Part Number
Part Number:
NSN:
NIIN:
Item Name:
SERVOMOTOR , AUTOMATIC PILOT
Definition:
A COMPONENT OF AN AUTOMATIC PILOT DESIGNED TO CONVERT SIGNALS RECEIVED FROM THE FLIGHT CONTROLLERS INTO MECHANICAL MOTION FOR ACTUATING AIRFRAME CONTROL SURFACES. IT INCORPORATES ITS OWN BRAKING MECHANISM, REVERSING MECHANISM, OVERPOWER CLUTCH, CABLE DRUM, AND A FOLLOW-UP CIRCUIT FOR RETURNING THE MECHANISMS TO A NEUTRAL POSITION. SEE ALSO MOTOR, CONTROL.
CAGE Information
| Code | Company |
|---|---|
| 80058 | JOINT ELECTRONICS TYPE DESIGNATION S |
Federal Supply Class
Title
AUTOMATIC PILOT MECHANISMS AND A
Inclusions:
INCLUDES AUTOMATIC PILOT REGULATORS; DIRECTIONAL, VERTICAL, BANK AND TURN, AND HYDRAULIC SURFACE GYRO CONTROLS; AIRBORNE AND SHIPBORNE AUTOMATIC PILOT MECHANISMS; HELICOPTER AUTOMATIC STABILIZATION EQUIPMENT.
Exclusions:
EXCLUDES AUTOMATIC PILOT TRAINING DEVICES (FSC 6930); AND AUTOMATIC PILOT MECHANISMS, GUIDED MISSILE (FSC 1420).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AGAV | END ITEM IDENTIFICATION | C-135 AIRCRAFT |
| ELEC | VOLTAGE IN VOLTS | 26.0 |
| FTLD | FUNCTIONAL DESCRIPTION | AN AUTOMATIC FLIGHT CONTROL SYSTEM POWER UNIT; WHEN COUPLED WITH THE SERVO DRUM AND BRACKET, IT CONTROLS AIRCRAFT ELEVATOR AND AILERON SURFACE POSITIONS; THE SERVO MOTOR TRANSLATES ELECTRICAL INPUTS INTO ROTATIONAL MECHANICAL OUTPUTS TO DRIVE A SERVO DRUM AND BRACKET; ALSO PROVIDES POSITION AND RATE FEEDBACK SIGNALS FOR AUTOMATIC ADJUSTMENT OF AIRCRAFT CONTROL SURFACES |
| ABMK | OVERALL WIDTH | 5.980 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | ELECTRICAL REQUIREMENTS 28 VDC CLUTCH ASSEMBLY AND MOTOR TACH GENERATOR; GEAR TRAIN RATIO (POWER RATIO) 69.8:1, (SYNCHRO RATIO) 151.2:1; CONSISTS OF A BIDIRECTIONAL DC MOTOR TACH GENERATOR, SYNCHRO, CLUTCH ASSEMBLY AND LEAD ASSEMBLY; THE MOTOR TACH GENERATOR AND LEAD ASSY ARE EXTERNALLY MOUNTED ON A CAST ALUMINUM HOUSING ASSY; THE HOUSING ASSY CONTAINS A BEARING SUPPORTED GEAR TRAIN |
| ACDC | CURRENT TYPE | AC |
| ABFY | OVERALL DEPTH | 3.840 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 4.165 INCHES NOMINAL |
| FREQ | FREQUENCY IN HERTZ | 400.0 |