[Stoves] Changing rate of pyrolysis front in TLUDs

[Crispin Pemberton-Pigott]

Dear Paul

It is good that some theory is congruent with observation.  Joerg at PERACOD 
said when we told him that the computer model of the STOws Cooker predicted 
the outside temperature of the protoype stove to within 1 degree said it was 
the first time he had ever heard of a model being even simmilar to the 
actual product.

So there are some theoretical reasons justifying the claim that a TLUD might 
well have a very linear burn rate even as the fuel is consumed in a 
relatively tall container.  This should also convince you to try building 
taller stoves with higher internal chimneys and deeper fuel loads.  Perhaps 
you can get to a 75 minute 'cook' on a single load (a time I feel essential 
to achieve for it to become popular).

Regards
Crispin