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A mini pneumatic?

Discuss miniature cannons built from things such as pill bottles and pen caps.
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A mini pneumatic?

Unread postAuthor: Dom » Thu Jan 25, 2007 6:57 pm

That would be.. weird...

Anyone has an idea what I could use as a valve?
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Unread postAuthor: ProfessorAmadeus » Thu Jan 25, 2007 7:00 pm

Killa used a micro valve on a tiny miny of his.
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Unread postAuthor: Flying_Salt » Thu Jan 25, 2007 7:13 pm

A ghetto burst disk? It's been done.
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Unread postAuthor: LGM » Thu Jan 25, 2007 7:24 pm

Why couldn't you use a blowgun?
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Unread postAuthor: noname » Thu Jan 25, 2007 8:19 pm

I'll get around to making a 1" chamber coaxial sometime. Airsoft barrel most likely, with a diaphragm. Maybe, 4-5" long.
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Unread postAuthor: Dom » Thu Jan 25, 2007 8:20 pm

Where can you get an airsoft barrel...

And for the valve.. I think I've spotted what would work (goes on the internet to search for a picture)
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Unread postAuthor: Dom » Thu Jan 25, 2007 8:25 pm

Something like that...
Image

but straight..
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Unread postAuthor: Bluetooth » Thu Jan 25, 2007 8:28 pm

Thats called a ball valve...
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Unread postAuthor: Dom » Thu Jan 25, 2007 8:30 pm

Oh, I thought a ball valve were only the big round one.
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Unread postAuthor: LGM » Thu Jan 25, 2007 9:43 pm

This may be too short for what you have plans for, but the tube from the pen model called Scripto stick pen medium fits airsoft pellets perfectly, it's about five inches long. I made a mini with one earlier today.
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Unread postAuthor: frankrede » Fri Jan 26, 2007 12:03 am

Mini pneumatics are easy.
Use steel pipe nipples, ball valves, and a male disconnect.
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Unread postAuthor: noname » Fri Jan 26, 2007 1:46 pm

I can get 9/32" brakeline, which is a fit within half a millimeter of an airsoft BB's OD.
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Unread postAuthor: LGM » Fri Jan 26, 2007 5:00 pm

Today I am going to make a mini pneumatic with a blowgun as the valve, think that'l work?
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Unread postAuthor: Dom » Fri Jan 26, 2007 6:52 pm

LGM wrote:Why couldn't you use a blowgun?


Hey.. I didnt think about that... :oops:
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Unread postAuthor: Insomniac » Fri Jan 26, 2007 7:19 pm

Blowgun valves are fine, but the barrel needs to have a TINY diameter.
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