I think the tin can camp stove, aka buddy burner, is ready for a revival. Be it for emergency preparedness or backyard camping, you can make one in 30 min.
How to Make a Buddy Burner
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The Right Way to Make a Buddy Burner (classic DIY tuna can burner plus basic Hobo Stove)
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The Right Way to Make a Buddy Burner (classic DIY tuna can burner plus basic Hobo Stove)