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Military vehicles and equipment Article Power and Propulsion

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Article

NASA highlights material and coating technology ready for commercial applications
2019-05-10
Four of these technologies – smart coatings for corrosion detection and protection, aluminum alloys for high temperature applications, particle contamination mitigation technologies, and thermal and environmental barrier coating systems – are among NASA’s most in-demand technologies and have been applied to mainstream engineering projects.
Article

Maintainers design a $400 maintenance fixture to save the U.S. Air Force $500k per year
2019-04-30
A cowling, or engine cover, is a critical airframe component that reduces drag and directing airflow into the engine. For the E-8C JSTARS, an aircraft with four massive Pratt and Whitney JT3D-based TF33-102C turbofan engines, each set of engine cowling components can cost up to $80,000 per set. Even a slightly warped cowling renders the entire housing unsafe and unserviceable.
Article

NASA budget amendment to help send Americans to moon by 2024, then Mars
2019-05-15
An amended NASA budget for fiscal year 2020 would add $1.6 billion to a $21 billion initial budget request and fund deep space exploration, science, and technology initiatives. An acquisition approach to various projects would present significant opportunities for commercial partners and, likely, the entire aerospace supply chain.
Article

SAE International issues first technical standards for aerospace additive manufacturing
2018-06-13
Jun 13, 2018 - The Aerospace Material Specification committee on Additive Manufacturing (AMS-AM) at SAE International in Warrendale, Pennsylvania, has released its first suite of Aerospace Material Specifications (AMS) additive manufacturing materials and process specifications. The new aerospace technical standards, now available from SAE, support the certification of critical aircraft and spacecraft parts, providing both a framework to protect the integrity of material property data and traceability within the aerospace supply chain.
Article

Dual-clutch transmission
2015-04-17
Eaton's Procision transmission uses a wet clutch system and the transmission needs one type of oil for the entire unit.
Article

Innovation is at the core of engine design
2015-04-14
Cummins' Jim Trueblood says the company's Tier 4 Final program was driven by the core philosophy to utilize new or improved technologies, systems, and components that would meet the durability and reliability levels demanded for tough high horsepower applications.
Article

Diesel with PFF
2015-04-16
At the bottom of FPT Industrial’s range, the customizable 2.2-L R22 engine, developed in partnership with VM Motori, features common rail fuel injection and a fixed geometry turbocharger with aftercooler and wastegate valve.
Article

Severe-duty transmissions
2015-04-13
Allison Transmission Holdings' new 9832 Oil Field Series model offers 3200 hp (2386 kW) for pressure pumping in tough environments.
Article

Designing toward future-proof technology
2015-04-13
Demands for optimized fuel usage, higher efficiency, and cost reduction set the trends for innovation in the off-highway sector, says ZF's Hermann Beck.
Article

DEF filters
2015-04-18
Donaldson's new filter protects selective catalytic reduction systems on vehicles and equipment by maintaining DEF quality to industry standards.
Article

Focus on alternative powertrain technologies for ICPC 2015
2015-02-23
Dr.-Ing. Marko Dekena, Executive Vice President, Global Business Development, Sales and International Operations Powertrain Systems, AVL, recently spoke with SAE Off-Highway Engineering about some of the strategic and technical issues likely to be discussed at this year’s event.
Article

AVL transmission aims at best-in-class PHEV performance
2015-03-05
For its new 7-Mode transmission, AVL focused on key requirements for hybrid drivetrains including best-in-class fuel consumption in NEDC charge-sustaining mode and full drivetrain functionality with a depleted battery.
Article

FEV shows compact DCT for FWD vehicles
2015-03-05
The new generation of dual-clutch transmissions, called the xDCT family, is claimed to offer reduced transmission mass, lower complexity/cost, improved fuel consuption, and better launch characteristics for front-drive vehicles.
Article

High-performance Otto-to-Atkinson V8 edition of Lexus GS introduced at NAIAS
2015-01-20
GS-F is Lexus' newest sports sedan in its F lineup. The vehicle also features innovative torque vectoring differential with three modes, shock absorbers that have underhood manual-turn firmness adjustment, and bright orange 6-piston front calipers as an external styling performance treatment.
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