Ping Pong Ball Launcher With Rubber Band

This is 3 4 inch extruded aluminum and it s connected with a 8 32 by 1 and 1 2 inch machine screw.

Ping pong ball launcher with rubber band.

The ping pong projector. 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. You can get a clean release with the bead which prevents taking energy away from the rubber bands.

How we changed the design. Now i am a successful ping pong ball launcher. It s screwed on to this extruded aluminum piece. 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.

If the clothespin is to weak to hold the rubber band wrap another rubber band around the gun to strengthen it. Mine where 3 5 cm or 35 mm but i also saw 4 cm or 40 mm ping pong balls in a store. Putting your ping pong ball launcher together is pretty easy once you have all the pieces hammered in. The problem turned out to be with the positioning of the rubber bands in the paper clips on the inside tube.

The future city competition is a national project based learning experience where middle school students imagine design and build. This is a piece of pvc. 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. And that causes the bar to stop so that the ping pong ball is released.

This would be a great project to do with a class or a group. 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. Don t forget to wear safety goggles. And we had a track on the arm that the ping pong ball ran on for launching.

Make it an experiment. 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. And we have a. Put your ping pong ball launcher together.

And then if you look over here we have a stop that s a 5 16 bolt. 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. Client company.