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However, it is the power a car can produce at the wheels (wheel horsepower or whp) that matters when it comes to acceleration performance. Wheel horsepower equals brake horsepower minus drivetrain losses, which can be anywhere from about 10% to 25%. [12] Power-to-weight ratio: hp/lb hp/lb
Also gas pedal. A throttle in the form of a foot-operated pedal, or sometimes a hand-operated lever or paddle, by which the flow of fuel to the engine (and thereby the engine speed) is controlled, with depression of the pedal causing the vehicle to accelerate. admission stroke See induction stroke. aftermarket air brake 1. A type of brake in which the force that actuates the brake mechanism is ...
Car and Driver (CD or C/D) is an American automotive enthusiast magazine first published in 1955. In 2006 its total circulation was 1.23 million. [ 2 ] It is owned by Hearst Magazines , who purchased it from its prior owner Hachette Filipacchi Media U.S. in 2011.
Car and Driver 10Best is a list annually produced by Car and Driver (C/D) beginning in 1983, [1] nominating what it considers the 10 best cars of the year. C/D also produced the 5Best list, highlighting what it considers the five best trucks of the year. All production vehicles for sale in that calendar year are considered with these recent ...
Drag is a force that acts parallel to and in the same direction as the airflow. The drag coefficient of an automobile measures the way the automobile passes through the surrounding air. When automobile companies design a new vehicle they take into consideration the automobile drag coefficient in addition to the other performance characteristics ...
In 2021, the first year Car and Driver compared EV models, the Ford Mustang Mach-E received the top honor. The 2025 Hyundai Ioniq 5 N fully electric EV has been named EV of the Year by Car and Driver.
Drivers race on the apron at Chicagoland Speedway (the area between the white and yellow lines). aero cover See wheel shroud. air jacks Pneumatic cylinders strategically mounted to the frame near the wheels of a racing car, which project downwards to lift the car off the ground during a pit stop to allow for quick tire changes or provide mechanics access to the underside of the car for repairs.
Vehicle dynamics is the study of vehicle motion, e.g., how a vehicle's forward movement changes in response to driver inputs, propulsion system outputs, ambient conditions, air/surface/water conditions, etc. Vehicle dynamics is a part of engineering primarily based on classical mechanics.