[Stoves] Test methods for cook stoves

[Frank Shields]

Dear Crispin, and Philip, 

I like what you and Philip are saying and agree. Because the fuel differs at different locations there will need to be separate testing anyways so why not at the same time add Tasks that are common to that local. So we follow my  outlined procedure and replace the fuel with local available biomass that works for  the stove being tested and replace the water boiling task with a real task that is frequently used. There will likely be several tasks and may even involve several cooking utensils so it could involve many tests especially if they need to be in trilicate. So to make it manageable we need to keep the number of real tasks to one to two that represent typical usage expected and utensil(s) used. The results are still in biomass/task and time/task. Do we need to add taste quality of the end results? I don’t think so as that would be difficult.  And we need to establish a well defined end time when the task is completed. That should be easy with any task because all we need is the time from match to when the utensil is up to temperture and add on the time found to be average (as observed in real World) needed to complete the task. We still need to complete the task so to calculate the biomass used. 

 Is that how you both look at it? 

I don’t think we can add emissions to the test package when using real food - but not sure. 

Regards

Frank



Frank Shields
franke at cruzio.com


On Mar 19, 2015, at 4:31 PM, Crispin Pemberton-Pigott <crispinpigott at outlook.com> wrote:

> Dear Frank
>  
> You are getting onto the right path but are defeated by an excess of opportunities.
> “FRANK> We are in complete agreement in understanding the variables. But we can’t test all variables and any test we come up with will not be as good as the actual person using it (like everything in the World that’s sold). ”
>  
> First, you do not have to test with all the variables covered – it is simply not necessary. Stoves are made for markets. Markets have limitations, constraints. You test for places where you want to sell the product, just like perfume or shoes.
>  
> “Field tests may be the way to go but who gets to have their stove tested?”
>  
> You can do a field test in a lab. You can drag the lab to the field. What will you do there which you cannot do in another house, or town, or lab? We have to move away from the idea that a lab test cannot and should not necessarily represent use. Light bulbs are tested in labs, and represent use. I already mentioned cars and engines.
>  
> “It should be chosen from a ‘most likely to succeed’ based on preliminary tests – like what I have been describing. IMO:
>  
> No problem. Just test it doing what it is going to be doing. Anything else is a waste of money.
>  
> Regards
> Crispin
>  
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