Electromagnetic Ring Accelerator

2021-01-17

[public] 318K views, 4.83K likes, dislikes audio only

In this video i show how to use an electromagnet with an optical sensor to continuously accelerate ferromagnetic / magnetic spheres around a circular track.

A 12V LiPo battery supplies power to a driver board that energizes a 300-turn coil when a sphere approaches, causing it to accelerate into the center of the coil. I've successfully run the device with up to 3 spheres at a time.

The electromagnet is far more powerful against a magnetic sphere, but much more erratic and unpredictable, and the sphere tends to stop suddenly after a few rotations.

STL files:

https://www.thingiverse.com/thing:4918703

Music:

Kevin MacLeod - George Street Shuffle

Heatley Bros - Dimension Drift