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|  MIL-G-18853C(OS)
3.4 Operating life. The operating life of the rate gyro shall be
1000 cycles minimum at 10 minutes per cycle when operated as specified
in 3,5.1 and 3.5.4.
3.5 Power requirements.
3.5.1 The rate gyro motor shall operate from a 115 \t 5.75 volt, 400
8 Hz, single-phase power source.
3.5.2 The rate gyro motor maximum starting power shall be 25 watts.
3.5.3 The rate gyro running power shall be 5 watts maximum.
3.5.4 The rate gyro microsyn shall operate from a 55 2.75 volt,
400 8 Hz, single-phase power source.
3.5.5 The microsyn input current shall be 21 3.15 milliamperes (ma).
3.6 Environmental requirements. The rate gyro shall meet the other
applicable requirements of this specification during or after the tests
defined or specified in Section 4.
3.6.1 Vibration.
The rate gyro shall meet the following vibration
requirements:
3.6.1.1 Vibration, nonoperating. The rate gyro shall show no damage
and shall meet all the performance requirements and product character-
istics of this specification after being tested as in 4.6.1.1.
3.6.1.2 Vibration, operating. The rate gyro shall show no damage and
shall meet all the performance requirements and product characteristics
of this specification during and after the test specified in 4.6.1.2.
3.6.2 High temperature and humidity, nonoperating. The rate gyro,
less pack and packaging, shall show no damage and shall meet all the
performance requirements and product characteristics of this specifi-
cation after being tested as in 4.6.2.
3.7 Cleanup. Prior to and after final assembly, all parts, com-
ponents, and the assembly shall be thoroughly cleaned of loose, spat-
tered, or excess solder, metal chips, and other foreign matter. All
burrs, sharp edges, and rosin flash shall be removed.
3.8 Workmanship. The rate gyro, including all parts and acces-
sories, shall be constructed and finished in a manner to assure com-
pliance with all the requirements of this specification. Particular
attention shall be paid to neatness and thoroughness of soldering,
wiring, impregnation of coils, marking of parts and assemblies, plating,
painting, machine-screw assemblage, and freedom of parts from all burrs
and sharp edges. The standards of workmanship exhibited in any approved
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