[Stoves] Three (?) Stoves from Rockworks

[M. Nurhuda]

I have seen the video of the stove from Rocketwork.

Interesting, though its duration is only 8 seconds.

Thank

> ________________________________
> From: Adrian <admin at rocketworks.org>
> To: "rongretlarson at comcast.net" <rongretlarson at comcast.net>
> Cc: "alternativeworks at gmail.com" <alternativeworks at gmail.com>; Discussion
> of biomass cooking stoves <stoves at lists.bioenergylists.org>
> Sent: Friday, March 15, 2013 2:40 AM
> Subject: Re: [Stoves] Three (?) Stoves from Rockworks
>
>
> Richard did post a full reply to this enquiry, just not sure that it got
> posted on to the people in question? Kind regards Adrian
>
> Sent from my iPhone
>
> On 20 Feb 2013, at 2:43 AM, rongretlarson at comcast.net wrote:
>
>
> Crispin and list   (maybe) adding Richard Pocock)
>>
>>A nice site for this stove is www.rocketworks.org/Â Â  (same as Crispin
>> gave last year and below)
>>
>>Few questions below
>>
>>>________________________________
>>From: "Crispin Pemberton-Pigott" <crispinpigott at gmail.com>
>>To: "Stoves" <stoves at lists.bioenergylists.org>
>>Sent: Tuesday, February 19, 2013 3:47:12 PM
>>Subject: Re: [Stoves] Three (?) Stoves from Rockworks
>>
>>
>>Dear Friends
>>Â 
>>An update on at least one version of the stove referred to below. This
>> stove is from a company called Rocket Works though from a technical
>> perspective it is not a classic Rocket stove by several measures. You can
>> draw your own opinion of course.
>>    [RWL:  I'd like to hear your set of differences.   I wonder
>> where this fits in the range described by Nordica at last ETHOS meeting
>> in terms of dimension ratios.]
>>
>>Â 
>>The picture attached was passed around in the public domain so it is OK
>> to talk about it. It is interesting from a couple of perspectives. One is
>> that it produces very little charcoal, meaning it burns the whole fuel.
>> This is different from most Rocket stoves and in ones that have a similar
>> layout but have a grate. Rocket stoves tend to produce charcoal which
>> sits on the bottom of the stove under fuel.  I would say this produces
>> about ¼ as much and maintains a high combustion efficiency.
>>Â Â  [RWL:Â  This is first time I have heard this about charcoal and
>> Rockets.  Can some users describe the maximum amount they have ever
>> retrieved?]
>>
>>Â 
>>The PM emitted on high power (using ≈12% moisture fuel) is similar to
>> that of high end fan stoves like the Oorja burning pellets and the Philip
>> Stove burning chopped wood, territory thought by some to be reserved for
>> stoves with blowers. I am not saying such performance from a side-feeder
>> was unexpected, but it is unexpected that it would be so soon. Clearly
>> they have been playing around with it a lot.  The high power PM level
>> would place it at the upper end of Tier 3, right at the edge of Tier 4.
>>Â Â  [RWL:Â  How can I find the full set of data you are reporting here?
>>
>>
>>It has some measure of preheating of the primary air and definitely
>> preheated secondary air with a side-feed of stick fuel. From the look of
>> the structure it will not be hot to the touch (most of it) and the cost
>> (and mass) is obviously low. Two of its technical advances are evident in
>> the photos on their website.
>>Â Â  [RWL:Â  This is the first time I have heard of a rocket having
>> separate primary and secondary air supplies.  Can you or Richard
>> describe these features some more.  Agreed on the nice feature of the
>> wire mesh.  Cost?
>>
>>Â 
>>One of the principles is the South African Richard Pocock who we know
>> from solar cooker days. That name may ring a bell with a few of you.
>> Perhaps he will provide some technical and performance details.
>>Â Â  [RWL:Â  I also hope so.]
>>
>>Â 
>>Regards
>>Crispin
>>Â 
>>Â 
>>Â 
>>Date:Â Tue, 11 Dec 2012 22:06:43 +0800
>>Subject:Â [Stoves] Three (?) Stoves from Rockworks
>>Dear Friends of Rocketry
>>There are some all-metal Rocket stoves
>> at http://www.rocketworks.org/ featuring a new wrinkle on the under-air
>> pathway.  They are made in South Africa. They have a gel fuel insert
>> that makes it a dual fuel stove.
>>Â Performance of both not yet known.
>>Â Regards
>>Crispin
>>Â 
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>>
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