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| Gippeto |
 Posted: 06/28/2008 8:09 AM Post subject: |
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Colonel
Joined: 19 Jan 2008
Posts: 705
1746.17 Spud Bux
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Thank you.
The slug was actually cast. I just melted some 50/50 solder into the mould to get an idea whether it would work or not.
It dumps the entire chamber with each shot.
Steps have been taken to smooth the flow of the air path (  ), I do not believe heating will be a problem.
The more you look around this site, the bigger that grin is going to get. 
Hey Mitch.
Looking forward to it. |
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| jackssmirkingrevenge |
| Posted: 07/04/2008 4:59 AM Post subject: |
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space monkey
Joined: 15 Mar 2007
Posts: 7050
11306.91 Spud Bux
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This just keeps getting better, I can't wait to see a high pressure firing - and please, PLEASE sort out that ear protection!  |
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| SpudFarm |
| Posted: 07/04/2008 5:07 AM Post subject: |
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Hybrid Guy
Joined: 04 Nov 2006
Posts: 2097
1187.34 Spud Bux
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me like
think of the boom with 3000psi |
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| Mitchza89 |
| Posted: 07/04/2008 5:27 AM Post subject: |
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Brigadier General
Joined: 08 Jan 2007
Posts: 858
1765.46 Spud Bux
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| Good god that's looking great Gippeto, it's slowly getting there! |
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| Gippeto |
| Posted: 07/04/2008 8:23 AM Post subject: |
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Colonel
Joined: 19 Jan 2008
Posts: 705
1746.17 Spud Bux
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@ Jack;
Thank you. Me too! I will wear hearing protection.
@ Spudfarm...BIG BOOM! (that I won't be able to hear  )
Hey Mitch;
Thanks. Yes, SLOWLY getting there. 
It's ok, I would really rather get it right the first time, and not have to spend weeks re-doing things. |
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| Gaderelguitarist |
| Posted: 08/17/2008 17:08 PM Post subject: |
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Private
Joined: 16 Aug 2008
Posts: 6
17.66 Spud Bux
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 9000 PSI?!?!? How are you going to test fire it? I'll bet that would completely shatter a tree!
I'm getting all goosebumpy just thinking about that. |
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| Antonio |
| Posted: 08/18/2008 1:20 AM Post subject: |
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Captain of Industry
Joined: 13 Aug 2006
Posts: 495
24.52 Spud Bux
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| Looks really nide gippeto! What is hydro testing actually? Is it using water? If so, how do u get it at such high pressures? |
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| ALIHISGREAT |
| Posted: 08/18/2008 2:18 AM Post subject: |
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Eternal Noob
Joined: 25 Aug 2007
Posts: 1311
1007.17 Spud Bux
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WOW.... i can't wait to see the damage shots from a 3000psi shot! (post pics of your ruptured eardrums too  ) i reckon your neighbours will think something has exploded but you should definitly machine yourself a massive surpressor, they not only look cool, they sound cool and protect your hearing  |
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| Gippeto |
| Posted: 08/18/2008 8:22 AM Post subject: |
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Colonel
Joined: 19 Jan 2008
Posts: 705
1746.17 Spud Bux
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@Ant, this will explain it better than I could, and in less time.
I used oil and the dead weight tester at my work.
http://en.wikipedia.org/wiki/Hydrostatic_test
@ ALI, How many times do I have to post that I WILL use hearing protection?
As to the suppressor, they are HIGHLY illegal here under any circumstances.
I'll just have to use the ear plugs.
My nearest neighbor is 3/4 of a mile, so I won't worry too much about the noise bothering them. |
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| SpudFarm |
| Posted: 08/18/2008 8:48 AM Post subject: |
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Hybrid Guy
Joined: 04 Nov 2006
Posts: 2097
1187.34 Spud Bux
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| hydro testing is a pressure test with fluids that does not store energy shortly said |
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| Brian the brain |
| Posted: 08/18/2008 9:14 AM Post subject: |
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Dutch Spud Clan Leader
Joined: 05 Dec 2005
Posts: 1339
2233.28 Spud Bux
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| Quote: | | With the hammer valve that acuates this gun, it's hard to say if it'll be a repeater or not. Unless there is a spring behind the piston, it won't be a repeater. I just finished my high pressure repeater that uses a high flow modded pop off valve, almost no pilot area and a spring behind the piston, I'll have to post it soon! |
Without the spring it can't be fed chamberside, but it will still function as a repeater.
I've tested the principle numerous times, starting with my first repeater over 5 years ago.
And Yes...you will have to post it soon!! |
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| far_cry |
| Posted: 08/22/2008 11:28 AM Post subject: |
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Sergeant
Joined: 20 Aug 2008
Posts: 85
143.75 Spud Bux
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you can use 22 caliber pellets will be deadly
and lits see this thing fire a thing with 6000 psi |
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| Pilgrimman |
| Posted: 08/22/2008 12:44 PM Post subject: |
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Lieutenant Colonel
Joined: 28 Jun 2007
Posts: 433
925.14 Spud Bux
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| Cool as that would be, it's only proven that it wont burst at 6000 psi. If he accidentally filled it to 6001 psi, it might burst. He is leaving a safety factor. Also, you'd be hard pressed to find a 6000 psi tank. |
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| Mr.Sandman |
| Posted: 08/22/2008 13:08 PM Post subject: |
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2nd Lieutenant
Joined: 28 Mar 2008
Posts: 249
103.78 Spud Bux
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i just thought that if you somehow put a .177 barrel on the gun at 9000 psi
i wonder how fast it will go? where did you get your chamber from?
Edit: ggdt says 18,000 fps thats insanely powerful. iwonder what would stop a bb going .177 fps
sorry for kicking up an old topic. |
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| Pilgrimman |
| Posted: 08/22/2008 14:03 PM Post subject: |
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Lieutenant Colonel
Joined: 28 Jun 2007
Posts: 433
925.14 Spud Bux
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It's not really old, it just kicks up when the creator updates his build status.
| Quote: | iwonder what would stop a bb going .177 fps
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A piece of paper?
As for GGDT, it has issues modeling high pressures, so it is very unreliable at say 9000 psi. Of course, It would certainly be neat to shoot at 18000 fps! Also, most gasses at room temperature won't pressurize to 9000 psi. Take CO2. It can only compress to ~850 psi at approximately room temperature. I like your thinking though! Always wanting to go balls out |
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