1. SCOPE:

This SAE Aerospace Information Report (AIR) has been compiled to provide information on hydraulic systems fitted to the following categories of military vehicles.

•Attack Airplanes

•Fighter Airplanes

•Bombers

•Anti-Sub, Fixed Wing Airplanes

•Transport Airplanes

•Helicopters

•Boats

1.1 Purpose:

The purpose of this document is to provide hydraulic system information to military vehicle system and component designers in order to assist them in future aircraft fluid power system designs.

The information provided in this Information Report may be used to find similar type systems, components and materials which will in turn help solve specific problems and lower costs.

1.2 Field of Application:

•Design requirements: Procurement Specifications

•System pressure: Fluid power system operating pressure

•Hydraulic fluid: Type of fluid system is designed for

•No. of hydraulic systems: No. and ID of independent hydraulic systems

•System temperature: Minimum and maximum operating temperatures

•Main hydraulic pump: Flow, pressure, displacement

•Backup pump data: System auxiliary pump or backup pump data

•Hydraulic motor data: System hydraulic motor requirements

•Accumulator data: Usage, volume and precharge requirements

•Reservoir data: Type, volume and pressure

•Relief valve data: Usage, crack and reseat press, rated flow

•Filtration: Usage, filtration rating

•Tubing data: Materials, sizes, wall thickness

•Fitting data: Type, size range, material

•Schematic block diagram: System architecture, services supplied

•Power circuit schematic: Detail schematic of power system

•Heat exchangers: Cooling medium

•Hand pump data: System hand pump data

•Miscellaneous: Quiescent flow, seal material, etc.