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RC-P240 Vortex Cap BBMG (P90)

Built a BB Machine Gun? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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Unread postAuthor: goathunter » Sun Feb 03, 2008 9:17 pm

we could probably pick up any old piece of PVC and use that as a new barrel or clip.


Isn't modularity great.Quite an asset when traveling for games.

by the way i fell in love with your last 2'' break action and have offically decided to try and make some thing like it on a smaller scale. possibly with shell ejection and multiple types of reloadable shells. Twisted Evil at the moment im thinking 3/4 inch barrel and sprinkler valve powered by co2. any tips?


Well, if it were me(I'm not an airsoft player),I'd look into the shotgun concept.I had some good results using a fired 20 gauge shotshell with a hole drilled in the back(where the primer was),new wading put in and filled with 20-30 BB's.Rather than crimping it shut I cut the top flush and glued a piece of receipt paper on top to hold the BB's in. Voila' you've got a pneumatic airsoft shotshell. Use a piece of 3/4" CPVC for barrel and you are good to go.

So far as valving I'd go real basic. Hammer valves are good(ripped from a paintball gun) or any pressure washer valve would work.For small bore stuff a sprinkler valve is over kill.For compactness sake I'd use high pressure.
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Unread postAuthor: Davidvaini » Sun Feb 03, 2008 9:34 pm

goathunter wrote:
Well, if it were me(I'm not an airsoft player),I'd look into the shotgun concept.I had some good results using a fired 20 gauge shotshell with a hole drilled in the back(where the primer was),new wading put in and filled with 20-30 BB's.Rather than crimping it shut I cut the top flush and glued a piece of receipt paper on top to hold the BB's in. Voila' you've got a pneumatic airsoft shotshell. Use a piece of 3/4" CPVC for barrel and you are good to go.

So far as valving I'd go real basic. Hammer valves are good(ripped from a paintball gun) or any pressure washer valve would work.For small bore stuff a sprinkler valve is over kill.For compactness sake I'd use high pressure.



haha thats exactly what our plans have been... 3/4 works great for shotgun shells... pop the primer and tape the top. Immortal is working on his version and I've been having a couple of ideas for mine... Maybe something like a 6 rotating barrels with a containment chamber and sprinkler valve (a bit overkill but thats the way I like it :D)

EDIT: I found a picture of what I had done before

Image
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Unread postAuthor: goathunter » Sun Feb 03, 2008 9:43 pm

Yep there you go.Mine was just for a simple test in my piston gun.

I never went ahead with the idea.I've got too much invested in paintball to take on another hobby :D Always been afraid that I'd enjoy airsoft too much for my own good.
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Unread postAuthor: Davidvaini » Wed Feb 06, 2008 4:02 pm

well goathunter im pleased to announce that I'm not only working on a 6 barrel shotgun, but Also a belt fed shotgun as well.
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Unread postAuthor: goathunter » Wed Feb 06, 2008 10:33 pm

Well then it looks like I'll have to make a semi auto.Always one for one up- manship :D
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Unread postAuthor: Imortal87 » Sat Feb 09, 2008 1:15 pm

Well the thumbnail is fixed.
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Unread postAuthor: FeLeX » Sun Feb 10, 2008 4:17 am

Wow I am simply amused.
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Unread postAuthor: Davidvaini » Sun Feb 10, 2008 12:53 pm

FeLeX wrote:Wow I am simply amused.


what are you simply amused by?

goathunter: you can try to one up me, but just wait till you see the other top secret project that im working on.

Image
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Last edited by Davidvaini on Thu Feb 14, 2008 4:10 pm, edited 1 time in total.
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Unread postAuthor: paaiyan » Thu Feb 14, 2008 10:19 am

I have to say, I love the P-90 design.
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Unread postAuthor: FeLeX » Fri Feb 15, 2008 8:48 am

Davidvaini wrote:
FeLeX wrote:Wow I am simply amused.


what are you simply amused by?

goathunter: you can try to one up me, but just wait till you see the other top secret project that im working on.

Image

I am amused by your gun bro!
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Unread postAuthor: goathunter » Fri Feb 15, 2008 9:29 am

goathunter: you can try to one up me, but just wait till you see the other top secret project that im working on.


And the arms race is on :D Now just to get some money and the time to build something...
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Unread postAuthor: Imortal87 » Fri Feb 15, 2008 11:21 am

goathunter wrote:
goathunter: you can try to one up me, but just wait till you see the other top secret project that im working on.


And the arms race is on :D Now just to get some money and the time to build something...


isnt that always the case... on time and even less money :angry3: thank god for dumpster diving and the salvation army! :twisted:
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Unread postAuthor: Davidvaini » Fri Feb 15, 2008 4:07 pm

let the games begin... muahahahahahaha ha
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Unread postAuthor: Davidvaini » Wed Feb 20, 2008 1:55 pm

Update:

I found a picture of the inside of the gun...

Image

The peice of PVC below the vortex cap is just for support.
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Unread postAuthor: Griff » Wed Feb 20, 2008 9:44 pm

dam that is nice! ive been working on a mag fed bbmg based on the famas for bout a week now. im totaly jealous. nice work!
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