piston seals

Show us your pneumatic spud gun! Discuss pneumatic (compressed gas) powered potato guns and related accessories. Valve types, actuation, pipe, materials, fittings, compressors, safety, gas choices, and more.
maz oner
Private 2
Private 2
Posts: 21
Joined: Sun Jan 28, 2007 8:53 pm

Fri Feb 02, 2007 2:13 am

ive been using hot glue plug as a piston and it seals great with a 1/4" ball valve as the pilot but because i usualy open the valve up fully and pretty fast (not purposly) when filling the chamber the barrel (1/2" copper) has starded diging into the got glue (from slaming up againt and makes in kind of stick when i pilot the valve.
i have some neoprene but i was wanting somthing a little harder, i want to use like the rubber on car hoses or simmilar. the reason i made this post is coz i just wanted to know what other people use other than neoprene.

cheers

maz
User avatar
Mr.Russ
Specialist 4
Specialist 4
Posts: 429
Joined: Fri Jan 26, 2007 9:07 pm

Fri Feb 02, 2007 2:18 am

Could you use some slingshot tubing?
User avatar
VH_man
Staff Sergeant 4
Staff Sergeant 4
Posts: 1827
Joined: Sat Dec 09, 2006 6:00 pm
Location: New Hampshire
Been thanked: 1 time

Sat Feb 03, 2007 1:04 pm

This may sound kinda useless, but try a few layers of that craft foam stuff you can buy at miachels. just be sure to glue it on!!! the stuff will pop at like 20 PSI unless its sealed perfectly. if you want better, try the sillicone from those baking mats. just glue that down too, it will pop.......
User avatar
fatcat
Private 3
Private 3
Posts: 51
Joined: Fri Mar 16, 2007 10:56 pm
Location: central CA

Sun Mar 18, 2007 9:53 pm

i've heard that duct tape works
User avatar
c19o
Specialist 3
Specialist 3
Posts: 356
Joined: Thu Dec 14, 2006 11:59 pm
Location: Fairfield Bay, Arkanasas

Sun Mar 18, 2007 10:02 pm

once i used a piece of rubber from one of those exercise balls. It sealed pretty good.
User avatar
judgment_arms
Sergeant 3
Sergeant 3
Posts: 1272
Joined: Tue Oct 17, 2006 8:49 pm
Location: Not so beautiful North Carolina, but at least it’s the U.S.A.!

Sun Mar 18, 2007 10:04 pm

Gasket material works well. I can get it the home-chepot (tyin’ somethin’ new, instead of home depot, or home cheapo I’ll call it home chepot.), one of the few useful things you can get there.
Call me "Judge", it's easier to type.

Spud gun safety rules
maz oner
Private 2
Private 2
Posts: 21
Joined: Sun Jan 28, 2007 8:53 pm

Mon Mar 19, 2007 3:05 am

im using the tube of a bike tyre at the moment and it seams to work pretty good
Post Reply