Centrifugal motor

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Centrifugal motor of Soviet design (approx. 1970) for three-phase current 3 × 36 V / 400 Hz. The entire housing rotates - the threaded pipe with the supply lines is used for fastening. Balancing bores can be seen on the conical parts of the rotor .

Gyroscope motors are high-speed gyroscopes as a central component of the gyro compass , the artificial horizon and gyroscopes .

Centrifugal motors are external rotors with ball bearings that used to be operated with direct current , but mostly with 400 Hz three-phase current as asynchronous motors . In the latter case, the speed is approx. 22,500 min −1 , i.e. slightly less than the synchronous speed of 24,000 min −1 . Centrifugal motors in the artificial horizon of aircraft are sometimes also powered by an air-powered turbine.

Centrifugal motors only serve to stabilize their axis of rotation in space and therefore have no output, the highest possible speeds, low bearing friction and a large rotational moment of inertia of the rotor.

Due to the high speeds, the motors are subject to bearing wear, which, for example, made maintenance flights to the Hubble space telescope necessary to replace its gyroscopes.

Gyroscopic motors can partially be replaced by the non- wearing fiber-optic or laser-based gyroscopes that work without moving parts .

See also