Tennis Ball Thrower
grabcad
Inspired by other home made tennis ball throwers I decided to make my own! Currently it's single speed but the ball feeder timing is manually adjustable. Cost about $180 minus the extrusion and raw materials. All red components 3D printed ABS. Shoots 35-40 balls. I get about 140 balls with one Ryobi Lithium-ion P102 1300mAh battery.Wheels = 125mm PUThrow wheel motors = 775 24v 7,000rpmHopper rotator motor = Uxcell 12v 2rpm gearmotorThe .igs is a bit slow in the 3D preview so I added a .sldprt version of the assembly.Video in action on youtube:
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