Power and Propulsion
Auxiliary power units
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News Power
GM Hydrotec Boss Readies Fuel Cells for Commercial Deployment
Call it a “technology-meets-the-moment” place in the transportation sector’s innovation timeline. After decades of concentrated development work, GM’s fuel-cell R&D...
Articles Power
A Connected Approach to Auxiliary Battery Control
As vehicles become electrified and more “intelligent,” the energy consumption of the auxiliary system increases rapidly. The auxiliary battery, typically a 12V unit, acts as the...
Technical Innovation Electronics & Computers
Brunswick Launches All-Electric Marine Outboard
Brunswick Corp. made several product announcements at CES 2023 in Las Vegas. The company showcased their electrification efforts for recreational boats under their Mercury Marine brand with...
Technology Report Power
Jeep Engineers a Wrangler EV with Manual Gearbox
For 4x4 enthusiasts who see the electric-vehicle (EV) future as the conclusive death-blow to manual transmissions, there is hope. Jeep engineers have unveiled the first battery-electric...
News Energy
New CHAdeMO 3.0 Aims to Harmonize Global EV Quick-Charging Standards
On April 24, the CHAdeMO Association released the 3.0 version of its electric-vehicle (EV) charging protocol. The technology was co-developed by the China Electricity...
Technology Report Manned Systems
VW's MEB Platform: A Modularity Enabler
Volkswagen’s MEB, an in-development chassis designed strictly for electric propulsion, enables a modular battery layout that can provide a Volkswagen Group electric vehicle (EV) with an estimated...
News Power
New Boeing, Safran Joint Venture Dedicated to Developing Aircraft Auxiliary Power Units
Chicago-based, Boeing Company and Safran S.A. of Paris are forming a joint venture to design, build, and service aircraft secondary power systems,...
Technical Innovation Energy
Navistar's Latest SuperTruck Features Emerson's Electric HVAC
An innovative Emerson electric HVAC system provides more cooling capacity than the prior 48-volt system on Navistar’s CatalIST high-efficiency demonstration commercial truck.
Articles Mechanical & Fluid Systems
Plain Bearings for Aerospace Applications
Plain bearings are used across a wide range of aerospace applications to help achieve better fuel efficiency, extend maintenance intervals, and lower carbon emissions. These applications include...
Articles Aerospace
Using Sintered Fiber Metal Composites for Aircraft Acoustic Attenuation
Sintered fiber metal composites are used in aircraft as an acoustic media within environmental ducting, inlet and exhaust systems. The material can be engineered to meet...
Application Briefs Aerospace
Leopard 2 Tank Retrofits
Jenoptik Defense & Civil Systems Wedel, Germany +49 3641 65-2255 As part of a Polish modernization program for the Leopard 2 tank, Jenoptik was recently awarded contracts to supply 126 17-kilowatt auxiliary power...
Articles Aerospace
Designing a Power Generation System for a More-Electric Aircraft
It is theorized that systems and equipment for an All Electric Aircraft (AEA) will be developed 20 years hence as a More-Electric Aircraft (MEA) with no bleed system, which is a...
Application Briefs Test & Measurement
Fuel Flow Meters
Hoffer Flow Controls Elizabeth City, NC 252-331-1997 www.hofferflow.com Hoffer Flow Controls, Inc. recently received a new contract to supply 575 fuel flow meters as a part of the U.S. Navy’s H-53 heavy lift helicopter fleet...
News Propulsion
Engineering a 1000-Mph Car
Engineering a car designed for a 0-1000 mph (1610 km/h) time of 55 seconds is one of the world’s most unlikely, most daunting, and most exciting challenges. That is the task of Mark Chapman, Chief Engineer of...
Briefs Electronics & Computers
Power Management for the Electric Taxiing System Incorporating the More Electric Architecture
With airlines increasingly directing their attention to operating costs and environmental initiatives, the More Electric Architecture for Aircraft and...
Articles Defense
Electronics Take Charge
Electronic controls are slowly transforming aircraft engines of all types, bringing improved fuel consumption, improved efficiency, and more power. As the functionality of control units for jet engines increases, digital...
Articles Energy
Alternative Energy and Propulsion Power for Today's U.S. Military
The U.S. military has the most sophisticated weapons systems in the world, but they are fueled and mechanically powered by old technologies. Given the mission of the U.S....
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