Re: pic: Shooting a pvc projectile from 70 yards out at Homecoming!
heheh...i have a 2.5-inch-diameter barrel on my air cannon. It uses 120psi per shot. Also, i made an ice mold using leftover PVC from the barrel, so i have a projectile that fits exactly into the barrel and has almost zero friction as it's launched. My cannon can make that shot from 150 yards, and destroy almost twice as much stuff when it lands.
=D
That's me holding the cannon in my picture.
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[WHUMP]
"...That's a feature. Our robot plays dead."
[CLUNK]
"The arm just fell off"
"That's another feature!"
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