Applications
[212] Catapult
Author: Rob Gallagher, United States
Hobbyists can now re-enact battles of the ancient world!
Unlike poles attract each other, like poles repel - and this repulsion can be used, like for instance with this catapult.
After watching a history movie about the siege of the Masada fort by the Roman army, I also wanted to build a catapult.
For this purpose, I used the strong repulsion of two 2x1 inch disc magnets.
Video, 6.1 MB
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The catapult shoots the juggling balls about 3 meters away! As you can see on the picture, the balls burst due to the strong impact.
I had a lot of fun with this little project.
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