Directional Gyro                                                                                                     
Aircraft Instruments
GD023 DIRECTIONAL GYRO-ELECTRIC

It is used to indicate heading of an aircraft.

Specification and performance:
Indicating heading angle: within the range of 360°
Accuracy: The drift error is not more than 4°/10min.
Operating current: not more than 0.72A;
Rated rotating speed: 22000 turns per min, warns when power-off or the
rotating speed is below 70% of the rated rotating speed;
Insulating Resistance between the power and case: not less than 20MΩ;
Work normally when operating voltage is inputted 3 min; and rotor stars
working when 80% operating voltage is inputted;
Operating voltage: 14 ±1%V DC
Working temperature: -40 ~ +50°C
Relative humidity: It can reach 95% at 20 ± 5°C;
Vibration Strength: not more than 1.5g
It is in accordance with orders of TSO-C4c.
GD031 DIRECTIONAL GYRO-VACUUM

It is used to indicate heading angle of an aircraft.

Specification and performance:
Air-pressure for operation: 15 ~18KPa, vacuum or air pressure
Air-pressure for starting: 7KPa
Working temperature: -30 to +50°C
Relative humidity: 0-95%
Vibration strength: Not more than 1.5g
Working range: Banking angles is within the range of ±70°, indicating
heading angle within the range 360°;
Accuracy: The drift error is not more than 4°/10min.
It is in accordance with the orders of TSO-C5c
Weight: less than 1Kg
Size: 3-1/8"
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