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The most common example is probably the 4×4 configuration. 6×4*4 is the chassis configuration for a vehicle with six wheels where four wheels are driven, in addition, the two front wheels as well as the rearmost two wheels are steered.
The front-engine, rear-wheel drive layout (abbreviated as FR layout) is one where the engine is located at the front of the vehicle and driven wheels are located at the rear. [3] This was the traditional automobile layout for most of the 20th century, and remains the most common layout for rear-wheel drive vehicles. [4]
If the mid-engine vehicle is also rear-drive the added weight on the rear tires can also improve acceleration on slippery surfaces, providing much of the benefit of all-wheel-drive without the added weight and expense of all-wheel-drive components. The mid-engine layout makes ABS brakes and traction control systems work better, by providing ...
RMR layout; the engine is located in front of the rear axle. Rear Mid-engine transversely-mounted / Rear-wheel drive. In automotive design, an RMR, or rear mid-engine, rear-wheel-drive layout is one in which the rear wheels are driven by an engine placed with its center of gravity in front of the rear axle, and thus right behind the passenger compartment.
The Skatecycle is a device similar to a caster board, but with hubless wheels and a 2-axis twisting axle replacing the function of the casters. The central axle connects two standing platforms surrounded by 9" polyurethane hubless wheels, giving said wheels the appearance of stirrups.
The centre differential contained within many 4 wheel drive cars is similar to the conventional differential in a 2-wheel drive car. It allows torque to be distributed to both drive axles whilst allowing them to spin at different speeds, which vastly improves the cornering of a 4-wheel drive car on surfaces with high grip such as tarmac.
[4] The bolt circle diameter is typically expressed in mm and accompanies the number of bolts in your vehicle's bolt pattern. One example of a common bolt pattern is 5x100 mm. This means there are 5 bolts evenly spaced about a 100 mm bolt circle. The picture to the right is an example of a 5×100 mm bolt pattern on a Subaru BRZ. The wheel has 5 ...
Porsche has continued to develop its 911 model as a rear-engined vehicle, although they have introduced multiple all-wheel-drive models. Most notably, the 911 Turbo has been sold as AWD-only since the release of the 993 model. Race-oriented models such as the GT3 and twin-turbocharged GT2 remain solely RR, however. [5]