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Miniature Cannon


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#1 SpleenBeGone

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Posted 12 January 2012 - 09:10 PM



I made this one out of a piece of .5" hex bar. It's bored at exactly .177 and the entire thing was made with pretty basic tools, a hacksaw, drill press, and sand paper.

I started by cutting the barrel length, around 40mm. To ensure the ends were level, I chucked it up in my drill-press and pressed it down on a bit of 120 grit sandpaper. This also makes nice little rings to help you find center. Afterwards I put it in a drill-press clamp and set my depth to 30mm before centering my .177" bit (#16 machinist bit btw) and drilling out the barrel nice and slow. The fuses I use are 1.5mm (about 1/16") so I drilled the appropriate sized hole 28mm down the barrel, giving just a bit of room behind the fuse to hold powder as well. Once done, I put it back in the drill-press and repeated the sandpaper method, this time working up to 4000 grit, ensuring the end is free from rings and mirror smooth.

I have since given the barrel to my dad, a master carpenter, to make a cool little stand for it. Once he's done I'll post more pictures. I plan on building more soon in an attempt to sell them, and when I do I'll create a video tutorial.
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#2 Diabolical_Jazz

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Posted 15 January 2012 - 06:34 PM

Oh man, that's flipping sweet! :lol:
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#3 SpleenBeGone

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Posted 15 January 2012 - 06:41 PM

Thanks. :)

Yeah, I'm hoping to get the mount soon to make another video and take some better pictures of it.
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#4 Aresem

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Posted 15 January 2012 - 11:25 PM

What is that you're shooting out of it?
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#5 SpleenBeGone

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Posted 15 January 2012 - 11:28 PM

a standard sized bb, I bored it to .177
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