Homopolar DC motor

Written by: techguru

To understand the theory of electromagnetic motors. watch opening 3 minutes of this video

Components Used:

10 mm x 2mm circular neodymium magnets. (5pcs)

AA Battery (1pcs)

0.8mm laminated copper wire

Tools used:

Sandpaper sheet

Lighter

Pliers

Step 1: Trace out the shape of the wire

Picture of Trace out the shape of the wire

Dimensions

overall 8 cm high 4 cm wide

Step 2: Fold the wire to the traced out shape

Picture of Fold the wire to the traced out shape

Also if necessary fold the bottom leads inwards to keep the wire wrapped around the magnet stack

Step 3: Dent the battery top, sandpaper the contact points

Step 4: Place the wire rotor on the battery and watch the motor go!

Leave a Reply