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Standard

SELECTION AND APPLICATION OF RELAYS FOR PROPER PERFORMANCE

1989-04-28
HISTORICAL
ARP4005
This Aerospace Recommended Practice (ARP) provides information to guide the selection of electromechanical relays in both electrical and electronic circuits and their application in aerospace, ground, and shipboard systems to achieve proper performance.
Standard

DESCRIPTION OF ACTUATION SYSTEMS FOR AIRCRAFT WITH FLY-BY-WIRE FLIGHT CONTROL SYSTEMS

1989-04-28
HISTORICAL
AIR4253
This AIR provides a description of representative state-of-the-art, fly-by-wire (FBW) actuation systems used in flight control systems of manned aircraft. It presents the basic characteristics, hardware descriptions, redundancy concepts, functional schematics, and discussions of the servo controls, failure monitoring, and fault tolerance. All existing FBW actuation systems are not described herein; however, those most representing the latest designs are included. While this AIR is intended as a reference source of information for future aircraft actuation system designs, the exclusion or omission of any other appropriate actuation system or subsystem should not limit consideration of their use on future aircraft.
Standard

Nickel Alloy, Corrosion and Heat Resistant, Welding Wire 80ni 20cr

1989-04-01
HISTORICAL
AMS5676C
This specification covers a corrosion and heat resistant nickel alloy in the form of welding wire. This wire has been used typically for use as filler metal for gas-tungsten-arc or gas-metal-arc welding of parts, fabricated from similar or dissimilar corrosion and heat resistant alloys, requiring joints with strength and corrosion resistance comparable to those of the basis metal, but usage is not limited to such applications.
Standard

Aluminum Alloy, Rolled or Cold-Finished, Bars, Rods, Wire, and Flash Welded Rings, Annealed, 1.0Mg - 0.60Si - 0.28Cu - 0.20Cr (6061-0)

1989-04-01
HISTORICAL
AMS4115E
This specification covers an aluminum alloy in the form of rolled or cold-finished bars, rods, and wire, of flash welded rings, and of stock for flash welded rings. These products have been used typically for parts requiring moderate strength, especially where such parts require brazing or welding during fabrication, but usage is not limited to such applications.
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