Build A 300-MPH Ping-Pong Cannon | Popular Science
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Rocco Barletta on Twitter: "Well our @PLTWorg Ping Pong Ball Launcher prototype is now complete. @stms_pirates Ss were able to launch a ball over 30' using @VEXRobotics. This device uses a compound
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Make a Ping Pong Cannon - Easy and Safe - YouTube
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