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.
Damaged juggling balls
I built this shooting device from red oak. On the left, near the magnets, I placed brass fittings and on the right I put steel nuts and bolts near the joint.
For "ammunition" I used juggling balls.
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.
Note from the supermagnete team: If you want to build this device with our magnets, we recommend two S-30-15-N disc magnets or also S-30-10-N.

Have you found an interesting use for our super magnets? Send us a description! If we publish it on our website, you will receive a supermagnete voucher with a value of EUR 30. Further Information

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