Search found 4 matches

by Boomerang
Fri Sep 04, 2020 3:52 pm
Forum: Pneumatic Cannons
Topic: Ideal Gasket Material?
Replies: 1
Views: 134

Ideal Gasket Material?

What is the best material for a barrel sealing gasket? Looking to play in the 100-200 psi range. Do I want something really soft like silicon? Buna-n, like Orings? Perhaps a target durometer? Maybe I actually want 2 layers? A thin, soft material (perhaps silicon), over a thicker layer of something l...
by Boomerang
Fri Aug 28, 2020 11:51 am
Forum: Pneumatic Cannons
Topic: Valve jam with liquid gas
Replies: 13
Views: 501

Re: Valve jam with liquid gas

Cooling things down shouldn't make orings expand, but if it gets cold enough, propane/moisture could certainly freeze on the surfaces. Does it do the same thing if your propane canaster is vertical (top upwards) during the entire fueling process? Idea being to reduce feeding evaporating (and therefo...
by Boomerang
Wed Aug 26, 2020 2:00 pm
Forum: Pneumatic Cannons
Topic: 12g CO2 Adapter
Replies: 1
Views: 329

12g CO2 Adapter

Anyone care to recommend a specific 12g CO2 adapter? Bonus points for being American made. Thoughts on using a bicycle 12g adapter and a schrader valve as compared to a paintball style adapter? Don't really want to tap this large of a hole into my PVC if it can be avoided. Has anyone tried to fabric...
by Boomerang
Thu Aug 20, 2020 4:21 pm
Forum: Pneumatic Cannons
Topic: Exhaust value with decent trigger feel
Replies: 3
Views: 547

Exhaust value with decent trigger feel

New site looks great! Come a long ways since the SpudTech era!! At any rate, playing around with a piston build for the first time in a decade. I've used the basic air compressor blow gun plenty of times in the past, but they just feel like they are made of $1 worth of chinese steel (odd, right?). I...