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Old 09-02-2011, 11:21 PM   #31 (permalink)
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dual 12ies? One for each barrel?
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Old 09-03-2011, 12:01 AM   #32 (permalink)
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I would be tempted to try it, but it would look odd to be sniping with FS rounds from a sawed off shotgun.
That it would. but on the other hand the Wtf coming out of the guys mouth as you hit him with 2 fs rounds would be priceless.

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dual 12ies? One for each barrel?
2 barrels one pull. Double valved version is a touchy subject. As most fields require one fire per pull. Insurance bs
And a staged trigger i have not worked the details out yet. So that version is on the back burner.

If you could get your hands on the double 12 changers. the ones that pop 2 12s in one tube yeah could see that working.
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Old 09-03-2011, 12:35 AM   #33 (permalink)
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k frame is doable But 12ies kind of doubt. Even running in the 150 to 250 psi range your still filling a 2 to 2.5 cubic inch air chamber. Can always cross that bridge when we get their. At the moment it's unsure if it will work and how many shots you could get out of it.

Someone could always test an ion on 12s and divide the shot count in half to see if its worth the attempt. hmm if i only had a working ion
If you use a little math (coppied from doomlabs)
"We know that 1.8 grams of CO2 == 61.02in3 so (12/1.8)(61.02)=406.7Vin3 at 1atm

We know that 1atm == 14.7 PSI so (406.7) * 14.7 / 150 = 39.86in3

So 12 grams of CO2 will fill 39.86in3 at 150 PSI at 77F"

So take your 39.86 and divide by 2.5 and you get roughly 16 shots per 12 gram. If you ran double 12's like was suggested, 16 would actually be pretty good.



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If you could get your hands on the double 12 changers. the ones that pop 2 12s in one tube yeah could see that working.
Found one for 44.95 from armed paintball, wouldn't be impossible to see who makes them and contact them directly.
Pic:


A double long dropout would be pretty cool. Just have some supports to help hold the 1st 12 gram in while you put the other in.
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Last edited by Skibbo; 09-03-2011 at 12:45 AM.
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Old 09-03-2011, 02:09 AM   #34 (permalink)
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If you use a little math (coppied from doomlabs)
"We know that 1.8 grams of CO2 == 61.02in3 so (12/1.8)(61.02)=406.7Vin3 at 1atm

We know that 1atm == 14.7 PSI so (406.7) * 14.7 / 150 = 39.86in3

So 12 grams of CO2 will fill 39.86in3 at 150 PSI at 77F"

So take your 39.86 and divide by 2.5 and you get roughly 16 shots per 12 gram. If you ran double 12's like was suggested, 16 would actually be pretty good.


Found one for 44.95 from armed paintball, wouldn't be impossible to see who makes them and contact them directly.
Pic:
http://www.armedpaintball.com/paintb...o2-adapter.jpg

A double long dropout would be pretty cool. Just have some supports to help hold the 1st 12 gram in while you put the other in.
Also need to take the wasted air in consideration as this is pneumatic operated. But that should be minimal at the most maybe a shots worth of air. So 15 shots not bad. In all i think 3.5oz would be the best way to go.
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Old 09-03-2011, 02:23 AM   #35 (permalink)
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Also need to take the wasted air in consideration as this is pneumatic operated. But that should be minimal at the most maybe a shots worth of air. So 15 shots not bad. In all i think 3.5oz would be the best way to go.
yah. I wonder if a T fitting would work and just rout the air equally to both firing chambers... if you made the barrels longer you could even house it in the foregrip. that'd be pretty cool
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Old 09-03-2011, 03:19 AM   #36 (permalink)
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Only make a single firing chamber version for the time being. Duel chamber would work just fine with a t only thing is the only reg i found that would just about keep up with a duel setup was an aka 2 liter. On that note i could do a duel chamber with out a feed t I could build that in to the body. So it would only need one feed to the body.
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Old 09-03-2011, 10:23 AM   #37 (permalink)
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Only make a single firing chamber version for the time being. Duel chamber would work just fine with a t only thing is the only reg i found that would just about keep up with a duel setup was an aka 2 liter. On that note i could do a duel chamber with out a feed t I could build that in to the body. So it would only need one feed to the body.
What's the recharge time on the reg? I would think you could find one with 2-3 seconds to recharge since it'd take at least that to load more rounds and get it ready to fire again.

Or is it a factor i]I'm missing besides recharge rate like volume output or something.


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... In all i think 3.5oz would be the best way to go.
And I was also thinking, 3.5 oz is roughly 85g of CO2 (conversion could be off, just did a quick one w/google)
what about just using an 88g CO2? Granted they're a bit more cumbersome than 12ies but then you could load it in a single go. Plus they're smaller diameter wise than a 3.5oz, so much easier to hide.
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Last edited by Skibbo; 09-03-2011 at 10:27 AM.
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Old 09-03-2011, 10:47 AM   #38 (permalink)
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But aren't all 88 grams Crosman brand?
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barrels are like women - everyone likes them for their subtle differences and personal preferences. ALthough at this price, they cost substantially less than women.

(caution: barrels are not like women, do NOT insert your p3nis into a barrel)
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Old 09-03-2011, 06:08 PM   #39 (permalink)
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Originally Posted by Skibbo View Post
What's the recharge time on the reg? I would think you could find one with 2-3 seconds to recharge since it'd take at least that to load more rounds and get it ready to fire again.

Or is it a factor i]I'm missing besides recharge rate like volume output or something.




And I was also thinking, 3.5 oz is roughly 85g of CO2 (conversion could be off, just did a quick one w/google)
what about just using an 88g CO2? Granted they're a bit more cumbersome than 12ies but then you could load it in a single go. Plus they're smaller diameter wise than a 3.5oz, so much easier to hide.
What your missing is it'll be using Ion hosing and fittings for pluming
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Old 09-04-2011, 03:25 AM   #40 (permalink)
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What your missing is it'll be using Ion hosing and fittings for pluming
ah. well then that would do it. I dont know enough about ions i guess.
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