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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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Min fantastiska film.

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Been a long time since I put up a video. Im still here! I have a backlog of videos and some I'll put up over the next few months. In the Spring I'll be relaunching this channel with a series of hi def adventure videos. Stay tuned for some exciting stuff.

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