There are four fixed gear ratios
superimposed on two electric variable ratios," explains Larry Nitz, executive director of hybrid powertrain engineering at GM.
Decrease gear ratio
-- Choosing a lower gear ratio
improves fuel economy, reduces engine wear, increases speed at lower RPMs and may help reduce over-revving.
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The LS 460's active safety equipment -- a completely redesigned multilink suspension system -- is highlighted by two segment firsts: Variable Gear Ratio
Steering (VGRS) equipped on the available air suspension and a next-generation Vehicle Dynamics Integrated Management (VDIM) system, coupled with electronic power steering.
VGRS features an actuator that has a reduction mechanism with strain wave gearing that adjusts the actual gear ratio
between the steering pinion and rack.
The T309 has similar ratios and a lower first gear ratio
The key to the SuperGen technology lies in the combination of a patented epicyclic traction transmission and electric gear ratio
The main advantages are that you get full engine braking, total control over which gear ratio
is used and no "creep" when a gear is engaged and the engine is running.
Tom Stephens, group vice president, GM Powertrain, says the new six-speed is not a Lepelletier design, has "a 6:1 overall gear ratio
spread that will increase fuel economy by 4% when compared to a current four-speed automatic," and states the collaboration with Ford "shaved months" from the transmission's development time.
173:1 and--in all-wheel-drive versions--a transfer case gear ratio
Some of Baan's major automotive clients include: AMG, Autovaz (Lada), Bandag, Bakrie, BTR Cow, Polymers, Crown Equipment, Daf, Dorbyl Group, Dunlop, Euclid/Hitachi, Flexfab, Goodyear, Gear Ratio
(Reumech), Husco, Mitsubishi, MCC/Smart Car, Ned Car, Pilot Industries, Pininfarina, Shatterprufe, Western Industries, GKN, Prince Corporation, Remploy, United Engineering, PICO, and PowerPacker.
The bars pivot, allowing them to smoothly accept the uniform spacing of the chain even as the gear ratio
Users select the one characteristic they believe is the most important in the success of a solar car (such as level of light, gear ratio
, weight of the car, and so on).
A hydraulic pump and motor (variator unit) allows for a smooth and continuous gear ratio
change between engine speed and machine speed.
6 L VTEC incorporates a direct air intake system, large diameter propeller and low gear ratio