> From: Stoves <stoves-bounces at lists.bioenergylists.org> on behalf of
>>> >>>> Kevin McLean <kevin at sun24.org>
>>> >>>> Sent: Monday, October 10, 2022 7:50:55 PM
>>> >>>> To: Stoves and Biofuels Network <stoves at lists.bioenergylists.org>
>>> >>>> Subject: [Stoves] ***SPAM*** Maize stalks as cooking fuel in bands and
>>> >>>> bundles
>>> >>>>
>>> >>>> We've long been trying to find a way to use maize stalks as a cooking
>>> >>>> fuel in Africa. They are challenging because they burn fast and smoky. We
>>> >>>> may have found a way.
>>> >>>>
>>> >>>> Make a bundle of stalks in a metal band and stand up the bundle so the
>>> >>>> stalks are upright. Then light the top. The band has a diameter of 20
>>> >>>> cm. The stalks burn remarkably clean for about 13 minutes, no tending.
>>> >>>> Then a new bundle can be swapped in to continue the cooking. Below are
>>> >>>> some videos.
>>> >>>>
>>> >>>> My colleague in Uganda thinks that farmers with two growing seasons can
>>> >>>> cook year round with maize stalks and never need to collect firewood again
>>> >>>> ... we'll see.
>>> >>>>
>>> >>>> As a bonus, this makes biochar.
>>> >>>>
>>> >>>> [Bands with maize stalks.jpeg]
>>> >>>>
>>> >>>> Videos:
>>> >>>> Self help group leaders being trained on stalks in bands<
>>> >>>> https://drive.google.com/file/d/10VXniCh8-JFLg6EwFcImsmYbeJAEDu6D/view?usp=sharing
>>> >>>> <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrive.google.com%2Ffile%2Fd%2F10VXniCh8-JFLg6EwFcImsmYbeJAEDu6D%2Fview%3Fusp%3Dsharing&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=UQ6XFNjnDyCIfmbK%2BeDAx9mNvruvSjjrq7peQfGW4i0%3D&reserved=0>
>>> >>>> >
>>> >>>> Stalks in band burning<
>>> >>>> https://drive.google.com/file/d/16QvwLwqTIQrV3rDuJGX_zqXJBoXZemKu/view?usp=sharing
>>> >>>> <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrive.google.com%2Ffile%2Fd%2F16QvwLwqTIQrV3rDuJGX_zqXJBoXZemKu%2Fview%3Fusp%3Dsharing&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143179687%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=gSUOUwb3j%2FSFcAIEVU6jYkKvs4lO8XFPvqKhf8wMTpg%3D&reserved=0>
>>> >>>> >
>>> >>>> Swapping bands of stalks<
>>> >>>> https://drive.google.com/file/d/1ZYqahvxprdjvsRkVav66clPegWoN3Uyc/view?usp=sharing
>>> >>>> <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrive.google.com%2Ffile%2Fd%2F1ZYqahvxprdjvsRkVav66clPegWoN3Uyc%2Fview%3Fusp%3Dsharing&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143335899%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=mvrmIIl3XB6Gm7ZaJ6ZsNFhj6cmdMKJT9ZsCt1vBT78%3D&reserved=0>
>>> >>>> >
>>> >>>>
>>> >>>>
>>> >>>> Kevin McLean, President
>>> >>>> Sun24.org
>>> >>>>
>>> >>>> [
>>> >>>> https://ci3.googleusercontent.com/mail-sig/AIorK4zAIztZKxS3RzbnyZJ5ZD9359VFc-kCexObS_SF70Gwj0UezW9Scu7SqRnnNXaJ38t35hMmxIs
>>> >>>> <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fci3.googleusercontent.com%2Fmail-sig%2FAIorK4zAIztZKxS3RzbnyZJ5ZD9359VFc-kCexObS_SF70Gwj0UezW9Scu7SqRnnNXaJ38t35hMmxIs&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143335899%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=xxAPlrrWgWqdDzLWNKpBYK4K5ppPhF4zj4CrHmOn%2FY0%3D&reserved=0>]
>>> >>>> [
>>> >>>> https://ci3.googleusercontent.com/mail-sig/AIorK4z2tsZ3rgW5tI0WX2NWWXDTqudhoRxP7rN4Fg_TMvvUZ5TZ86uotlupTwH8ivq8hBLlmCLH7Ac
>>> >>>> <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fci3.googleusercontent.com%2Fmail-sig%2FAIorK4z2tsZ3rgW5tI0WX2NWWXDTqudhoRxP7rN4Fg_TMvvUZ5TZ86uotlupTwH8ivq8hBLlmCLH7Ac&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143335899%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=0laQid23TTFFjiijzmS60j8CzZNlQCFbjIwhAcWuIlY%3D&reserved=0>
>>> >>>> ]
>>> >>>> -------------- next part --------------
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>>> >>>> http://lists.bioenergylists.org/pipermail/stoves_lists.bioenergylists.org/attachments/20221011/75c54a51/attachment-0001.html
>>> >>>> <https://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.bioenergylists.org%2Fpipermail%2Fstoves_lists.bioenergylists.org%2Fattachments%2F20221011%2F75c54a51%2Fattachment-0001.html&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143335899%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=M3M974jPinAwH7uXpPjmHT7onYS47cXLQrjTFpki9%2Bs%3D&reserved=0>
>>> >>>> >
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>>> >>>> Name: Bands with maize stalks.jpeg
>>> >>>> Type: image/jpeg
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>>> >>>> Desc: Bands with maize stalks.jpeg
>>> >>>> URL: <
>>> >>>> http://lists.bioenergylists.org/pipermail/stoves_lists.bioenergylists.org/attachments/20221011/75c54a51/attachment-0001.jpeg
>>> >>>> <https://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.bioenergylists.org%2Fpipermail%2Fstoves_lists.bioenergylists.org%2Fattachments%2F20221011%2F75c54a51%2Fattachment-0001.jpeg&data=05%7C01%7C%7C8d167d1d3d994cd3dc1308daabb75329%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638011101143335899%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=QiaT7vNBG75tR3Ocz%2Be2CkKDDCcPUtwHht8HdysebQw%3D&reserved=0>
>>> >>>> >
>>> >>>>
>>> >>>> ------------------------------
>>> >>>>
>>> >>>> Subject: Digest Footer
>>> >>>>
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>>> >>>>
>>> >>>>
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>>> >>>>
>>> >>>>
>>> >>>> ------------------------------
>>> >>>>
>>> >>>> End of Stoves Digest, Vol 146, Issue 3
>>> >>>> **************************************
>>> >>>>
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>>> >>>
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>>> ------------------------------
>>>
>>> Message: 6
>>> Date: Wed, 12 Oct 2022 00:46:41 +0000
>>> From: Crispin Pemberton-Pigott <crispinpigott at outlook.com>
>>> To: Stove Discussion <stoves at lists.bioenergylists.org>
>>> Subject: Re: [Stoves] ***SPAM*** Re: ***SPAM*** Re: ***SPAM*** Re:
>>> Stoves Digest, Vol 146, Issue 3
>>> Message-ID:
>>> <MW4P223MB056203F859316A1874E6EC35B1229 at MW4P223MB0562.NAMP223.PROD.OUTLOOK.COM>
>>>
>>> Content-Type: text/plain; charset="utf-8"
>>>
>>>
>>> Kevin the rice straw story is useful, but to talk about it intelligently, or meaningfully if you prefer, it really helps to know what the moisture of the straw was in both cases.
>>>
>>> There is a general rule which that biomass burns best (most cleanly and completely) when it is NOT completely dry, unless you have a special combustor.
>>>
>>> For open fires the emissions are lowest when the moisture is in the range of 12-15%. Of course you can tune a stove to a particular and low level of moisture, as Aprovecho has shown by tuning their role stove performance to very dry sawn rectangular sticks. But normal fuel behaves differently.
>>>
>>> Air dried straw may give a much better cooking experience than either fresh or totally dry straw. You can try and advise. if you can establish the moisture content of batches before others are burned, you can compare the performance of fresh, air dried, seasoned, wrapped in tight or tighter bundles....and so on.
>>>
>>> Have you tried burning a vertical bundle placed in a half-round cylinder? It would give it somewhat the affect of a sheltered fire, and still be able to replace the fuel from time to time.
>>>
>>> You could place a second half cylinder temporarily to make an almost-enclosure if there were a handle on it.
>>>
>>> Stay well
>>> Crispin
>>> From: kevin at sun24.org
>>> Sent: October 11, 2022 2:44 PM
>>> To: stoves at lists.bioenergylists.org
>>> Reply to: stoves at lists.bioenergylists.org
>>> Subject: [Stoves] ***SPAM*** Re: ***SPAM*** Re: ***SPAM*** Re: Stoves Digest, Vol 146, Issue 3
>>>
>>> Thanks, Crispin. I didn't think there was a shortcut. I have someone in Malawi doing this in a much cruder way with rice straw. It seems that the difference in moisture content between standing dry straw and dry straw that is cut and allowed to dry further for another week or two may be relevant to rice stubble burning in India and elsewhere.
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>>>
>>> Subject: Digest Footer
>>>
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>>>
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>>>
>>>
>>> ------------------------------
>>>
>>> End of Stoves Digest, Vol 146, Issue 4
>>> **************************************
>>
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