i want to build a potato gun, but not just a toy, i want to take time and make a very nice one. if i go combustion, id have to get a grill igniter and wire that up, but then i have to actually buy fuel, whether its hair spray or propane or whatever. if i go combustion, id want to use an electric solenoid, but they are so expensive! Is the solenoid ($60-100) worth it when using a pnuematic style launcher? my last gun was just a basic pneumatic with a manual ball valve, but it leaked so i threw it out.
i of course would be using high enough pressure rated PVC either choice…
thanks!
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1 response so far ↓
1 reed_pel // Jul 10, 2008
We used are BBQ lighter and we never had any problems with it as for fuel the cheaper the hairspray is the better is is for a potato gun. If you have a leaking problem try using the silicon they use to water seal sinks and showers it is very durable, easy to use, and makes a good seal. Don't use it as a glue because when we did that it didn't hold up to well.