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National Stock Number:
1650-01-357-1182
Federal Supply Class:
1650
National Item Identification Number:
013571182
Description:
POWER UNIT,RAM AIR,EMERGENCY
Detail:
A DEVICE WHICH INCLUDES A TURBINE, GOVERNOR, SPEEDSENSING DEVICE, AND A GEAR BOX. ITS POWER SOURCE IS RAM AIR. IT IS DESIGNED TO PRODUCE A PREDETERMINED OUTPUT SHAFT SPEED TO OPERATE A HYDRAULIC PUMP AND/OR AN ELECTRIC GENERATOR DRIVE, WHICH FURNISHES EMERGENCY POWER TO AIRCRAFT IN CASE OF HYDRAULIC AND/OR ELECTRICAL SYSTEM FAILURE. THE UNIT MAY INCLUDE THE PUMP AND/OR THE GENERATOR. FOR ITEMS WHICH PROVIDE POWER DURING NORMAL AIRCRAFT OPERATION, SEE DRIVE, CONSTANT SPEED (AS MODIFIED).
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Manufacturer Information:
| 241970 | 86845 | THE MARQUARDT COMPANY |
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Techincal Specification:
| GENERAL CHARACTERISTICS ITEM DESCRIPTION | RAM AIR TURBINE IS MOUNTED ON THE NOSE SECTION OF THE STORE; IT IS A PROPELLER TYPE RAM AIR DRIVEN POWER SOURCE FOR THE HYDRAULIC PUMP; THE TURBINE HAS A MECHANICAL FEATURE WHICH GOVERNS ITS SPEED FROM 3600 TO 5000 RPM; TURBINE HAS FOUR SYMMETRICALLY ARRANGED BLADE ASSYS POWERING A COMMON SHAFT; AN EXTERNAL SPLINE MATES WITH THE HYDRAULIC PUMP; SIX THREADED TURBINE STUDS PROVIDE MOUNTING THROUGH THE NOSE SECTION CASTING AND HYDRAULIC PUMP |
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