re: The Mayon Turbo Stove

[RSamson@reap-canada.com]

Hi Ron

Your suggestion to have some ability to manipulate the air is a good one
and may be important for optimizing use of alternative fuels and/or
developing the stove's market potential. Our goal has been to try and
make a stove that best meets the overall needs of the local people we
are trying to assist, not one that is necessarily technologically the
most advanced.

Because of the high incidence of  poverty in our area, our approach has
been to work with our local shop teams to create a design that is as
uncomplicated and inexpensive as possible (yet provides adequate
convenience and economy)  by emphasizing "Sophistication in
Simplicity"....so the less the operator needs to adjust anything and the
less material and gadgets to buy, break or lose that are in the design
the more we like it! We have optimized the Mayon Turbo stoves air for
use with rice hull and done limited assessment of alternative fuels with
the new stove design, this needs further work.

The biggest barrier to our program now is that our stove is still too
expensive for many impoverished rural Filipino's to buy in the Western
Visaya's. We are now working to make it smaller and cheaper to make it
more accessible. It is already considered a technological leap forward
by the peasants we are working to assist.

It may be that some people would appreciate a better air control for
manipulating the combustion quality and/or  heat output when burning
certain fuels or cooking certain foods. One possibility for controlling
air in addition to your suggestions, would be to put metal sliders
underneath the ash pan to control the size of the opening to the 1"
diameter air pipes.

Thanks again for your encouraging words and ideas. I hope you can
successfully adapt or improve the stove so that it can meet the needs of
your local market.

Best regards

Roger



Ron wrote:

    Thanks for your very complete response.  I continue to be impressed
by
what you have done.   I downloaded the report to NREL - but have not had

time to read it yet - but it is much larger and covers more topics than
I
had projected.   Thanks to list member Ralph Overend for being part of
this.

    The main question I want to get in the mix is whether you have made
any
attempt to control the primary air traveling through the rice
hulls/sawdust?
I am thinking of a thin metal partial cone that could be moved
vertically
(or two halves that could be moved horizontally) that might allow some
turn-down.   More later.

Ron



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