"> Raytheon Anschütz / Wärtsilä (Germany) Standard 22 / Horizon Gyrocompass
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Raytheon Anschütz / Wärtsilä (Germany)

Standard 22 / Horizon Gyrocompass

Raytheon Anschütz Standard 22 is the most widely distributed gyrocompass on ocean-going vessels worldwide. Built since 1990 in various variants. The newer Horizon series uses fiber-optic gyroscope technology (FOG) without rotating mass — lower maintenance and less vibration-sensitive. Anschütz developed the first marine gyrocompass in 1908 and has dominated the market since then.

Heading Reference
Capacity
24V DC / 115V AC
Voltage
Gyroscopic Heading Reference
Medium

Components & Design

Component data being added…

Technical Data

type Gyrocompass (Mechanical / Fibre-Optic)
variant count approx 3
period start year 1990
drive type Electric
construction Spinning mass gyro (Standard 22) / Fibre-Optic (Horizon)

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Common failures & inspection points

●Spinning mass gyro bearing wear after 40,000+ hrs (mechanical)
●Follow-up system motor failure
●Heading settling time excessive after power interruption
●Fibre-optic coil degradation from vibration (FOG models)
●Compass card repeat signal failure

Service & Maintenance

Spinning mass gyro: bearing replacement every 40,000-60,000 hrs. Follow-up system check quarterly. Heading error check vs. celestial/GPS monthly. Annual survey.

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Replacement Parts

Wärtsilä Voyage (Kiel). Gyro rotor assembly: 6-10 weeks. Follow-up motor: 3-5 weeks.
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Equipment Model #37920 · ✓ still in production