Ultra-Light Alcohol Stove

Step 1: Gather the Materials

Materials:

• Marker
• Ruler
• Thumb Tack
• Needle
• Exacto Knife Handle
• Exacto or Utility Blade
• Book(s)
• Paper Hole Punch
• Two of the same kind of soda cans
• Cat food or bean dip can for the primer plate

Comments

[amniup]

Hi!

Some time ago I've (re)invented a stove that is very similar to your stove (and to the peyo revolution...); it only have one thing I don't like: if I let it burn WITHOUT the pot over it (in real life it can happen), the top of the stove melts...

Have you ever had this problem with your stove?

[robanna]

Never had one melt. Are you using Denatured Alcohol for fuel? I've heard other fuels burn too hot and will melt the aluminum.

[amniup]

Thank for the answer!

Yes, I'm using denaturated alcohol (90% ethilic alcohol).

But please confirm: have you ever tried letting the stove burn all the alcohol (in my tests, about 20ml) WITHOUT THE POT over? (it usually makes no sense, but it is a good test for the durability of a stove...)

With the pot over, my stove has no problem...

[seamaas]

can you use a soup can?

[robanna]

No soup cans. Soda/beer cans. Soup cans would be too thick.

[seamaas]

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[seamaas]

it means i want more answers

[robanna]

The thickness affects the efficiency of the stove. I guess you COULD use soup cans but then you'd have to test it's efficiency (burn time, time to boil 1 cup of water, etc) and adjust the design accordingly and make a new one and test it again and so on until it's the most efficient it can be. Be sure to adjust the height of the can, the size for the holes, the distance from the holes to the pot and every other variable you can think of. Each time you change something, retest. Only took me about 20 designs and six months but you could do it quicker.

Also, soup cans are heavier and being the gram weenie that I am, lighter is better. (Too light and it will melt, too heavy and you're carrying extra weight) If not then I'd just carry a gallon of fuel and a steal pot.

So, to more correctly answer your question, make it out of whatever can you want.

[robanna]

Also, I don't think you could poke a pin through a soup can so you'd need to drill the burner and breather holes. And you can not press fit soup cans together (step 4) because of the wider rim on the cans.

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[robanna]

Thanks!