[Stoves] New type of sawdust stove in Gambia (Rok Oblak)

[Richard Stanley]

Rok,
They looked like this (right Kobus?) 
these were from your experiments with coal slag and grass straw in 2004.
samples inverted below...
 

On Aug 10, 2011, at 1:50 PM, Rok Oblak wrote:

> Hi Kobus, I don't think i fully understand this - so the holes go through the briquette or the combustion chamber? I was more interested to use a help of wood than just preheated air. I've tried to drill air-holes from the side of the stove before and it probably helped a bit, but not significantly. You have any experiences on this?
> 
> On Wed, Aug 10, 2011 at 1:41 PM, <vuthisa at yahoo.com> wrote:
> Rok
> If you made notches in the bottom of each stacked briquette (part of the combustion chamber) this might draw in pre-heated secondary air. But modify the press kit to make the necessary indentations.
>  Kobus
> 
> >Hi Crispin, very interesting application for briquettes as well
> 
> I was using a similar technique, where the sticks were inserted from
> underneath of the horizontally laid briquettes with the vertical hole in the
> middle (same thing as a sawdust stove). It kept the flames going all the
> time.
> 
> Sent from my BlackBerry® wireless device
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> -- 
> Rok Oblak, MAA Design
> 
> +1 604 710 1615
> rok.stoves at gmail.com
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> 
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