April 17th 2019
Upgrade on a pingpong ball cannon
The ping pong cannon has been amazing for teaching and learning. Not only to teach about pressure and momentum, newtons laws, but to impress the kids too. I decided a transparent version would go down well in the class room.
Creating the flanges was a little fun without the correct tool. But once I purchased the right drill adapter (found here), I had no problems at all.
These flanges make it so much easier when fitting tape and keeping a tight seal for the vaccuum.
I found the minimum use of tape the faster the ping pong ball.
The bells and whistles
Just for fun I produced a holder. I found buffering it made the cuts transparent making the whole cannon completly transparent.
The finally ...
What made this project all worth while was the fact the light gates shine through the plastic. ! this meant we can measure the speeds!