I can't really think of a reason why the piston returns to the original position!!
any ideas??
I made a transparent QEV coaxial cannon out of the preform of a bottle.
This was inspired by a Nighthawkinlight's project, although I added a transparent barrel and had to make everything work with a wooden piston and o-ring seal.
The breech seal is just a piece of rubber from the inner tube of a bike tire.
Thanks for watching!
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Ley No. 29 de Las 48 Leyes del Poder de Robert Greene. Planifique sus acciones de principio a fin.