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Posted: Wed Oct 18, 2006 1:11 am
by killagorrila99
Why dont you make a piston from moulded hot glue? It works for BC.

Posted: Wed Oct 18, 2006 2:33 am
by rna_duelers
I might but i want to keep it light as possible.And all that Glue isnt to light,i'll give it a go but.

Posted: Thu Oct 26, 2006 5:24 pm
by subterranean
sorry im new but how did u make that piston?

Posted: Thu Oct 26, 2006 5:36 pm
by rna_duelers
It's made from a room deodorant can cut in half with tape to make it fit and some bog to make the concave face flat wiht neoprene to make it seal well.

Posted: Sun Nov 12, 2006 4:53 pm
by spud-tom
How can i build a piston valve?

Posted: Sun Nov 12, 2006 6:58 pm
by pyromanic13
what size is the tee? 3"?

Posted: Sun Nov 12, 2006 7:34 pm
by Z0Z0
nice work I want to make one like this

what did you use for your piston ?

some kind of can cause you said it bent ?

Posted: Mon Nov 13, 2006 1:19 am
by rna_duelers
I used a aresol can which was cut in half it was verylight and worked for a few shots but it couldnt take tomany shots and it got bent and stuck in the pilot area so i re-made a piston out of hot glue sticks melted in a tin over a low flame and pured it into a mould its a little heavy but still works very well.

I remade the whole unit added barrel support a slight paintjob shotend the barrel and lost the sprinkler valve and BtB is right the ball vavles work fine to pilot the piston.

This is the link to the upgraded cannon.

http://www.spudfiles.com/forums/viewtopic.php?t=4471&

Posted: Tue Dec 05, 2006 8:00 am
by killagorrila99
DUDE! I cant believe your ditching us! Your guns are cooler than mine!

Posted: Tue Dec 05, 2006 7:53 pm
by pyromanic13
what do you mean he's ditching us... rna? nooo!