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This AIR provides information about the specific requirements for missile hydraulic pumps and their associated power sources.
The intent of this specification is for the procurement of 7781 glass fabric epoxy prepreg product with 250 °F (121 °C) cure for aerospace applications; therefore, no qualification or equivalency threshold values are provided. Users that intend to conduct a new material qualification or equivalency program must refer to the production quality assurance section (see 4.3).
This SAE Aerospace Information Report (AIR) developed by a broad cross section of personnel from the aviation industry and government agencies is offered to provide state-of-the-art information for the use of individuals and organizations designing new or upgraded turboshaft engine test facilities. This document is also applicable to turboprop engines tested with a dynamometer as load absorption device, as they are basically tested as turboshaft engines. For propeller-equipped turbofan testing facilities design considerations, see 2.1.7.
The purpose of this SAE Aerospace Information Report (AIR) is to provide management, designers, and operators with information to assist them to decide what type of power train monitoring they desire. This document is to provide assistance in optimizing system complexity, performance, and cost effectiveness. This document covers all power train elements from the point at which energy in a turbine or electric engine is converted via a gear train to mechanical energy for propulsion purposes. The document covers aircraft engine driven transmission and gearbox components, their interfaces, drivetrain shafting, drive shaft hanger bearings, and associated rotating accessories, propellers, and rotor systems as shown in Figure 1. For guidance on monitoring additional engine components not addressed herein (e.g., main shaft bearings and compressor/turbine rotors), refer to ARP1839. This document addresses rotary and fixed wing applications for rotor, turboprop, turbofan, prop fan, and lift fan
This specification covers extruded polytetrafluoroethylene (PTFE) in the form of flexible tubing.
This specification covers a silicone (VMQ) rubber in the form of sheet, strip, tubing, molded shapes, and extrusions.
This specification covers a stable, noncorrosive, water-soluble, highly-penetrating, fluorescent solution which may, but need not, be diluted with an appropriate amount of water for use.
This specification covers a corrosion-resistant steel in the form of laminated sheet.
This specification covers an unfilled polyamide-imide plastic in the form of molded or extruded bar, rod, and shapes. This is designated as Grade 2 material per AMS3670.
This specification covers polyfluoroethylenepropylene in the form of film and sheet 0.020 inch (0.51 mm) and under in nominal thickness.
This specification covers a glass-roving-filled silicone resin in the form of compression moldings or transfer moldings.
This specification covers a glass-cloth-reinforced thermosetting resin in the form of laminated, pressure-bag or matched-die moldings.
This specification covers a nickel in the form of round wire and rectangular ribbon.
This specification covers one type of continuous multifilament carbon fibers in the form of a tow or yarn (when twisted). The weight per unit length of the tow or yarn is governed by the filament count which is identified by the supplier's grade or material designation.
This specification covers a precipitation hardenable, corrosion- and heat-resistant nickel alloy in the form of seamless tubing 0.125 inch (3.18 mm) and over in nominal OD and 0.015 inch (0.38 mm) and over in nominal wall thickness.
This specification covers a corrosion-resistant steel in the form of seamless and drawn or welded and drawn tubing.
This specification covers one type of organic fiber in the form of roving. The product shall be formed as four ends of 1140 denier (1270 d tex) yarn (AMS3901/3) collected into an approximately parallel arrangement without twist.
This specification covers one type of organic fiber in the form of yarn. The product shall be formed as a multiplicity of filaments drawn together and gathered into an approximately parallel arrangement.
This specification covers one type of epoxy-resin-impregnated, non-woven, glass fiber in the form of tape for hand or machine layup and of flat sheet.
This specification covers a corrosion and heat resistant steel in the form of seamless tubing.
This specification covers one type of organic fiber in the form of yarn. The product shall be formed as a multiplicity of filaments drawn together and gathered into an approximately parallel arrangement.
This SAE Aerospace Recommended Practice (ARP) applies to landing gear structures and mechanisms (excluding wheels, tires, and brakes and other landing gear systems) for all types and models of civil and military aircraft. All axles, wheel forks, links, arms, mechanical and gas/oil shock struts, downlock and uplock assemblies, braces, trunnion beams, and truck beams, etc., that sustain loads originating at the ground, and that are not integral parts of the airframe structure, should be designed and validated in accordance with this document. Hydraulic actuators (retraction, main and nose gear steering, positioning, damping, etc.) should also be included in this coverage. System level, non-structural components such as retraction/extension valves, controllers, secondary structure and mechanisms in the airframe (e.g., manual release mechanisms, slaved doors) as well as equipment that is located in the cockpit are not addressed in this ARP.
This specification covers one type of continuous multifilament carbon fibers in the form of a tow or yarn (when twisted). The weight per unit length of the tow or yarn is governed by the filament count which is identified by the supplier's grade or material designation.
This specification covers one type of continuous multifilament carbon fibers in the form of a tow or yarn (when twisted). The weight per unit length of the tow or yarn is governed by the filament count which is identified by the supplier's grade or material designation.
This specification covers one type of continuous multifilament carbon fibers in the form of a tow or yarn (when twisted). The weight per unit length of the tow or yarn is governed by the filament count which is identified by the supplier's grade or material designation.
This specification covers one type of organic fiber in the form of yarn. The product shall be formed as a multiplicity of filaments drawn together and gathered into an approximately parallel arrangement.
This specification covers molded or extruded bar, rod, and shapes produced from a polyamide-imide polymer filled with 30% carbon fiber. This is designated as Grade 5 material per AMS3670.
This specification covers a corrosion- and heat-resistant nickel alloy in the form of sheet and strip up to 0.187 inch (4.75 mm) thick, inclusive, and plate up to 4.000 inches (101.6 mm) thick, inclusive.
This specification covers an unfilled, room-temperature-polymerizing epoxy resin formulation with a polyamide hardener, supplied as a two-component system.
This specification covers one type of polyethylene film in the form of rolls of sheeting or reels of unperforated tape of the width specified.
This specification covers one type of carbon fiber in the form of tow.
This specification covers one type of epoxy-resin-impregnated carbon fibers in the form of tape and sheet.
This specification covers a corrosion- and heat-resistant nickel alloy in the form of seamless tubing 0.125 inch (3.18 mm) and over in nominal OD with nominal wall thickness 0.015 inch (0.38 mm) and over.
This specification covers a corrosion-resistant steel in the form of wire.
This specification covers a corrosion- and heat-resistant nickel alloy in the form of bars 3.00 inches (76.2 mm) and under in nominal diameter, thickness or for hexagons least distance between parallel sides, forgings, flash welded rings 3.00 inches (76.2 mm) and under in nominal radial thickness, and stock of any size for forging, flash welded rings, or heading (see 8.5).
This specification covers a corrosion- and heat-resistant steel in the form of bars, wire, forgings, mechanical tubing, flash-welded rings, and stock for forging or flash-welded rings.
This specification covers a corrosion-resistant steel in the form of bars and wire 0.75 inch (19 mm) and under in nominal diameter or distance between parallel sides (thickness).
This specification covers an aluminum alloy in the form of hand forgings 8 inches (203 mm) and under in nominal thickness and of forging stock (see 8.6).
This specification covers an aluminum alloy in the form of sheet and plate 0.020 to 2.000 inches (0.51 to 50.80 mm), inclusive, in nominal thickness, supplied in the annealed (-O) condition (see 8.3). When specified, product shall be supplied in the “as fabricated” (-F) temper.
This specification covers an aluminum alloy in the form of die forgings and hand forgings up to 6.000 inches (152.40 mm) in nominal thickness at the time of heat treatment (see 8.6).
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