TB 43-0117
Mark 27 Mod 1
Power Converter (used when ship's power is 115
1. Brief Description: The MK-27 gyrocompass system
volts AC)
contains a gyroscope which is controlled to make it seek
Switching Unit
true north, using properties of the gyroscope in
combination with rotation of the earth and the effect of
2. Applicable Tools and Test Equipment: Not define
gravity. The basic Mark 27 Mod 1 gyrocompass system
consists of the following components:
at the time of this printing
Master Compass
Electronic Control
3. Applicable Publications: Commercial literature.
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