Pneumatic: minipump cane

Just build a cannon and want to show it off? Post it in here.

Postby clide » Fri Jun 24, 2005 9:07 pm

Once again, not really anything original about the design as it is just basically a longer v4.1. Closed it is about 37" long and completely extended it is about 6' long. I have yet to verify this, but according to calculations it should make about 200 psi in the 5.75" long coaxial chamber. It shoots over 600 fps from its longest extention. (I think 625 was the highest I recorded)

<a href="http://gbcannon.com/pics/minipump/cane/closed.jpg">closed</a>
<a href="http://gbcannon.com/pics/minipump/cane/extended.jpg">extended</a>
<a href="http://gbcannon.com/pics/minipump/cane/fired.jpg">after its fired</a>
<a href="http://gbcannon.com/pics/minipump/cane/front.jpg">bottom of cane</a>
<a href="http://gbcannon.com/pics/minipump/cane/drywall.jpg">drywall damage</a>
<a href="http://gbcannon.com/pics/minipump/cane/drywall2.jpg">drywall damage 2</a>

The Tic Tacs make a cool whizzing sound at that speed. One was particularly cool when it ricocheted back at me from a tree about 50 feet away. It sounded like those cartoon bomb dropping sounds then bounced right by my chrony and whizzed by my ear.

Any ideas for a cool paintjob? For the extension part I want something to indicate how far it needs to be extended for certain velocities. 100, 200, 300, 400, 500 are pretty much what I plan on marking. As for the outside paintjob I was thinking some vertical pin stripes, but if anyone has some other ideas I am open for them.
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Postby Freefall » Fri Jun 24, 2005 9:26 pm

Hmm...I wonder if that would get through airport security?
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Postby BillyBobJoe » Fri Jun 24, 2005 9:28 pm

SWEET! I love those Minipumps! Did you use the brass barrel - I hope that works out for you. As for paint - I'd go with 2 different colors that "go" together well- one for the pump and one for the body.

I like that cane rubber end too![:p]

EDIt - Freefall - lol -it probably would with our high caliber workers at airport security[:p]
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Postby clide » Fri Jun 24, 2005 9:43 pm

It probably would get through security unless they made me stick it in the x-ray machine. The barrel is aluminum so I don't think it would set off the sensors, everything else is pvc.
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Postby tatorassassinator » Fri Jun 24, 2005 9:50 pm

Damn you Clide!!! You are making me think and i do not like it.:D
Now the taliban(spelling) will take your design and highjack a plane.
Frikking SWEET!!! I love it. How far will it shoot max? You should also put some street elbows on that so it has a handle.
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Postby theexp » Fri Jun 24, 2005 10:47 pm

Beautiful, i love it. That thing is nice as SH*T, be nice just to mess around with, as well as the other mini pumps
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Postby tatorassassinator » Sat Jun 25, 2005 12:07 pm

When you are old and need a cane use that! When your grandkids wont behave just shoot em with a tictac. I bet they wouldnt mess around when your near by.
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Postby draculon » Sat Jun 25, 2005 3:37 pm

That is the shizznit. I guess you've been bored and now you're coming up with all these new designs. lol
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