compressor dynamics?

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thudthumper

Post subject:

Posted: Sun Feb 05, 2006 7:38 pm

Joined: Mon Jan 09, 2006 1:52 am
Posts: 241
Location: Georgia, USA

good luck with it! i've been working on a design of my own for a while now, i just don't have the means to create it! lol...

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killercrow

Post subject:

Posted: Mon Feb 06, 2006 8:37 am

Joined: Thu Oct 13, 2005 4:20 pm
Posts: 2374
Location: Spruce Grove AB

thanks! yeah, i dont have anything to build my design with either... one day though, i will. in the meanwhile, theres other people with lathes and whatnot

well, what kinda gun are you designing? pump?

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thudthumper

Post subject:

Posted: Mon Feb 06, 2006 11:20 am

Joined: Mon Jan 09, 2006 1:52 am
Posts: 241
Location: Georgia, USA

nah, i've only ever worked with CO2, so that's easy for me to visualize. in my design, i'm planning on using fairly low pressure (about 500psi) and a long barrel to achieve atleast 650 [fps] (edit) for a .22 cal pellet. i'm doing some math right now to see if it's even possible. my formula doesn't take into account drag from the barrel or gas leaking around the pellet...i guess i'll factor that in once i actually test a prototype at the chrono.

i only have a drill press to work with, so i can't make my own valve :cry:

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not too bad for a 23 year old university student, eh?

Last edited by thudthumper on Tue Feb 07, 2006 3:02 pm, edited 1 time in total.

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killercrow

Post subject:

Posted: Tue Feb 07, 2006 8:32 am

Joined: Thu Oct 13, 2005 4:20 pm
Posts: 2374
Location: Spruce Grove AB

how do you get 650 psi from 500 psi?

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jezX

Post subject:

Posted: Tue Feb 07, 2006 9:50 am

Supporting Member 2013

Joined: Wed Sep 14, 2005 8:47 pm
Posts: 1689
Location: 123 gun street Nova Scotia

i assume 500psi and 650 f/s
.
off co2 i find a .22cal ,14.3 gr pellet will only go a little faster in f/s then the psi . 500psi = 500f/s +- , at full power co2 may be 900psi but i have not seen co2 powered guns reach over 900f/s .

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thudthumper

Post subject:

Posted: Tue Feb 07, 2006 3:01 pm

Joined: Mon Jan 09, 2006 1:52 am
Posts: 241
Location: Georgia, USA

killercrow wrote:

how do you get 650 psi from 500 psi?

whups, sorry. yeah i meant 650 fps.

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