is this website even up anymore?
How-To: Make a pneumatic cannon with a 2" piston valve.
It's tapered to ensure the seal. Using a bit of PTFE you can screw it in nice and tight and get a good seal.
It starts small so is guaranteed to fit, then get bigger and bigger to fill the female thread.
@covey12: No it isn't, it had a lot of problems for a while and then went down altogether. That's why spudfiles got new sponsors.
It starts small so is guaranteed to fit, then get bigger and bigger to fill the female thread.
@covey12: No it isn't, it had a lot of problems for a while and then went down altogether. That's why spudfiles got new sponsors.
Those who would give up Essential Liberty to purchase a little Temporary Safety, deserve neither Liberty nor Safety. -Benjamin Franklin