Long life, reliability and responsive performance are all said to be key characteristics of the PowerTrac servodisc motor, which features a slotless design with an integral gearbox. Operating on both 24 and 36 Vdc for battery operation, the motor delivers continuous output power from 100W to 500W.
The motor's slotless design provides many benefits when compared to conventional dc motors. In a servodisc motor, the armature winding is a stamping with conductors of square cross-sections. There is no iron in the armature and no armature slots. This construction gives the motor a high copper density and also a low rotating mass. A high copper density increases the torque of the motor for a given motor volume. The motor provides zero cogging for smooth operation and offers low noise and a flat profile for a compact package size. The direct drive hub design allows wheels to be mounted directly to the hub or molded with a urethane tire.
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