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Pneumatics and aerodynamics could boost tractor-trailer fuel efficiency
from the truck's supercharger, or a simple chain drive to turn air blowers from the trailer's wheels. Aerodynamic drag becomes dominant only at higher speeds, so the blowing would be turned off when the trucks were idling or operating at low speeds. To fully assess the energy savings, the researchers...
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Stability and Control Considerations of Vehicle-Trailer Combination (.pdf)
SERIES. 2008-01-1228. Stability and Control Considerations of. Vehicle-Trailer Combination. Aleksander Hac, Daniel Fulk and Hsien Chen. Delphi Corporation. Reprinted From: Brake Technology, 2008. (SP-2188). 2008 World Congress. Detroit, Michigan. April 14-17, 2008. 400 Commonwealth Drive, Warrendale...
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Control Loading System Developments related to Mission Training Systems (.pdf)
The drive components of the simulator factor into the integrity of the entire system. This paper discusses the development of simulator technology and how Wittenstein's rotary motion components provide the most compact solution for distributed mission trainers. RAeS Paper for November Control...
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2003 Yukon Denali -- Upscale and powerful
; and the towing power and poor fuel economy of pickup trucks. New for 2003, the Denali features all-wheel drive and GM's next-generation StabiliTrak system, a big plus for maneuvering through our snow-covered streets. The system taps into the suspension, steering, antilock brakes, and traction-control systems...
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2004 GMC Sierra 2500 Crew Cab pickup
I was eager to try the 4WD GMC Sierra because I had never driven a vehicle with Quadrasteer. This is a $1,995 option that turns all four wheels as necessary to handle maneuvers into tight parking areas or to back a trailer around a corner. Though I didn't get a chance to use this feature...
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2004 Nissan Pathfinder Armada
The 2004 Nissan Pathfinder Armada certainly lives up to its name: it's HUGE. The certainly lives up to its name: it's HUGE. But it also happens to drive like a luxury car and gets respectable gas mileage. Our LE 4 4 also available) got 20 mpg on the highway hauling four adults and one two-year old...
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Dodge Magnum R/T AWD
for those of us with imperfect backs. And heated seats are an appreciated option on cold mornings. With 345 hp on call, jumping into busy traffic is a snap. But controlling that much power requires constraint because one can pass just about anything else on wheels. The all-wheel-drive car is so...
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What is it -- SUV, truck, or UFO?
final drive ratio or a 4.10 axle ratio. This optional system gives the Sport Trac better traction by limiting the power differences between the two rear wheels. Finally, there's the 29.6 ft 3 of cargo space. The strength behind it is sheet molding composite (SMC) plastic. SMC is 20% lighter than...
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2005 Ford Escape XLT
available with an automatic transmission. Also new this year are a fully automatic intelligent fourwheel-drive option, a manual transmission with lighter shifting and shorter throws, and a revised suspension. The Escape is available in XLS, XLT, and Limited models, all in either 2WD or 4WD. Our...
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2003 Chevrolet Silverado
driving, you can't tell there is anything different with four-wheel steering. But General Motors has been fooling around with the technology for more than 15 years, and early in its development I had an opportunity to drive a Chevrolet Celebrity equipped with this feature. It was on GM's test track...