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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.
In contrast to the MR layout, the center of mass of the engine is between the rear axle and the rear bumper. Although common in electric cars, [ 5 ] and in transit buses and coaches due to the elimination of the drive shaft with low-floor bus, this layout has become increasingly rare in fossil-fuelled passenger cars.
In these respects, an RR can be considered to be an exaggeration of MR - harder braking, faster and earlier acceleration, and increased oversteer. In off-road and low-traction situations, the RR layout has some advantages compared to other 2WD layouts. The weight is biased towards the driven wheels- as with FF vehicles.
When the engine is in front of the driver, but fully behind the front axle line, the layout is sometimes called a front mid-engine, rear-wheel-drive, or FMR layout instead of the less-specific term front-engine; and can be considered a subset of the latter. In-vehicle layout, FMR is substantially the same as FR, but handling differs as a result ...
The MR20DE, a 2.0 L (1997 cc) engine, was the first MR series engine developed by Nissan as a replacement for the QR20DE. It is an undersquare engine, its bore and stroke being 84 mm × 90.1 mm (3.31 in × 3.55 in), respectively. It was first introduced in the Lafesta and Serena MPVs and Renault Samsung SM5 in early 2005.
FR layout. A front-engine, rear-wheel-drive layout (FR), also called Systeme Panhard [1] is a powertrain layout with an engine in front and rear-wheel-drive, connected via a drive shaft. This arrangement, with the engine straddling the front axle, was the traditional automobile layout for most of the pre-1950s automotive mechanical projects. [2]
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10 DeLorean DMC-12 was RR, not MR. 1 comment. Toggle the table of contents. Talk: Rear mid-engine, rear-wheel-drive layout. Add languages ...