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Posted: Fri Sep 14, 2007 8:59 am
by jackssmirkingrevenge
you can afford to have a smaller chamber, but if you keep those dimensions you should have a reasonably powerful cannon :)

Posted: Fri Sep 14, 2007 10:23 am
by spud yeti
does a paintball fit into 15mm pipe?! I dont think it does, but m&m's would work then i guess. Otherwise the progress sounds pretty good. How did you modify the ball valve though?

Posted: Fri Sep 14, 2007 10:45 am
by spanerman
it doesnt but they fit in 22mm with wadding

Posted: Fri Sep 14, 2007 3:40 pm
by dongfang
Hi,

I think most people here would say the chamber is too large for the barrel. It's a 2.7:1 ratio.

Can you fix a long, strong spring to open the valve quickly? Or a torsion spring in some way? Then it might get quite good.

Regards
Soren

Posted: Fri Sep 14, 2007 11:54 pm
by jackssmirkingrevenge
dongfang wrote:Can you fix a long, strong spring to open the valve quickly? Or a torsion spring in some way? Then it might get quite good.
Modding a sprinkler valve would be easier and mroe effective.