latest discovery

Boom! The classic potato gun harnesses the combustion of flammable vapor. Show us your combustion spud gun and discuss fuels, ratios, safety, ignition systems, tools, and more.
metalmeltr
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Mon Jul 05, 2010 9:12 am

Last night while messing around in the garage i discovered that a standard BBQ piezoelectric ignitor will fit perfectly in 3/4" pvc. Today i will fill the end of the pipe with silicone and mount the ignitor on my cannon permanently.
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deathbyDWV
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Mon Jul 05, 2010 10:41 am

Yep, it's been done before. You can create quite a nice simple handle this way. Good job of finding it...
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jimmy101
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Tue Jul 06, 2010 12:50 pm

I suggest not gluing it in place. It really isn't needed.

Route the wires out the back of the handle' horizontal component and end the wires with alligator clips. You can then easily move the sparker from gun to gun

http://www.inpharmix.com/jps/_images/gun_handle.gif
The T may need a short piece of pipe in it to hold the sparker snugly)
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metalmeltr
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Tue Jul 06, 2010 10:53 pm

to late already glued it on
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