Need Help With Semi-auto Valve
#1
Posted 10 December 2003 - 06:55 PM
Aim toward your goals...Quicken your stride...
With great power comes great responsibility.
#2
Posted 10 December 2003 - 07:10 PM
- Taggart (Blazing Saddles)
#3
Posted 10 December 2003 - 07:50 PM
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#4
Posted 10 December 2003 - 08:02 PM
Aim toward your goals...Quicken your stride...
With great power comes great responsibility.
#5
Posted 11 December 2003 - 04:14 AM
-Superintendent-
#6
Posted 11 December 2003 - 11:12 AM
You can poop in my toilet anytime champ.
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#7
Posted 11 December 2003 - 07:56 PM
Edited by Ironman, 14 December 2003 - 05:55 PM.
Aim toward your goals...Quicken your stride...
With great power comes great responsibility.
#8
Posted 14 December 2003 - 06:01 PM
Could you somehow put a spring in the to make it come back by its self. Damn i wish I had a Designing program to show what Im talking about!A basic pull valve would not work if praticality is needed. If you could pull it back and push it forward(the firing pin, i mean) incredibly fast than you might retain some air, but your pressure would be virtually gone.
Aim toward your goals...Quicken your stride...
With great power comes great responsibility.
#9
Posted 15 December 2003 - 07:49 PM
Aim toward your goals...Quicken your stride...
With great power comes great responsibility.
#10
Posted 17 December 2003 - 09:57 PM
Either way, you just need to get four pieces of CPVC, long enough to fit into each connector, or longer. Each time you put a piece half-way into a connector with Plumber's Goop, throw an O-ring in the other side, and close it in with one of your other peices of CPVC. With three connectors, this will mean three O-rings gates, and thus with an endcap on one side, three chambers; On for input, one for output, and one for temporary storage. The connector, pipes, and O-ring essentially do the same thing as those endcap "gates" in the original design, but are much, much easier, and a touch cheaper, to build.
Something like this piece:
http://www.geocities...coppervalve.txt
Apologies for the uglification, and t3h 4n7i-1337. Just got back from Return of the King, kind of dazed. Going away Friday, won't have time to build this until after Christmas.... Even if it'll only take about 5 minutes or less...
Inline versions of this valve are much "kewler," build one of those if you can.
[Oh, and for clarification, that brass rod is pulled out (right) when you want to fire. This should bring the holes just to the left of the middle O-ring, into the to-barrel tank, allowing air stored in the left-most tank into the barrel, and plugging off the air tank. If the pressure manages to be stronger than friction forces in the pin, and the thing ends up firing by itself (there is a very good chance it will not), I can give you another design that operates more off the basic valve's "balanced pressure force" idea... Just requires an internally plugged end, much like the basic valve's solid bar provides (in a sense).
I just worry about the self-firing, because this valve is missing the constriction of the O-rings in the 3/4" PVC design, as well as the small internal SA of 1/4"OD Brass...
We'll see after Christmas.]
Edited by Zero Talent, 17 December 2003 - 10:02 PM.
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