Ping Pong Ball Launcher With Rubber Band

The problem turned out to be with the positioning of the rubber bands in the paper clips on the inside tube.

Ping pong ball launcher with rubber band.

Make it an experiment. Cardboard or plywood makes a good target. If the clothespin is to weak to hold the rubber band wrap another rubber band around the gun to strengthen it. We had a long arm with a rubber band hooked up to poles at the end of the arm for tentioning the rubber band with.

You can get a clean release with the bead which prevents taking energy away from the rubber bands. Load a pingpong ball and you re ready to launch. This is a piece of pvc. Don t forget to wear safety goggles.

It s screwed on to this extruded aluminum piece. Remember to check the diameter of your ping pong balls before making this gun. The other is that the bead strikes the lid when you release it which causes the rubber bands to come to an abrupt stop releasing the ping pong ball. And that causes the bar to stop so that the ping pong ball is released.

Client company. Now i am a successful ping pong ball launcher. Mine where 3 5 cm or 35 mm but i also saw 4 cm or 40 mm ping pong balls in a store. And then if you look over here we have a stop that s a 5 16 bolt.

Put your ping pong ball launcher together. This is 3 4 inch extruded aluminum and it s connected with a 8 32 by 1 and 1 2 inch machine screw. These will ofcourse not fit in the 3 5 cm compartments of your gun so you should take the second plan with holes for the 4cm ping pong ball. Loop a 64 rubber band through each hold on the ping pong ball holder and then loop it through itself so it is securely attached.

The rubber band needs to be placed so that the clip lies flat against the tube. The engineering fair is an engineering competition having bridge building eiffel tower electric motor essay ping pong ball launcher rubber band powered vehicle and wacky wonder works contests. Ping pong robot with 36 different spin balls automatic ball launcher table tennis robots ball machine for ping pong practicing training exercise 4 4 out of 5 stars 3 515 99 515. The ping pong projector.

This would be a great project to do with a class or a group. And we had a track on the arm that the ping pong ball ran on for launching. How we changed the design.