It looks awesome. Only question I have is how does he vent if before the next shot?
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.
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Good question, there doesn't seem to be a fan or anything. At about 11 minutes you can see there's a line connected to the chamber, maybe he's injecting compressed air?
The reloading mechanism reminds me of those automatic mortars:
hectmarr wrote:You have to make many weapons, because this field is long and short life