Page 3 of 3

Re: Design advice, would this work?

Posted: Fri May 02, 2014 9:53 am
by jackssmirkingrevenge
Personally I wasn't too impressed by the 3/4" combustions I had built. You really need big bores to see the effect.

How about downloading HGDT and getting some performance estimates?

http://www.thehalls-in-bfe.com/HGDT/

Re: Design advice, would this work?

Posted: Fri May 02, 2014 11:19 am
by vng21092
Yea I was reading some debates over combustion vs pneumatic and for the most part pneumatics win in terms of performance for smaller cannons. I just wanted to make combustion because I've already made a marble pneumatic.

Re: Design advice, would this work?

Posted: Sun May 04, 2014 5:13 pm
by BowerR64
jackssmirkingrevenge wrote:Personally I wasn't too impressed by the 3/4" combustions I had built. You really need big bores to see the effect.

How about downloading HGDT and getting some performance estimates?

http://www.thehalls-in-bfe.com/HGDT/
It would if you used bangsite and water. 1" tee with a 3/4" barrel starts to sound like a real gun being fired. I havnt done any tests on velocity because i could care less about that.

Ive never really put anything solid in my pistols. The cannons on the other hand i have

Re: Design advice, would this work?

Posted: Mon May 05, 2014 7:19 pm
by vng21092
I've read that using carbide was bad for PVC as it form acetylene no?

Re: Design advice, would this work?

Posted: Tue May 06, 2014 6:53 am
by jackssmirkingrevenge
BowerR64 clearly knows what he's doing, but in general the use of carbide cannons is frowned up on the forum as being potentially unsafe.