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Nerf Rifle (the not-so-mini cannon)

Built a miniature 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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Nerf Rifle (the not-so-mini cannon)

Unread postAuthor: Spedy » Sat Jun 07, 2008 1:44 pm

This turned out surprisingly well for something I built out of sheer boredom..
The nerf barrel was from a project that never really lifted off. It's a length of 1/2" sched40 pvc (this is probably the closest to a perfect C:B I've ever got got a mini) epoxied to a cap that fit perfectly on the chamber.
I cannibalized "C/B Nightmare" for the igniter, that worked nicely. My only real beef with this thing is that the electrical tape is all tacky (from a really old roll.)

Next step is burst-disk.

UPDATE: Got the non-tacky tape and tried out burst disk (1 layer plastic shopping bag,) and its great! You can;t even see the Nerf dart as it leaves the barrel =DDD

New pictures too.
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Attachments
chamber_ignition.JPG
The chamber with my heavy-duty ignition module strapped to it (a real nice piezo potted in hot glue inside a chopped up marker)
Allparts.JPG
Everything. Chamber, Nerf barrel, butane, q-tip barrel
Useddisk.JPG
A used burst disk. BANG! heehe
Useddisk.JPG (36.2 KiB) Viewed 924 times
Newfull.JPG
Re-taped. Not sticky or tacky anymore!
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Unread postAuthor: OuchProgramme » Sat Jun 07, 2008 11:34 pm

I dont think that plastic bag would work so well as a burst disk when it's used in one layer...
Try multiple layers for a BOOM in preformance
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Unread postAuthor: Spedy » Sun Jun 08, 2008 12:06 am

Ok, thanks. I'll be sure to try that in the morning =)
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Unread postAuthor: TwitchTheAussie » Sun Jun 22, 2008 5:47 pm

Hehe nice mate nice. Make a small x2 hybrid out of it. Thatl give it a kick :wink:
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Unread postAuthor: Spedy » Thu Jul 03, 2008 5:45 pm

2x hybrid? first: I think that would get to the point where the neighbors will call the police and 2: I doupt the pill bottle will hold up to that. sure sounds fun though lol
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Unread postAuthor: pat123 » Thu Jul 03, 2008 9:44 pm

yeah i have cracked a pill bottle with just aerosal spray so i would try a 2X.
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Unread postAuthor: frankrede » Thu Jul 03, 2008 10:50 pm

the cb ratio is ridiculous with the nerf barrel!
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Unread postAuthor: TwitchTheAussie » Fri Jul 04, 2008 4:09 am

I dunno fellas. If you can ask Chaos he'l tell you about his mini hybrid out of a plastic tube. Its on here somewhere I do beleive.

Edit: Heres Tacticool by Chaos

linky
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Unread postAuthor: Spedy » Sun Jul 06, 2008 2:42 pm

frankrede wrote:the cb ratio is ridiculous with the nerf barrel!


How is it ridiculous? Like, the barrel is too big? Or is the chamber too big (I'd choose this side. The barrel could be a bit longer...)

I've measured it w/ water myself, its nowhere near optimum (I didn;t have a longer pipe laying around)
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Unread postAuthor: frankrede » Sun Jul 06, 2008 2:44 pm

Spedy wrote:
frankrede wrote:the cb ratio is ridiculous with the nerf barrel!


How is it ridiculous? Like, the barrel is too big? Or is the chamber too big (I'd choose this side. The barrel could be a bit longer...)

I've measured it w/ water myself, its nowhere near optimum (I didn;t have a longer pipe laying around)
the barrel is long, not that there is anything too bad about that
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