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| newkidspudster |
 Posted: 01/01/2007 13:11 PM Post subject: combustion paintball? |
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Private First Class
Joined: 30 Dec 2006
Posts: 33
61.13 Spud Bux
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| I need to know if its possible to make a combustion paintball gun,? or will the paintball pop? |
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| MrCrowley |
| Posted: 01/01/2007 14:42 PM Post subject: |
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Blizzard of Ozz
Joined: 23 Jun 2006
Posts: 5912
2587.94 Spud Bux
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| it probably is plausable but why would you,just go with pneumatic.It wouldn't be very poerful either. |
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| Bluetooth |
| Posted: 01/01/2007 15:21 PM Post subject: |
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Brigadier General
Joined: 27 Jun 2006
Posts: 828
34.79 Spud Bux
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Yeah it would work  . |
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| keep_it_real |
| Posted: 01/01/2007 15:33 PM Post subject: yup |
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Captain
Joined: 23 Dec 2006
Posts: 304
446.34 Spud Bux
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| I've done it and it worked really well. It was pretty powerful too. Just keep the chamber sorta small. |
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| jrf155 |
| Posted: 01/01/2007 16:06 PM Post subject: |
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Private
Joined: 31 Dec 2006
Posts: 5
22.23 Spud Bux
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| my friend made a paintball barrel for his combustion cannon and it worked really well. He used a 3/4 " pvc for the barrel and the paintball was not a perfect seal but it still worked well. |
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| Insomniac |
| Posted: 01/01/2007 17:07 PM Post subject: |
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Colonel
Joined: 18 Dec 2006
Posts: 674
68.81 Spud Bux
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| Well the tippmann C-3 is a pump action combustion gun, and it works well enough to sell so it is possible if you know what you are doing. |
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| PVCMAN |
| Posted: 01/13/2007 21:21 PM Post subject: |
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Private
Joined: 12 Jan 2007
Posts: 12
15.45 Spud Bux
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| Does anybody have or know were I could get pvc that would fit a paintball in it? I would apreciate it. |
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| MrCrowley |
| Posted: 01/13/2007 21:44 PM Post subject: |
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Blizzard of Ozz
Joined: 23 Jun 2006
Posts: 5912
2587.94 Spud Bux
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| 3/4" PVC or CPVC is usally a good bet, Next time search it,its been covered many times on this forum. |
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| SpudBlaster15 |
| Posted: 01/14/2007 0:48 AM Post subject: |
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Human blast shield
Joined: 18 Oct 2006
Posts: 1537
2.25 Spud Bux
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Paintballs fit in 3/4" CPVC, 3/4" Sch 120 PVC, and 1/2" Sdr 21 PVC, with 1/2" Sdr 21 having the best fit.
3/4" CPVC = .695"
3/4" Sch 120 PVC = .69"
1/2" Sdr 21 PVC = .685
Paintball = .68" |
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| pyrogeek |
| Posted: 01/14/2007 2:50 AM Post subject: |
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Lieutenant Colonel
Joined: 13 May 2006
Posts: 455
1142.31 Spud Bux
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Paintballs are not always exactly .68cal. Different brands will run small or large, and the moisture content will also affect the size. Anyway, if you want to use it for paintball, you would probably be better off using a stock barrel off a Spyder. At least that was meant for shooting paintballs.
And yes, if the Tippman C3 can be used for paintball, it must be able to reach a pretty high velocity. It must at least get close to 300fps, if not capable of more.
I was thinking of making a combustion pump action. But, the design I wanted to use would probably require more sophisticated tools and parts than I would have access to. Basicly, I wanted to have the chamber be basicly like a bike pump. A ram will have a disc and at one end of the chamber will be a one way valve. You pull the ram and it brings in fresh air, and exhausts the old out the barrel. Then there would be a propane meter that would release a small amount of gas electronically when you push the ram back in place. And of course the ram would also have to let another ball in, which could be done like 2 ways. Either directly connect the ram you push/pull to vent the gun to a bolt, or a switch could trigger a solenoid to open and close the bolt.
I just figured a cheap Spyder blowback would be faster and more reliable, so I abandoned the idea. The only way you could make a semi auto or full auto would be to use big rams to exhaust the gun, or to meter oxygen also. And that would be dangerous, and bulky. Or, I guess you could have 2 chambers and one would fire, which would provide pressure to power a ram that would push a piston through the other chamber and vent it. But, then you would have 2 chambers, a couple rams, and other junk. It just doesn't seem practical. It would be complex, heavy, and bulky. Plus, you would need like 2 hoppers or to split the feed up which I would assume could cause feed issues or would make it hard to clean if you chopped a ball. Also, with the addition of eyes like many new guns have, it would require the circuit to be timed exactly to the firing order of the gun. Although, I guess that could be solved. |
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| markfh11q |
| Posted: 01/14/2007 9:53 AM Post subject: |
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Donating Member
Joined: 06 May 2006
Posts: 1372
1421.62 Spud Bux
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| 3/4" aluminum hydraulic tubing, (rating 190 PSI), has a .68" inner-diameter. Just use a 3/4" compression nut to connect to the gun. |
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| ant |
| Posted: 01/31/2008 8:36 AM Post subject: |
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Lieutenant Colonel
Joined: 13 Aug 2006
Posts: 462
1121.39 Spud Bux
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The Tippman C3:
 This gun is said to be many times more efficient than a air supplied tippmann. |
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| Hotwired |
| Posted: 01/31/2008 8:49 AM Post subject: |
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UK Spudgunner
Joined: 13 Oct 2006
Posts: 1665
3497.26 Spud Bux
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Depends what you mean by efficient but it does get a hell of a lot more shots per tank of propellant than any other marker type.
Downside it is it has to be a pump action to cool the marker enough to prevent the components from getting too hot. |
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| Ragnarok |
| Posted: 01/31/2008 10:24 AM Post subject: |
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Lord of Karma
Joined: 19 Dec 2006
Posts: 2029
5134.75 Spud Bux
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| Hotwired wrote: | | Downside it is it has to be a pump action to cool the marker enough to prevent the components from getting too hot. |
I thought it had to be a pump action because they had to use it to drive a pump as a method to vent the chamber quickly enough, because they didn't have any other way - not because of overheating.
They don't currently even have any way to make a working prototype in semi as I understand. |
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| Hotwired |
| Posted: 01/31/2008 13:06 PM Post subject: |
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UK Spudgunner
Joined: 13 Oct 2006
Posts: 1665
3497.26 Spud Bux
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| As I understand it can't go above 3 bps or it will overheat, which is a serious issue if you're after semi-auto or auto. |
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