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While not a sustainable option for third world countries (they can't
afford the tariffs), McGill's Warehouse
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<a
href="http://www.mcgillswarehouse.com/p/2923/hf10-ceramic-fiber-blanket-2-8lbft3-or-128kgm3-f2acf6cg1ah1c">http://www.mcgillswarehouse.com/p/2923/hf10-ceramic-fiber-blanket-2-8lbft3-or-128kgm3-f2acf6cg1ah1c</a>
has a reasonable price for ceramic wool blanket. Given that
insulation of the outermost shell can result in much better cooking
efficiency and enhanced safety, might it be reasonable to use this
to build a standard test stove, and test other insulation choices
for comparison. The ceramic wool could, rationally, be used as a
standard allowing diverse testing sites to try different materials
without importing them from around the world.<br>
<br>
Testing things like rice hull ash might prove it is BETTER than
ceramic wool, but finding it in [area of your choice] as well as
Beech ash and animal dung ash might be difficult, while such things
will be easily found in other places.<br>
<br>
If, for example, preheated air is desired and too much heat loss
occurs without insulation, having a way to figure out how much
insulation (to start with), of what kind would be a good thing,
IMHO. Yes, fine tuning will still be needed, but this means it is
from a likely good starting place.<br>
<br>
Comments are welcomed.<br>
<br>
Dave 8{)<br>
<div class="moz-signature">-- <br>
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