The computer-control system can then apply the brake on the wheel concerned, and even adjust the amount of engine torque sent to that wheel, so that skidding is prevented.
To make this work, regular controls had to be replaced with drive-by-wire, and the accelerator, steering wheel and brake are gone in favor of an aerospace-type yoke that (as in a Segway), is moved forward to move the vehicle forward, and back for reversing.
Much like a mechanical limited-slip differential, torque vectoring subtly pulses the brake of the inside front wheel in a corner, directing more torque to the outside wheel, actually helping bend the car into a corner.
Dave Jordan was part of a colorful tradition of concrete riders, outsize characters who understood not only wheel sets and brake pads, but also the way a brilliant racer could be molded by a frantic city, rushing among the yellow cabs and the thrilling slivers between trucks and curbstones.
He has applied the brake, he has swung the wheel to the side, he has offered up a silent prayer, but it is too soon to see whether he has done these things in time.
He argues that with antilock brake and stability systems, 100 percent reliability is possible because they merely survey signals from within the car: wheel speed, pressure applied to the brake pedal, and so on.
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You control the throttle and brake, and electric power assist steering controls the steering wheel.
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It consists of five eco-friendly products made from plant oils: organic glass cleaner, brake dust shield, hydrophobic car wash, tire shine and wheel cleaner.
Each wheel runs on its own AC motor, transmission, brake and controller.
The pilots then use their usual controls to steer with the nose wheel (which in turn steers the TaxiBot) and to brake with the main landing gear.
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Scrub wheels and tires using a stiff bristle brush, and a proprietary wheel-cleaning product if necessary, to remove dirt, grease and disc-brake powder.
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The parts included "brakes, brake pads, brake shoes, ignition coils, water pumps, window regulators, suspension sway bar links, wheel hubs, anti-lock braking sensors, control arm bushings, transmission filters, pitman arms, tie rod ends, and suspension air springs, " the papers add.
"We must have hit a rock because it smashed the wheel and we had to drive the final seven kilometres with the car running onto the brake disc, " said 30-year-old McRae.
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