How do I make a fire piston?

Question

I know what it involves, but I don't really know what I can make it out of or anything. I have to be able to see the cotton inside, so it'll probably have to be partly made of glass. Anyone know how or know of a place I can get instructions? Thanks.

Answer 1

Hi. Here are some examples but a thick (strong) bottle could be placed on the end so you couls see the combustion. : http://www.onagocag.com/piston.html