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| Brian the brain |
 Posted: 06/02/2008 13:19 PM Post subject: |
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Dutch Spud Clan Leader
Joined: 05 Dec 2005
Posts: 1293
2102.96 Spud Bux
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| Quote: | | what is this favorite break barrel method? |
this is what I mean:
The pivot point will be at the end of the reservoir however.
Breakbarrel means NO dead volume ( unlike most other systems) and it has a certain coolness factor.
I have a breakbarrel on my Overkill cannon ( and a 1.30 m "fixed"one)
Limitations are ROF and no way of having a detachable reservoir, but I couldn't give a sh*te...
It will have a 1.25 " reservoir , fixed, and it only uses a small amount of air per shot, so I don;t need a reg.
Pressure drop will provide less and less power, but will also allow the hammervalve to stay open longer, wich counters the effect of the pressure drop, by releasing more volume of air through the QEV.
All I need to make this a succes ( to me) is two uberpowerfull shots out of one fill.I don;t care about the weaker ones.This system will still prevent me from having to fill it up from zero.
It saves air. |
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| Lentamentalisk |
| Posted: 06/02/2008 18:26 PM Post subject: |
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Resident Tinkerer
Joined: 07 Aug 2007
Posts: 637
285.49 Spud Bux
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I am also (as of a day or two ago) working on modding my QEV with a hammer valve, and I am trying to figure out what bore I want. It is the tricky question of power over air conservation.
What bore are you going for? Given that you are going to be more constrained to stay on the "slim and sexy" side of things, I'm guessing on the 1/2" side of things?
I was thinking because I have an entire SCBA tank to run off of, I would go for a 1" barrel, and see what power I can get...
One thing you may want to look into is those weird rotating joint fittings, as you could possibly then use your stock as a reservoir too then, though it might mess up the clean looks of that beautiful grip. |
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| Brian the brain |
| Posted: 06/05/2008 13:33 PM Post subject: |
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Dutch Spud Clan Leader
Joined: 05 Dec 2005
Posts: 1293
2102.96 Spud Bux
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I'm going for 1/2" indeed.Or 3/4"...Possibly both..
It has enough power for a decent 1"shot though.Especially with the heavy hammer wich now only leaves a small amount of pressure.
Like ONE giant boom, then a second, not so impressive one, and then an emptying puff....
No stock for this gun...
I've decided to go for "the ultimate sawed-off"
Same power, same size..just multiple shots and a proper break barrel.
I'm even debating on getting a 12 gram adapter to run single shots of of them ( smaller reservoir size) and popping them in the barrel for ammo.
The QEV allows for it to be filled from a 12 gram -chamber side. |
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| jackssmirkingrevenge |
| Posted: 06/05/2008 14:24 PM Post subject: |
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space monkey
Joined: 15 Mar 2007
Posts: 6519
9937.77 Spud Bux
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*cries*
I'm running out of superlatives, you've outdone yourself once again  |
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| Davidvaini |
| Posted: 06/05/2008 14:27 PM Post subject: |
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Airsoft and BBMG Expert
Joined: 29 May 2007
Posts: 597
127.42 Spud Bux
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| I would go for 3/4. Did you know shotgun shells fit nicely in 3/4 SCH 40? |
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| psycix |
| Posted: 06/05/2008 17:20 PM Post subject: |
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Major General
Joined: 25 Jun 2007
Posts: 1591
86.93 Spud Bux
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| Back here in the netherlands, shotgun shells are a little harder to buy... |
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| Lentamentalisk |
| Posted: 06/05/2008 18:00 PM Post subject: |
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Resident Tinkerer
Joined: 07 Aug 2007
Posts: 637
285.49 Spud Bux
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Wow, I absolutely love that idea!
Shoot
Refill with CO2 cartridge
load cartridge into barrel
shoot again
you could get more than one shot off a CO2 cartridge though couldn't you?
How many moles of CO2 are in your standard cartridge? |
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| LikimysCrotchus5 |
| Posted: 06/05/2008 19:31 PM Post subject: |
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Brigadier General
Joined: 04 Sep 2007
Posts: 976
2288.98 Spud Bux
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well, if its a 12 gram cartridge, then:
12/44 grams per mole of CO2 = .2727 repeating. |
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| Lentamentalisk |
| Posted: 06/05/2008 19:38 PM Post subject: |
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Resident Tinkerer
Joined: 07 Aug 2007
Posts: 637
285.49 Spud Bux
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| lol I am such an idiot... I know how to do that, just as the school year comes to an end, all knowledge flies out of my head, right in time for finals! I practically forgot how to speak spanish yesterday, and I am in 7-8, and spent a month in Bolivia over the summer, hanging out with some musicians. It is actually scary how little my brain is working all of a sudden. |
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| THUNDERLORD |
| Posted: 06/05/2008 20:40 PM Post subject: |
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Loose Cannon
Joined: 28 Mar 2008
Posts: 707
1319.08 Spud Bux
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Just noticed your handle pics on pg.4. That looks great.
Hope to see some finished pics.
I was thinking you could add a telescoping stock made from one rod going through pins with holes on each side and bent in a loop at the back to form the shoulder stock.
It could have a set screw or spring loaded pin to hold it in place.
Either way looks like an awesome grip and design BTB.  |
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