New member...first cannon!

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.
Ductapemaster
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Posts: 7
Joined: Thu Jun 18, 2009 5:07 pm

Sat Jun 27, 2009 2:58 am

Well, I guess Google has proved me wrong once again. I went shooting tonight at dusk and the cannon was working really well. I had to glue in my protective cap that isolates the handle with the electronics from the combustion chamber. Now that I eliminated that source of pressure loss we get a consistent 200 yards out of it :D
Technician1002 wrote:I gotta try a rifled barrel.
Me too! I've been lusting after one of those clear PVC ones for a long time now...

Oh and a cool thing I found out, even though the barrel PVC is white, at night it glows bright orange during the launch. I never noticed that during the day...wish I could capture it on film.
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