Tiny cannon + Collateral damage

Miniature guns are novelty custom, unique, and sometime downright crude! Common construction materials often include pill bottles or pens. Show us your work!
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inonickname
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Sat Jul 03, 2010 4:42 am

*For the purposes of discussion here, to fire this cannon I blow through the pilot hole.

I think this would count as one of the highest energy density minis here. It uses a precisely machined venturi to accelerate a 4mm steel bore to high velocities in only 3cm using the power of your breath.

It's machined from 316 stainless steel to prevent overpressure from the highly advanced valve mechanism rupturing the barrel.

After firing through both sides of a steel can, a towel and a piece of plywood it proceeded to exit through the side of the shed, 5 meters away. I believe this new air-breath valve I have created can revolutionize small bore airguns. Unfortunately I have a patent pending so I can't show the innards :roll:

The cannon:
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Down the firing line: (point blank target removed for clarity)
Image

The wall:
Image
Image

Camera batteries need replacing.
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jhalek90
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Sat Jul 03, 2010 6:23 am

So, other than your lung power.... is there any source of energy?
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POLAND_SPUD wrote:Anything is possible with the proper 3-way valve.
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jackssmirkingrevenge
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Sat Jul 03, 2010 6:25 am

jhalek90 wrote:So, other than your lung power.... is there any source of energy?
Nothing we'll be discussing here :roll: :wink:
hectmarr wrote:You have to make many weapons, because this field is long and short life
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POLAND_SPUD
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Sat Jul 03, 2010 6:28 am

@jhalek90
can't you read between the lines?? :wink:

@inonickname
I odn't think it is the best idea to post it here...
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Crna Legija
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Sat Jul 03, 2010 6:39 am

what pressure are you generating with your lungs? :wink: :wink:

do you just shoot 4mm bbs
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qwerty
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Sat Jul 03, 2010 6:39 am

So you blow through it but it's held in a vice :wink:
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FighterAce
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Sat Jul 03, 2010 7:03 am

qwerty wrote:So you blow through it but it's held in a vice :wink:
maybe its actually made of depleted uranium so he cant even hold it :lol:
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jrrdw
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Sat Jul 03, 2010 8:42 am

Any video's of it in action? You realy filed for a patent?
Look if you must.
MRR
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Sat Jul 03, 2010 9:26 am

@jrrdw
I think the matchstick in the first picture is not only for size comparison.... :wink:
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SpudBlaster15
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Sat Jul 03, 2010 12:39 pm

Looks a bit like a smaller version of my old TATP powered BB cannon. :wink:
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jrrdw
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Sat Jul 03, 2010 3:03 pm

MRR wrote:@jrrdw
I think the matchstick in the first picture is not only for size comparison.... :wink:
That doesn't tell me if there is a video of it in action or if he realy filed for a patent...
Look if you must.
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Zeus
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Sat Jul 03, 2010 6:18 pm

inonickname, I get it. Mind if I PM you to confirm what I think?
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jor2daje
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Sat Jul 03, 2010 7:26 pm

haha i dont think he wants us to guess anything hes just showing a neat "air" cannon he machined.

inonickname, looks great I hope to make something similar once I get my new southbend lathe going.
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Hotwired
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Sat Jul 03, 2010 9:09 pm

I've got a patent pending valve in a genuine antique flintlock musket.

I'll post damage pictures later.







Looks interesting but seriously...
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deathbyDWV
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Sat Jul 03, 2010 10:11 pm

Haha looks cool... I wonder how you blow so hard? I guess just years of practice... :roll: :P
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