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Front-engine, rear-wheel-drive layout
Automobile layout
Automobile layout

A front-engine, rear-wheel-drive layout (FR), also called Système Panhard 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. It is also used in trucks, pickups, and high-floor buses and school buses.
{{anchor|FMR layout|FMR}}Front mid-engine, rear-wheel-drive layout

layout, the engine is located behind the front axle]]
A front mid-engine, rear-wheel-drive layout (FMR) places the engine in the front half of the vehicle but behind the front axle, which likewise drives the rear wheels via a driveshaft. Shifting the engine's center of mass rearward aids in front/rear weight distribution and reduces the moment of inertia, both of which improve a vehicle's handling.
FMR cars are often characterized by a long hood and front wheels that are pushed forward to the corners of the vehicle, close to the front bumper. 2+2-style grand tourers often have FMR layouts, as a rear engine does not leave much space for rear seats.
Gallery
File:Ypsilanti Automotive Heritage Museum August 2013 23 (1940 Oldsmobile powertrain).jpg|1940 Oldsmobile chassis showing a typical front-engine, rear-wheel-drive layout File:1968 AMC AMX yellow 390 auto md-er.jpg|The 390 cid V8 engine in a FR 1968 AMC AMX functionally straddles its front axle, with the centerline of the shock towers basically bisecting the center of the air cleaner File:E-Type Jag 4.2-litre engine 2022.jpg|The straight-6 DOHC XK engine clearly sits behind the front axle of an FMR Jaguar E-Type File:GMLT5.JPG|All Chevrolet Corvette from the second through the seventh generation are FMR. Only ancillary aspects of this Chevrolet Corvette ZR-1's engine may lie above the front axle. File:Dodge Viper Motorraum.JPG|An FMR Dodge Viper showing its 8.4 L V10 positioned behind the car’s front axle
References
References
- "The Nostalgia of Forgotten Gods: Panhard & Levassor, France, 1886-1967".
- "History of the 1899 Panhard".
- (24 March 2015). "Theme: Benchmarks – Le Système Panhard".
- "Development of a New Hybrid Transmission for RWD Car". www.sae.org.
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