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Step 8What next?
To let your Small Bertha spud gun earn its name, hold by the barrel and press a potato onto the muzzle to "cookie cutter" out a potato bullet. (You might want to remove the last 6 inches or so of plastic coating from the muzzle to do this.)
Stoke down to nearly the other end of the barrel (stop before the crimped part where the cross-section of the barrel changes shape). Load and fire the gun as above, making sure to fire in a safe direction at a solid backstop or outdoors, away from people, animals and yourself. Don't fire hard or overly heavy projectiles. Don't even think about, say, taking the ball out of a ball mouse and firing that.
Where to go from here? Build a bigger one, of course. See if you can integrate the butane tank from the lighter into the design so you can fuel it with the press of a button. Use an entire mop handle to make a very long barrel.
Stoke down to nearly the other end of the barrel (stop before the crimped part where the cross-section of the barrel changes shape). Load and fire the gun as above, making sure to fire in a safe direction at a solid backstop or outdoors, away from people, animals and yourself. Don't fire hard or overly heavy projectiles. Don't even think about, say, taking the ball out of a ball mouse and firing that.
Where to go from here? Build a bigger one, of course. See if you can integrate the butane tank from the lighter into the design so you can fuel it with the press of a button. Use an entire mop handle to make a very long barrel.
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