Making Your Own Fire Piston from a Few Simple Parts
I have always wanted a fire piston, but have never gotten around to buying one.
Here’s a quick and easy DIY version that uses little more than a 5″ long piece of copper pipe and end cap (1/2″ Dia.), 1/2″ wooden dowel, an O-ring (9/16″ O.D., 3/8″ I.D), and a wooden knob.
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This is the same concept used in engines except during compression a mist of gasoline is sprayed into the cylinder. 🚗
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