Double barreled air cannon

[Jeremy] wrote in to show off his latest creation. he has built a two barrel pneumatic air cannon. Eschewing the traditional approach of having a single barrel and pressure chamber for his spud gun, [Jeremy] wanted to have a double barreled version. Since he was doing this pneumatically, he had to rig up a way to maintain pressure in each barrel independently of each other, as well as trigger them independently. While we can all agree that one way valves and sprinkler valves aren’t ground breaking, it is nice to see it all laid out and tested. We now have the blueprints if we were so inclined to create our own version.  You can see him testing it out by filling the chambers with water and sploooshing that all over the place after the break.

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Sausage Gun 19mm

If you are anything like us, you find yourself needing, on occasion, to fling sausages at high velocity. [F00] sent in his solution, the SG19. While the details are glazed over pretty quickly, we get the point. This is basically a smaller diameter spud gun, meant to shoot sausage. While it may not be remarkable in its design, we have to wonder who came up with the idea to use sausage as the ammunition.

Steam powered spud gun

[robbtoberfest] put together this cool looking steam powered spud pistol. Made from household materials, like a lighter and some copper pipe, this spud gun builds pressure in its little bitty boiler to expel the projectiles. It seems as though he’s using a cork to supply a seal, so why bother with potatos? At roughly 2 minutes between shots, its not the quickest, but it sure is cool. Good job [robbtoberfest].

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