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    RE: Ping-Pong Ball Shooter —Skye Sweeney
   Exactly, Hot wheels uses the idea as well as those machines that shoot tennis or baseballs for practice. The baseball ones use a boat trailler wheel driven by an electric motor. Just make sure the spinning wheel has a large mass to keep its speed up (...) (25 years ago, 12-Jan-00, to lugnet.robotics)
 

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