WARPIG Tank Talk - CO2 cannon


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CO2 cannon

In Reply to: Re: CO2 cannon updade. posted by Dave Hall on May 21, 2003 at 19:23:17:

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Posted by:
Michael "LCT_Paintball" Lyon
on May 21, 2003 at 22:53:16

: Out of curiousity, how close did it's performance match the predictions by the sim?
Almost exactly,,,,well,,,, kinda.
I had to change a couple of things from my original design because of machining problems. Most notably the size of the expansion chamber shrunk a little (around 10 %) And, the barrel that I'm using for testing is a little shorter than what I was going to use.
I was shooting for 230 fps so I could restrict the valve to get my velocity down. I'm actually hitting 220 fps. I never actually figured what my velocity should be with the smaller chamber and barrel, but my guess is the sim would have hit it very close. Of course, I had to guess at the speed of my valve. I think it must be around .03

Follow Ups:

Re: CO2 cannon & simulations Dave Hall 15:04:59 05/22/03 (7)

Re: CO2 cannon & simulations Michael "LCT_Paintball" Lyon 16:09:33 05/22/03 (6)

Re: CO2 cannon Dave Hall 21:09:07 05/22/03 (5)

slightly confused Michael "LCT_Paintball" Lyon 21:28:12 05/22/03 (4)

Re: slightly confused? Me too! Dave Hall 23:58:56 05/22/03 (3)

Re: slightly confused? Me too! Bill "Capt Bill" Tison 19:50:51 05/23/03 (2)

But... T.J. "Mad Scientist for the Tiger Tank" Allcot 15:20:59 05/24/03 (1)

What you need .... Bill "Capt Bill" Tison 08:29:07 05/26/03 (0)

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Subject:Message:
: : Out of curiousity, how close did it's performance match the predictions by the sim? : Almost exactly,,,,well,,,, kinda. : I had to change a couple of things from my original design because of machining problems. Most notably the size of the expansion chamber shrunk a little (around 10 %) And, the barrel that I'm using for testing is a little shorter than what I was going to use. : I was shooting for 230 fps so I could restrict the valve to get my velocity down. I'm actually hitting 220 fps. I never actually figured what my velocity should be with the smaller chamber and barrel, but my guess is the sim would have hit it very close. Of course, I had to guess at the speed of my valve. I think it must be around .03

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