Comments for Peanut Woodgas Magic Stove

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Apr 07, 2014
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Secondary/primary air ratios...
by: Andrew Ma

Good point about the right ratio between primary and secondary airflows.

I don't use adjustable primary air intake because I like the simpliest stove design when I build. To allow both quick boil and slow simmer of chicken soup (http://www.youtube.com/watch?v=pc94k_YZY3g), I start cooking with one of each type of stove at the same time under the pot. The quick boil stove will quickly flames out and start to burn the remaining charcoal while the slow burning one lasts a good 30 minutes longer.



Apr 05, 2014
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Secondary/primary air ratios...
by: Thomas Reed

Dear Stove Users:

The primary holes at the bottom are like the throttle on your car, or the gas valve on a propane stove.... Low air, low power, high primary air, high flame volume, velocity and power.

I have more recently preferred a slide valve that I can open or close or set anywhere in between to adjust cooking power from simmer to quick boil.

The upper holes respond in part to the lower hole size. I believe their area should be 5 to 6 times the area of bottom air. If little gas is being made, there won't be much flow to pull in combustion (secondary air). As primary increases, so does secondary, but maybe not enough. Some more secondary (combustion) air can be aspirated in between the pot and stove. But if there isn't enough secondary air, ... BLACK POT BOTTOMS RESULT, a sure sign you need to increase secondary air or reduce primary air.

Tom Reed. (Inventor of TLUD stove in 1985)


Aug 22, 2011
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Youtube Video Link
by: Andrew Ma

Link: http://www.youtube.com/results?search_query=jw934+peanut+woodgas+magic+stove

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