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Compressed Air Cannon. With a 10 mm barrel from a copper pipe. It uses a piping nipple chamber in order to acumulate air before shooting. Self explanatory video
Where's the video ? I would love to build this but there are no instructions or parts list.
<p>Awesome!</p>
<p>GO UP!!!</p>
Cant you see the video? <br> <br>http://www.youtube.com/watch?feature=player_embedded&amp;v=8yDQcyqqyUs <br> <br>The video shows all the parts. If you have any doubt dont hesitate to ask me!
&quot;You'll shoot your eye out... You'll shoot your eye out!&quot; That looks pretty cool, but really dangerous...
Nice one!! The brass bar projectile convinced me- I'm in the middle of the build now! <br>Thanks for posting this! (I think I am going to make a shorter barreled model, though, and use a few extra fittings to place the tank under the barrel...you know- something that can be hidden in a rolled up newspaper...). <br>Have you ever thought about shooting it into a stack of old newspapers that are soaked with water? It makes a pretty good improvised ballistic gelatin. You can peel the layers away to see how the projectile behaved once it hit. <br>Have you ever made a dart for it?

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