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Aircraft Tail Bumpers

This SAE Aerospace Information Report (AIR) covers the field of civilian, commercial and military airplanes and helicopters. This summary of tail bumper design approaches may be used by design personnel as a reference and guide for future airplanes and helicopters that require tail bumpers. Those described herein will consist of simple rub strips, structural loops with a wear surface for runway contact, retractable installations with replaceable shock absorbers and wear surfaces and complicated retractable tail landing gears with shock strut, wheels and tires. The information will be presented as a general description of the installation, its components and their functions.

On-Demand: Flight Sciences

This session is seeking papers and presentations for the following topics: Autonomous Vehicles & Systems, Air Taxis & Systems, Electric Aircraft, Multi-Modal Mobility Flying Cars & Systems, Next-Generation Vehicles & Systems, Spacecraft & Satellites, Supersonic & Hypersonic Aircraft & Systems, Unmanned Aircraft Systems (UAS)

SAE Aerospace Applied Thermodynamics Manual Ice, Rain, Fog, and Frost Protection

This section presents the basic equations for computing ice protection requirements for nontransparent and transparent surfaces and for fog and frost protection of windshields. Simplified graphical presentations suitable for preliminary design and a description of various types of ice, fog, frost, and rain protection systems are also presented.
Research Report

Unsettled Issues Concerning the Use of Green Ammonia Fuel in Ground Vehicles

While hydrogen is emerging as a clean alternative automotive fuel and energy storage medium, there are still numerous challenges to implementation, such as the economy of hydrogen production and deployment, expensive storage materials, energy intensive compression or liquefaction processes, and limited trial applications. Synthetic ammonia production, on the other hand, has been available on an industrial scale for nearly a century. Ammonia is one of the most-traded commodities globally and the second most-produced synthetic chemical after sulfuric acid. As an energy carrier, it enables effective hydrogen storage in chemical form by binding hydrogen atoms to atmospheric nitrogen. While ammonia as a fuel is still in its infancy, its unique properties render it as a potentially viable candidate for decarbonizing the automotive industry.

Flight Paths to Success: Career Insights from Women Leaders in Aerospace

Flight Paths to Success profiles the personal journeys of 33 women who have been, and continue to be, successful in aviation, space, and academia. Each woman was asked to select one question of several questions in five categories: personal career insight, work-life balance, mentorship/sponsorship, avoiding a career stall, and powering through challenging situations. Each woman shared her unique experiences about work-life integration, resilience, career changes, relocation, continuing education, and career advancement. While reading their stories, we saw that there were many flight paths to success and each woman navigated her own way by charting her own course and committing to it. Their stories were published as they wrote them-in their own words.

An Assessment of Planar Waves

“An Assessment of Planar Waves” provides background on some of the history of planar waves, which are time-dependent variations of inlet recovery, as well as establishing a hierarchy for categorizing various types of planar waves. It further identifies approaches for establishing compression-component and engine sensitivities to planar waves, and methods for accounting for the destabilizing effects of planar waves. This document contains an extensive list and categorization (see Appendix A) of references to aid both the newcomer and the practitioner on this subject. The committee acknowledges that this document addresses only the impact of planar waves on compression-component stability and does not address the impact of planar waves on augmenter rumble, engine structural issues, and/or pilot discomfort.

Aircraft Thermal Management System Engineering

The intent of this report is to encourage that the thermal management system architecture be designed from a global platform perspective. Separate procurements for air vehicle, propulsion system, and avionics have contributed to the development of aircraft that are sub-optimized from a thermal management viewpoint. In order to maximize the capabilities of the aircraft for mission performance and desired growth capability, overall system efficiency and effectiveness should be considered. This document provides general information about aircraft Thermal Management System Engineering (TMSE). The document also discusses approaches to processes and methodologies for validation and verification of thermal management system engineering. Thermal integration between the air vehicle, propulsion system, and avionics can be particularly important from a thermal management standpoint.

Guidelines for Engine Component Tests

This SAE Aerospace Recommended Practice (ARP) provides guidance for substantiating the airworthiness of aircraft engine components. Generally these components are associated with the engine control system, the system or systems that allow the engine to provide thrust or power as demanded by the pilot of the aircraft while also ensuring the engine operates within acceptable operating limits. But these components may also include hardware and systems associated with engine lubrication, engine or aircraft hydraulic or electrical systems, aircraft environmental control systems, thrust reverser control, or similar aircraft or engine propulsion system functions. This paper develops the concept of using a 26 item matrix of environmental conditions for evaluating aircraft engine component airworthiness. This approach is compatible with current practices used in the industry and has been accepted by engine certification authorities as part of engine certification programs.


Focused on design For Missouri S&T Racing, knowing why a system was designed in a particular way is as important as knowing how it was designed. Taking the classroom to the racetrack Purdue University's Formula SAE team makes good racecars, even better engineers. Sticking to the schedule By strictly meeting deadlines, West Virginia University Institute of Technology team hopes to reach new heights in SAE Aero Design.
Journal Article

Hypersonic Flow Simulation towards Space Propulsion Geometries

This work aims to expand the applicability of an open-source numerical tool to solve hypersonic gas dynamic flows for space propulsion geometries. This is done by validating the code using two well-known hypersonic test cases, the double cone and the hollow cylinder flare, used by the NATO Research and Technology Organization for the validation of hypersonic flight for laminar viscous-inviscid interactions (D. ...This is done by validating the code using two well-known hypersonic test cases, the double cone and the hollow cylinder flare, used by the NATO Research and Technology Organization for the validation of hypersonic flight for laminar viscous-inviscid interactions (D. ...This is done by validating the code using two well-known hypersonic test cases, the double cone and the hollow cylinder flare, used by the NATO Research and Technology Organization for the validation of hypersonic flight for laminar viscous-inviscid interactions (D. Knight, “RTO WG 10 - Test cases for CFD validation of hypersonic flight,” in 40th AIAA Aerospace Sciences Meeting & Exhibit, 2002).

Impossible Aerospace US-1 makes long-distance flight over Nevada salt flats

During a public demonstration, an unmodified production Impossible Aerospace Corporation’s US-1 quadcopter, carrying both a FLIR Duo Pro R thermal camera and HD video transmitter, crossed Nevada’s “playa,” or salt flats. In repeated 72-minute flights, the unmanned aircraft system (UAS) flew with and against prevailing winds, covering distances of 29 and 21 miles, respectively.

Beep and Bestmile partner on self-driving fleets in Florida

Beep Inc., an automated vehicle (AV) distributor based in Orlando, Florida, is partnering with Bestmile SA – a developer of fleet orchestration software. Through the collaboration, Beep will use Bestmile’s software to manage and monitor autonomous shuttle fleets that it sells to fleet owners who operate in low speed environments across the public and private sector.

Space launch providers submit proposals for National Security Space Launch program

Four companies – Blue Origin, Northrop Grumman Innovation Systems, SpaceX, and United Launch Alliance (ULA) – recently submitted proposals for the U.S. Air Force's Phase 2 Launch Services Procurement (LSP) competition. Two of those companies will be awarded with up to 34 launches over a five-year period under the National Security Space Launch (NSSL) program.

Uber ATG joins SAE ITC’s Automated Vehicle Safety Consortium

Uber’s Pittsburgh-based Advanced Technologies Group (ATG) has joined the Automated Vehicle Safety Consortium (AVSC) to collaborate on the development of best safety practices for automated vehicles (AVs). AVSC member companies like SAE international, Ford, General Motors, Toyota, and now Uber, aim to responsibly evolve technology that would enable widespread AV deployment.