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Air Cycle Air Conditioning Systems for Air Vehicles

AC-9 Aircraft Environmental Systems Committee
  • Aerospace Standard
  • AS4073B
  • Current
Published 2019-08-20 by SAE International in United States

This SAE Aerospace Standard (AS) defines the requirements for air cycle air conditioning systems used on military air vehicles for cooling, heating, ventilation, and moisture and contamination control. General recommendations for an air conditioning system, which may include an air cycle system as a cooling source, are included in MIL-E-18927E and JSSG-2009.

 
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Hybrid Ultra-Low VOC and Non-HAP Rain Erosion Coatings

Aerospace & Defense Technology: August 2019

  • Magazine Article
  • 19AERP08_12
Published 2019-08-01 by SAE International in United States

Developing a rapid-curing rain erosion coating based on a unique glycidyl carbamate (GC) hybrid resin chemistry that offers rapid reactivity and adhesion combined with the erosion, flexibility, weathering and mechanical properties of polyurethane systems.

Numerous military aircraft and shipboard surfaces, such as radomes, antennas, gun shields, wing leading edges, and helicopter blade leading edges, are coated with a specialized erosion-resistant protective coating possessing strict performance requirements. These protective coatings must provide excellent rain erosion resistance, superior mechanical properties, good adhesion to the substrate and meet a host of other metrics outlined in MIL-PRF-32239 and SAE AMS-C- 83231A.

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Pathfinder Radar ISR and SAR Systems: Tactical Eyes for the Warfighter

Aerospace & Defense Technology: August 2019

  • Magazine Article
  • 19AERP08_06
Published 2019-08-01 by SAE International in United States

Sandia National Laboratories' (Albuquerque, NM) Radar Intelligence, Surveillance and Reconnaissance (ISR) systems enable a new product paradigm in radar capabilities and modalities. With the ability to shrink sensor size, increase resolution, raise image quality, and advance real-time onboard processing, Sandia has been producing next-generation systems for nearly three decades. Sandia specializes in the full system design of Synthetic Aperture Radar (SAR), Ground Moving Target Indicator (GMTI), target recognition, and other sensor systems for the Department of Defense, other government agencies, and industry partners.

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Electromechanical Actuators Specification Guide

A-6B3 Electro-Mechanical Actuation Committee
  • Aerospace Standard
  • ARP5754
  • Current
Published 2019-06-10 by SAE International in United States
This Aerospace Recommended Practice (ARP) provides general characteristics, requirements, and design data to be recommended for inclusion in a procurement technical specification of an electromechanical actuator (EMA), including its control and monitoring.
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Modified USAF T-1A Aircraft

  • Magazine Article
  • TBMG-34538
Published 2019-06-01 by Tech Briefs Media Group in United States

Field Aerospace Oklahoma City, OK 405-219-3400

 

U.S. Army Aeromedical Research Laboratory

  • Magazine Article
  • TBMG-34636
Published 2019-06-01 by Tech Briefs Media Group in United States

In October 1962, the U.S. Army Aeromedical Research Unit was established with a goal of providing specialized medical and physiological support to help close the gap between Army combat aviation needs and human capabilities, and to protect aviators from altitude, climate, noise, acceleration, impact, and other stressors in a growing hostile environment. In 1969, the Army re-designated the unit as the U.S. Army Aeromedical Research Laboratory (USAARL).

 

Clamp Selection and Installation Guide

G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
  • Aerospace Standard
  • ARP1897A
  • Current
Published 2019-05-20 by SAE International in United States
This document is prepared as an aid in the selection of clamping devices and their use in aerospace equipment for the installation and support of tubing and wiring. For recommended installation practices, refer to ARP994.
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Allied Aircraft Piston Engines of World War II, 2nd Edition

Graham White
  • Book
  • R-478
Published 2019-05-16 by SAE International in United States

Allied Aircraft Piston Engines of World War II, now in its second edition, coalesces multiple aspects of war-driven aviation and its amazing technical accomplishments, leading to the allied victory during the second world war.

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Study of Wrenching Engagement on AS870C Double Hexagon (12 Point) Fasteners

EG-1B Hand Tools Committee
  • Aerospace Standard
  • AIR1936A
  • Current
Published 2019-05-10 by SAE International in United States
This study addresses the adequacy of sockets, wrenches, and torque adapters conforming to AS954 to wrench 12 point fasteners with wrenching configurations conforming to AS870C. Reported wrenching problems with smaller sizes are investigated through examining the combined tolerances on the fasteners and wrenches, conducting torque testing on typical high strength lock nuts. Possible solutions to correct these wrenching problems are presented.
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Aircraft Flexible Tanks General Design and Installation Recommendations

AE-5A Aerospace Fuel, Inerting and Lubrication Sys Committee
  • Aerospace Standard
  • AIR1664A
  • Current
Published 2019-05-07 by SAE International in United States
This SAE Aerospace Information Report (AIR) includes general information about the various types and styles of flexible tanks and the tank-mounted fittings that adapt the tank to the surrounding structure and fluid-system plumbing. Recommendations are given relative to the dimensional layout of the tank when these recommendations serve to avoid tank fabrication problems and tank/structure interface problems. As a part of these recommendations, critical dimensions of plumbing adapter fittings are discussed and recommendations made. Tank manufacturing tolerances are given. Recommendations are made relative to cavity design and preparation to facilitate a reliable installation. The special installation requirements of nonself-sealing, self-sealing, and crash-resistant tanks are discussed. This document is not intended to replace the information or requirements of the military and commercial procurement specifications listed in Section 2. No attempt has been made, except in a very general way, to include physical property data such as weight and thickness of the composite materials available in the industry. Such materials are too numerous and vary too much between manufacturers. Whenever specific data or advice is required, it…
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