[Stoves] Fuel qualities as the limiting factor, and getting rid of WBT (Was: Frank on helium surrogate)

[Frank Shields]

Dear Crispin,

I agree with the stove designer/selector criteria for guiding the process making a stove. But before taking it into the field I suggest it be tested using the biomass available and biomass optimized for that stove. That to be included in the instructions. I realize people are going to use the stove as they wish. But knowing how to prepare the fuel for optimum performance is a start. 

Preparing the fuel for stoves takes time and energy and may seem silly and likely not going to be done. BUT if the fuel is the variable that now needs control we will never get cleaner stoves until this is done - no matter what stove they use. I think a process that sizes and dries, splits, chips - whatever the available fuel before use is the best next step to cleaner stoves. 

Frank 









 



> On Jan 29, 2017, at 2:41 AM, Crispin Pemberton-Pigott <crispinpigott at outlook.com> wrote:
> 
> Dear Frank
> 
> "If we don’t we are back to only the connected having the opportunity to market their stoves and all other backyard tinsnips designs don’t have a chance. Once that list is made you can add on all the additional requirements you want. The stove passes or doesn’t make the second list."
> 
> I think we are cleverer than that. It is quite reasonable to set before a stove designer/selector a set of 10 criteria of which half are hard science numbers or ranges and the other half are soft science requirements. 
> 
> A good designer can then create or pick a few candidate‎ technologies for verification and trials. 
> 
> The trials would be performed by experienced cooks and product reviewers from the target community. Cecil wants it to go in stages of 'weeding' and he wants it done before the technical evaluation. He often points out that the most acceptable and widely adopted product may not be the ones with the best technical specifications. 
> 
> That is why Toyota sells more cars than Lamborghini. 
> 
> Regards 
> Crispin
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Thanks

Frank
Frank Shields
Gabilan Laboratory
Keith Day Company, Inc.
1091 Madison Lane
Salinas, CA  93907
(831) 246-0417 cell
(831) 771-0126 office
fShields at keithdaycompany.com



franke at cruzio.com



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