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Marble Assault rifle (WITH PICS)

Built a pneumatic cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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Marble Assault rifle (WITH PICS)

Unread postAuthor: killagorrila99 » Sun Sep 10, 2006 6:33 am

Here's my marble Assaust rifle. It's my most powerfull cannon TO DATE!!!
Here are the pics and some plans. Keep in mind this is my first modded sprinkler valve. I am really pleased with it, and used a quick connect incase i get a better blo-gun. I used a crappy one today, it still destroyed the drywall i have behind my house.
After tonnes of design sesions in my maths book at school and a brief chat with rna_duelers on how to resize the pics (thanks mate) this thing was born.


OK The build off requires I do this:

Cannon Name- Marble assault rifle
Type of Cannon- pneumatic
Chamber Size- 6 inch long, 32mm wide with an adapter leading to a 25mm handel
Barrel Size- 16mm, 50cm's long
-Pneumatic
--Gas Source- compressor, bike pump
--Valve - modded solenoid
--Other Special Details - Its fully auto!
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Attachments
mmg1.jpg
the beast
mmg2.JPG
the first modded valve
mmg3.JPG
the mag
mmg4.JPG
with ammo
mmg5.JPG
chamber
mmg6.JPG
perfect fit
mmg7.JPG
mag/valve conecter
mmg8.JPG
quick connect
mmgdamage.JPG
the damage shot at a cardboard box at 30 psi. This is after 3 seconds of firing.
mmg.jpg
the plans
Last edited by killagorrila99 on Fri Oct 06, 2006 8:02 am, edited 3 times in total.
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Unread postAuthor: Benny » Sun Sep 10, 2006 6:38 am

Awesome can you post a vid?
What size chamber is that?
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Unread postAuthor: killagorrila99 » Sun Sep 10, 2006 6:42 am

My video camera isnt working atm. The chamber is a 6inch long peich of 32mm galvonised steel pipe.
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Unread postAuthor: mark.f » Sun Sep 10, 2006 6:44 am

Neat. What do you use to fill the gun with?
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Unread postAuthor: killagorrila99 » Sun Sep 10, 2006 6:47 am

My cheapish 12volt compressor, or if thats over heated, I use a high pressure bike pump.
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Unread postAuthor: Benny » Sun Sep 10, 2006 6:48 am

[quote]Neat. What do you use to fill the gun with?[quote]

Well, what do you fill cannons with? COMPRESSORS. :)
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Unread postAuthor: killagorrila99 » Sun Sep 10, 2006 6:49 am

Ahh Benny, I think you messed that post up.
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Unread postAuthor: Benny » Sun Sep 10, 2006 6:50 am

I quoted my self accidentally. :oops:
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Unread postAuthor: schmanman » Sun Sep 10, 2006 6:51 am

nice cannon. I've never had much luck with modding sprinkler valves. I totally screwed up my first one. good job on your first one. :D
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Unread postAuthor: Benny » Sun Sep 10, 2006 6:57 am

What is the ROF?.
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Unread postAuthor: VEGEMITEMODDER » Sun Sep 10, 2006 7:06 am

Nice going killa,Wicked Gun :twisted:
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Unread postAuthor: saladtossser » Sun Sep 10, 2006 10:23 am

nice, i thought it was still in the works, what sized barrel is that? 3/4" cpvc?
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Unread postAuthor: ProfessorAmadeus » Sun Sep 10, 2006 11:01 am

You have pretty marbles..... Well prettier than mine. I tryed that design once with a regular pvc tee and it didnt work. But now you have been succesful so i might try it again.
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Unread postAuthor: noname » Sun Sep 10, 2006 11:30 am

Looks like brian is getting some competition here. Nice job.
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Unread postAuthor: saladtossser » Sun Sep 10, 2006 11:54 am

if i counted right, 17 shots in 3 seconds, thats 340 rounds/min
dont lose your marbles
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