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Originally Posted by xForceDee
That looks like an awesome shooter! Great job guys! It was one design I initially had doubts about after hearing about teams popping balls. I guess I was wrong. To the OP or any team with a similar design, what steps or considerations were taken to mitigate or completely remove this problem? I notice the tread material, but what else? How much compression do the wheels put on the ball? What RPM? ETC... I am curious how some teams achieve these results while others just destroy the game piece.
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We figured out that we only rip the ball if we let the wheels touch the ball before we are firing so I made a metal bracket that prevents the wheels from touching the ball unless we are firing. The material on the wheels is also important but I don't think as critical. We compress the ball about 2 inchs I believe, and the rpm for 18ft is 1750. We can shoot at 30+ft if we increase the speed of our shooter. A lot of our energy comes from our wheels weight which gets converted into momentum while requiring less speed. (p=mv)