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Pandect Precision Components Ltd

Gimballed Avionic Instruments and Gyroscopes

gimballed-instruments.jpg

A set of brushes in contact with a set of slip rings exerts a torque on the slip rings. In some applications like a military turret the torque available to turn the turret is many orders of magnitude greater than the resistive torque of a slip ring, so the slip ring’s torque does not matter. However, the opposite is the case with gimballed instruments so in this application the toque exerted on the rings by the brushes has to be designed to be a minimum.