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SpudFiles Forum Index » Pneumatic Cannon Showcase » The Improved Pen Gun
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Lentamentalisk
PostPosted: 05/19/2008 21:29 PM    Post subject: Reply with quote

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Joined: 07 Aug 2007
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...and fail at using the color brackets...
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rp181
PostPosted: 05/19/2008 21:36 PM    Post subject: Reply with quote

Major
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...and 6 spudbux from a tiny post...

Anyway, i think a penpump would be great, but a marker pump would be faster Laughing

you -----> lurk
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ant
PostPosted: 05/22/2008 13:21 PM    Post subject: Reply with quote

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it looks nice, I would work on your rifling though as the projectile seems to tumble when I see the hits on the paper. Why not go for small balls?
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rcman50166
PostPosted: 05/23/2008 10:26 AM    Post subject: Reply with quote

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Well small balls would be conveinient however they're kind of hard to find. Pencil tips are plentiful and cheap. If you know where I could find such miniballs for dirt cheap then I'll consider it.

BTW the rounds in the vid aren't rifled. The rifled round does tumble coming out of the muzzle but it stablizes after a while. I haven't quite determined when though. I usually reserve the fifled rounds for "long range".
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