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				New semi auto chamber design:maybe full auto later
				Posted: Sun Oct 15, 2006 6:22 pm
				by upit14
				Hi,  Ive had this design, in my head for at least a year now, and Ive finally found the parts I need for it. I would be very grateful for any comments on how I can improve it. The Expansion chamber will be made of  5 mm thick PVC that has two seals on the outer rim of the PVC piston.
Almost all the internals will be made of copper.
			 
			
					
				
				Posted: Sun Oct 15, 2006 7:03 pm
				by upit14
				I found every piece I need at home depo, Im thinking it can stand maybe 90+ psi
			 
			
					
				Re: New semi auto chamber design:maybe full auto later
				Posted: Thu Feb 15, 2024 2:46 pm
				by quinn whitsitt
				nice work could use some improvement though still but then again any spudgun can never be good enough to be the ultimate spudgun
			 
			
					
				Re: New semi auto chamber design:maybe full auto later
				Posted: Wed Sep 25, 2024 9:06 pm
				by JaniceJMurphy
				Using a PVC expansion chamber and brass internals sounds promising. I'd be interested to see how it performs under pressure.
			 
			
					
				Re: New semi auto chamber design:maybe full auto later
				Posted: Tue Oct 15, 2024 4:50 am
				by NateOnyx
				Have you thought about how the seals will hold up over time, or if any adjustments will be needed to handle wear and tear?