With the motor exposed, gently brush away dust and rotate the motor shaft.

They have no direct connection between the motor shaft and the impeller, so no gland is needed.

The product between these two fields gives rise to a force, and thus a torque on the motor shaft.

The force between the two magnetic fields tends to rotate the motor shaft.

A similar type of slot car which has the motor shaft mounted at an angle to the driven axle is the Anglewinder.

The tape is driven directly by the motor shaft, without intervening belts and gears.

Step 4: Check whether the motor shaft needs lubrication.

Step 2: Turn the motor shaft or beater bar by hand.

Step 3: Rotate the motor shaft a few revolutions by hand.

One dog is fixed to the motor shaft and the other to the pump shaft.