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Barrels

Discuss miniature cannons built from things such as pill bottles and pen caps.
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Barrels

Unread postAuthor: Dom » Sun Jan 21, 2007 10:51 am

I need ideas for slightly larger and way longer barrels than a pen tube... Ideas?
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Unread postAuthor: Bluetooth » Sun Jan 21, 2007 10:52 am

1/4" or 3/8" PVC, brass, steel or aluminum (with the steel or brass they sell long nipples which come in sizes 1" long to 12" long. It's just pipe with 1" of threads on each end and the PVC comes in 36" pieces at the Home Cheapo near me).
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Unread postAuthor: mark.f » Sun Jan 21, 2007 11:18 am

1/4" hydraulic tubing! I.D. of .18" and can be used with a simple 1/4" compression nut. Steel is bendable, and aluminum is usually rigid. Make sure before you buy.
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Unread postAuthor: Velocity » Sun Jan 21, 2007 11:53 am

markfh11q wrote:1/4" hydraulic tubing! I.D. of .18" and can be used with a simple 1/4" compression nut. Steel is bendable, and aluminum is usually rigid. Make sure before you buy.


I thought that the aluminum was bendable, and the steel is usually rigid...

Either way, I bought the steel, and it works pretty well
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Unread postAuthor: Dom » Sun Jan 21, 2007 12:07 pm

Bluetooth wrote:1/4" or 3/8" PVC, brass, steel or aluminum (with the steel or brass they sell long nipples which come in sizes 1" long to 12" long. It's just pipe with 1" of threads on each end and the PVC comes in 36" pieces at the Home Cheapo near me).


I think I'll go with that.
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Unread postAuthor: Pyro Ninja » Sun Jan 21, 2007 2:35 pm

i have a 10mm aluminum barrel that is 32cm long with a 200ml chamber,
it is pretty powerful
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Unread postAuthor: Dom » Thu Jan 25, 2007 12:49 pm

I found some transparent vinyl tube really thick.. I attached it to a water bottle, using some sytrofoam to straighten it out. I should of thought about it.. it burned a bit in the part of the vinyl tubing inside in the bottle
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Unread postAuthor: LGM » Thu Jan 25, 2007 4:59 pm

For one that I am currently making I used the long metal part from a charcoal lighter. My favorite part about it is that the end flares out a bit and has slats on the end so it looks like it has a recoil reducer.
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Unread postAuthor: lukemc » Wed Mar 07, 2007 10:33 am

use an aluminum arrow and cut off about a one foot chunk
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Unread postAuthor: kf4oij » Tue Mar 13, 2007 11:22 pm

Most Plastic Straws are perfect for .22 pellets... Or you could get a real barrel off of an old air rifle, then it's even rifled.
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Unread postAuthor: Scotty » Wed Jul 25, 2007 5:40 am

I have a 2000mm long 12.7mm barrel on one of my minis (220ml) It's aluminium two piece with a Acetal coupler. It's hella powerful (can shoot through .8mm sheet metal)

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