[Stoves] MUST CHARCOAL BE A CAUSE FOR CONCERN?

[Anand Karve]

  Dear Otto,
>
from the point of view of chopping wood into small pieces, we found bamboo
to be an ideal type of wood. It is very easy to split bamboo vertically into
strips of 2 to 3 cm width, and once the bamboo has been split, one can break
the strips into pieces about 10 to 15 cm long, even with bare hands.
Yours
A.D.Karve

>  ----- Original Message -----
> *From:* Otto Formo <formo-o at online.no>
> *To:* Kevin <kchisholm at ca.inter.net> ; Otto Formo <formo-o at online.no> ; Discussion
> of biomass cooking stoves <stoves at lists.bioenergylists.org>
> *Sent:* Thursday, October 14, 2010 7:01 AM
> *Subject:* SV: [Stoves] MUST CHARCOAL BE A CAUSE FOR CONCERN?
>
> Any type of fuel need some kind of refinement or preparation, dont forgt
> that.
> This goes for charcoal and fuel for the TLUD`s as well.
> I would not say that cutting branches with a machete is "highly" prepared
> fuel.
>
>
> # Certainly, it is a very simple task to chop smaller wood with a machette.
> A simple "fuel chopper" can do this very easily also. However, the labor for
> chopping is excessive, and creates much extra work for the Cook or her/his
> helpers. With a "Whole Body Machine", (eg, a treadmill or a "Walking Pump")
> an adult in good shape can deliver a maximum of about 1/5 of a Horsepower on
> a sustained basis. (5 people equals a 1 HP engine) On the other hand, a
> machette, operated by one arm, can perhaps deliver .01 to .05 HP (20 to 100
> people on machettes equals a 1 HP engine) Things become very different when
> waste products, such as fruit pits, screened mill waste, etc are available.
> The labor content is greatly reduced, and the only other step required is
> adequate drying. The TLUD can thus be a superb tool for efficiently burning
> such a fuel, that would otherwise be difficult to burn effectively. Rocket
> style stoves need "stickwood", that can be burned directly with minimum
> processing. Both stove systems are very good for "the right fuel", but are
> very bad when fed the wrong fuel.
>
>
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