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Honda FCX Concept 2005 in-wheel motor with high-voltage wires in orange. Running high voltage outside the chassis can be avoided by using near-wheel motors, which have similar advantages to in-wheel motors. Hub motors are attractive from a design standpoint because of their flexibility. They can be used for front-, rear-, or individual-wheel ...
The use of separate motors for the front and rear drive wheels eliminates the need of a drive shaft that is ubiquitous in four-wheel drive ICE vehicles, freeing up space for bigger battery modules, which are commonly mounted on the chassis floor between the axles. [1] The dual-motor layout is beneficial in re-distributing torque and power to ...
The rear driven wheels of a racing car throwing gravel Differentials and drive shafts deliver torque to the front and rear wheels of a four-wheel drive truck. A drive wheel is a wheel of a motor vehicle that transmits force, transforming torque into tractive force from the tires to the road, causing the vehicle to move.
A dyno that can measure torque and power delivered by the power train of a vehicle directly from the drive wheel or wheels without removing the engine from the frame of the vehicle), is known as a chassis dyno. Dynamometers can also be classified by the type of absorption unit or absorber/driver that they use.
An adjustable speed motor drive is a system that includes a motor that has multiple operating speeds. A variable speed motor drive is a system that includes a motor that is continuously variable in speed. If the motor is generating electrical energy rather than using it, the motor drive could be called a generator drive but is often still ...
The Quadra-Drive system was introduced in 1999 and is based on the Quadra-Trac II system but adds gerotor differentials to the front and rear axles to create a four-wheel drive system capable of not only directing torque to the axle with the better traction but to the individual wheel on an axle with better traction.
Brake horsepower (bhp) is the power measured using a brake type (load) dynamometer at a specified location, such as the crankshaft, output shaft of the transmission, rear axle or rear wheels. [ 30 ] In Europe, the DIN 70020 standard tests the engine fitted with all ancillaries and the exhaust system as used in the car.
This front-wheel drive vehicle has an electric motor that can drive the rear wheels when extra traction is needed. The system is disengaged in all other driving conditions, so it does not directly enhance performance or economy but allows the use of a smaller and more economical engine relative to total performance.