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| SpudFarm |
 Posted: 01/01/2008 18:16 PM Post subject: hybrid airsoft |
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Hybrid Guy
Joined: 04 Nov 2006
Posts: 2097
1187.34 Spud Bux
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i have finally got the parts to my hybrid just missing the propane meter. then i suddenly wanted a bb gun so (if it is safe) i will put a barrel on it for 6mm bb`s.
the camber is 8" of 2" steel pipe. it was designed to shoot marbles.
it will be posted when i get my meter |
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| windshrike |
| Posted: 01/01/2008 18:35 PM Post subject: |
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Sergeant Major
Joined: 28 Jun 2007
Posts: 178
444.10 Spud Bux
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| 8" by 2" for bbs? I know it was made to shoot marbles, but in my opinion, thats a bit of overkill. At least you then won't have to worry about pressure dropping in the barrel. How long is your barrel going to be? You could go fairly long with that chamber, say 72". I must note one problem: If you are firing such a large chamber through a small-bore barrel, then the perssure in the barrel while firing will be quite high for a few moments, so be sure to use metal(like steel brakeline). |
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| SpudFarm |
| Posted: 01/01/2008 18:50 PM Post subject: |
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Hybrid Guy
Joined: 04 Nov 2006
Posts: 2097
1187.34 Spud Bux
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i was thinking of 6feet of copper pipe the 1/2" marble barrel is also copper and 6 feet long then i got a 1" 3 feet copper barrel. what i am scared about is the gasses from the chamber isn`t comming through the barrel fast enough. BTW it will be used on 4x
thanks for all help |
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| DYI |
| Posted: 01/01/2008 21:32 PM Post subject: |
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Rear Brigadier
Joined: 07 Jul 2007
Posts: 2308
1164.60 Spud Bux
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Since the flow is choked, the gases will accelerate, and the hybrid C:Bs are probably more akin to those of pneumatics than those of combustion, because of the burst disk (if it is dont properly).
I don't really understand what the purpose of this thread is, but good luck on your hybrid. |
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| sniperjosh |
| Posted: 01/02/2008 3:58 AM Post subject: |
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Specialist
Joined: 11 Oct 2005
Posts: 58
181.49 Spud Bux
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TBH im not sure a chamber that large should be fit with such a small I.D barrel. The chamber will maintain the pressure spike for a longer time as its volume is too large to be vented quickly though a tiny bore. If your chamber is will be under stress for extended time periods with this setup, make sure your chamber is able to handle that.
I think for airsoft pellets you shoudl make a small chambered version, it will be mroe practical too. |
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| SpudFarm |
| Posted: 01/02/2008 4:13 AM Post subject: |
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Hybrid Guy
Joined: 04 Nov 2006
Posts: 2097
1187.34 Spud Bux
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| yeah as soon as my big one is up working i am going to make another one just of a 1" or 3/4" steel tee as the chamber but really how do i make a that little propane meter? |
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| sniperjosh |
| Posted: 01/02/2008 18:36 PM Post subject: |
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Specialist
Joined: 11 Oct 2005
Posts: 58
181.49 Spud Bux
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| use 1/8" ball valves into each side of a 1/8" Tee, with a pressure gauge hooked up to the last connection on the tee. then use a regulator (fairly accurate one). |
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| VH_man |
| Posted: 01/02/2008 19:22 PM Post subject: |
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Swimmaman
Joined: 09 Dec 2006
Posts: 1531
166.10 Spud Bux
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why not use a syriinge??? its like, perfect...... lol.
JSR made something intended for hybrid use that shot airsoft BB's. i beleive to fuel it he used a syringe. in fact, im sure of it, seeing as he has so many....... 
still, get a chrony when you finish this, i wanna see what kind of power you can get........ |
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| noname |
| Posted: 01/03/2008 11:30 AM Post subject: |
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Mr Vortex
Joined: 10 Apr 2006
Posts: 2520
2730.79 Spud Bux
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| My steel hybrid has a 2" x 11.5" chamber, and I use it for batteries and marbles, with a 1/2" Sch 40 PVC barrel. I also fire at 6x mixtures most of the time. I compensate for the large chamber by having a 20 foot long barrel. Your gun will work fine (that is, if it works), but it will be frickin' loud. You're definitely going to need earplugs. |
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| SpudFarm |
| Posted: 01/03/2008 14:57 PM Post subject: |
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Hybrid Guy
Joined: 04 Nov 2006
Posts: 2097
1187.34 Spud Bux
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| i probably get a chrony when my wallet grows! |
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| TwitchTheAussie |
| Posted: 01/03/2008 18:12 PM Post subject: |
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Brigadier General
Joined: 06 Feb 2007
Posts: 935
1016.00 Spud Bux
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Why not just make it a larger bore and use it like a shotgun by saboting a heap of bb's? And JSR are you a drug addict or something? With that amount of syringes Im a bit worried here
Last edited by TwitchTheAussie on 01/04/2008 17:36 PM; edited 1 time in total |
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| SpudFarm |
| Posted: 01/04/2008 14:18 PM Post subject: |
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Hybrid Guy
Joined: 04 Nov 2006
Posts: 2097
1187.34 Spud Bux
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| but i can do that with the 1" barrel but want a single or "riflel" then i could probably get a scope on it and play sniper! xD |
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