[Stoves] Alternative to charcoal
Paul Anderson
psanders at ilstu.edu
Wed Apr 10 09:20:44 CDT 2013
Dear Crispin and all,
We await the more complete document from Crispin about his "Anglo Supra
Nova" charcoal stove with claims of TLUD performance. I saw it in
Cambodia (but not in operation). I think it has great potential.
(But the name is a bit long, and Anglo is not a selling point in many
cultures.)
Paul
Paul S. Anderson, PhD aka "Dr TLUD"
Email: psanders at ilstu.edu Skype: paultlud Phone: +1-309-452-7072
Website: www.drtlud.com
On 4/9/2013 12:18 AM, Crispin Pemberton-Pigott wrote:
>
> Dear Alex
>
> Cecil certainly does because lifespan is core to his arguments about
> improving the experience of the owner. If a Keren stove lasts about 3
> months in Yogyakarta, 2 weeks in commercial use, then a stove that
> lasts 3 years can justifiably be quite a bit more expensive.
>
> Whether burning the char lowers the lifetime or not is dependent on
> the materials and the temperatures. I think there is an assumption in
> the tincanium stove producers that burning char is bad because their
> stoves can't handle it. Other people make stoves that only burn
> charcoal so if they are adapted to burn wood as well -- no problem.
> The technology is not limited to what people happened to use to build one.
>
> Here is an Anglo Supra Nova (nominally a charcoal stove) burning 6mm
> wood pellets TLUD style.
>
> Here you can see individual preheated secondary air jets entering the
> wood gas.
>
> Here you can see the charred pellets being burned after pyrolysis is
> complete. This is accomplished by opening the primary air door which
> changes the air/fuel ratio on the primary side.
>
> This unit is slightly cheaper than the Anglo Supra (a sort of Thai
> Bucket which was itself introduced 30 years ago by Robert van der Plas
> and 'Tig' Tuntivate, so it is rumoured). It has a working life of
> about 3 years burning charcoal. Cost is $5.50 retail, much less at the
> producer.
>
> Regards
>
> Crispin
>
> Crispin,
> Do you think it is useful to place a value on the reduced life span of
> a $5 TLUD when burning char compared to the same TLUD not burning the
> char?
> Alex
>
>
>
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