What drive to choose a car. Front-wheel and rear-wheel drive cars: advantages and disadvantages

Front-wheel and rear-wheel drive cars. Which ones are easier to maintain, and which are easier to maintain? Let's get together.

2015-11-14 05:54:45 55

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Types car drives

Rear-drive cars, as the name suggests, are driven by rotation of wheels of the rear axle, the torque which is transmitted through the gearbox, driveshaft and rear axle differential.The rear drive type is also called classic because they were equipped with the first cars early motoring. He has not lost its relevance today: they are equipped with most American cars, and Japanese and European cars of premium class.The front-wheel drive rotary motion of the crankshaft via the gearbox and the constant velocity joints (CV-Joints) comes to the wheels of the front axle. Most often front-wheel drive equipped with inexpensive and low-budget European and Japanese cars, the wide circulation was received by cars produced in the post-Soviet space.

Features layout

Due to the longitudinal location of the engine and the transmission of torque to the rear wheels in RWD cars there is practically no vibration of the exterior and interior, can not be said about their front-wheel counterparts with transverse placement of the engine, which vibration from the front drive axle is transmitted to steering control. At present, this drawback is practically eliminated by the use of hydraulic power steering.The presence of a propeller shaft, not only complicates the design of rear-drive cars, but also increases its cost in comparison with a car having front-wheel drive. Due to the need of the location in the Central part of the interior of the tunnel for the propeller shaft, the effective volume of the interior of the car with rear wheel drive is noticeably less than the front-wheel drive car.No cars with front-wheel drive driveline makes them more economical because the need to spin the drive shaft with the rear-wheel drive increases the energy loss in the transmission of torque from the engine to the drive wheels. Not surprisingly, the fuel consumption front-wheel drive car by 5-7% lower than RWD.Due to the fact that FWD cars are front of the ear and simultaneously controlling, and leading, chassis vehicles with front wheel drive is more likely to fail (especially the CV Joints), so they require more frequent inspection and maintenance.

the Details of management

The technique of driving a car depends on its type of operating mechanism. The turning radii of cars with front and rear wheel are significantly different. RWD cars turn requires less area roads, front-wheel – big. The reason is that cars with rear-wheel drive maximum steering angle of front wheels having no drive shafts, significantly exceeds the same parameter front-wheel drive cars. Besides, cars with rear wheel drive only front wheel control and rear – pushed, unlike the front wheel, which front wheel and pull, and run.On dry pavement the car with rear-wheel drive front-wheel drive speed more. This is because at the time of acceleration the front axle is unloaded by transferring most of the weight of the car on the rear wheels, densely pressing them to the road surface. The forward actuator in the phase of active dispersal often leads to quite noticeable wheelspin of the drive wheels.In case of reduction of the coefficient of traction due to rain or snow, the picture changes dramatically. Front wheel drive wheels, in spite of the spin, albeit more slowly, but will accelerate the car. Rear wheel rear-drive cars in the same conditions will seek to deploy the vehicle.The permeability of the front of the car slightly higher due to the fact that under the influence of the weight of the front engine leading wheels stronger pressed to the road. A positive effect on the patency of the car with front-wheel drive and the combination of the front wheels steering function and the actuator that allows the driver to select the direction of thrust.When driving on loose ground or snow front-wheel drive car going to the front wheels bite into the surface of the problematic road section, while the rear-wheel the front wheels will compact the soil or snow, laying track for the leading wheels of the rear axle.Front-wheel drive car is harder to put into a skid than a car with rear-wheel drive, however, and is removed from the skidding rear wheel drive car is easier – in many cases it is sufficient to release the accelerator pedal that the majority of drivers, and perform on an intuitive level. To cope with a skid in a car with front-wheel drive is more difficult — you will need composure in combination with skill.To give an exhaustive answer to the question which drive is better is impossible. In any case, regardless of whatever drive the car you choose, may it serve you faithfully for many years!Good luck to you! No nail, no wand!


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