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| noname |
 Posted: 08/17/2006 9:46 AM Post subject: Electric Bolt-Action BBMG |
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Mr Vortex
Joined: 10 Apr 2006
Posts: 2524
2738.35 Spud Bux
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Basically the wheel is spun by an electric motor, so the piston/bolt lets a BB in then smacks it out and keeps repeating while the motor spins. The only flaw I can think of is that the motor will be too fast and end up making it so that the BBs don't have enough time to fall in front of the piston.
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| SpudStuff |
| Posted: 08/17/2006 9:48 AM Post subject: |
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Major General
Joined: 10 Dec 2005
Posts: 1379
128.17 Spud Bux
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| Put a spring above the BBs And you would beed to move the wheel insainly fast unless you used a lever to move the piston.
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| noname |
| Posted: 08/17/2006 10:02 AM Post subject: |
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Mr Vortex
Joined: 10 Apr 2006
Posts: 2524
2738.35 Spud Bux
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All I understood was the part about putting a spring above the BBs. 
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| saladtossser |
| Posted: 08/17/2006 12:03 PM Post subject: |
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SpudZilla
Joined: 26 Mar 2005
Posts: 1237
98.19 Spud Bux
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what kind of motor are you trying to get?
its (rpm/60)(diameter/12)=fps
lets say 100000 rpm, and a 2" diameter wheel, you get 277 fps tops, and 1666 rounds each second.
but i see a issue that is easily solved, the bb may make a vacuum behind it, so make sure the barrel has holes or something to let air in
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| noname |
| Posted: 08/17/2006 12:34 PM Post subject: |
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Mr Vortex
Joined: 10 Apr 2006
Posts: 2524
2738.35 Spud Bux
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I might use a spring powered piston fed mag design and I might put holes in the magazine or somewhere because no air is used.
(rpm/60)(diameter/12)=fps according to you, so I'll play with the equation. And this will be for airsoft, so I don't want too high of speeds. I want to be able to use it in wars against my friends.
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| FiveseveN |
| Posted: 08/17/2006 17:07 PM Post subject: |
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Captain
Joined: 14 Oct 2005
Posts: 340
766.01 Spud Bux
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Isn't this how electric BBMGs actually work?
I don't think the smacking action would be powerful enough, though. More like take a usual spring-powered piston BB gun and adapt that to your design.
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| chosen_way |
| Posted: 08/18/2006 2:04 AM Post subject: |
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Staff Sergeant
Joined: 02 Jul 2006
Posts: 106
71.82 Spud Bux
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| dont have the piston smack the bb have it create air
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| sam_516 |
| Posted: 08/18/2006 2:18 AM Post subject: |
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Specialist
Joined: 06 Apr 2006
Posts: 52
69.85 Spud Bux
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| you cant have the piston create air caz you would get a vacum effect wich would just screw the hole gun over and it would be a waste of money
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| chosen_way |
| Posted: 08/18/2006 3:32 AM Post subject: |
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Staff Sergeant
Joined: 02 Jul 2006
Posts: 106
71.82 Spud Bux
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| by air i mean like a piston not have it hit the bb because that would push it about 1 foot out of the barrel if your lucky.
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| FiveseveN |
| Posted: 08/18/2006 4:56 AM Post subject: |
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Captain
Joined: 14 Oct 2005
Posts: 340
766.01 Spud Bux
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| Yeah, chosen_way kinda put what I said in another way. You can add a tee with a one-way valve to remove the vacuum effect.
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| crazyfreak0075 |
| Posted: 09/20/2006 18:17 PM Post subject: |
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Master Sergeant
Joined: 17 Aug 2006
Posts: 159
24.93 Spud Bux
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Remember that vacuum cannon post. That would be cool if you could make a vacuum then break that vacuum shooting the bb out.
Not sure if you could get the fps you want though.
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