Maserati GranTurismo v12
by John Straton
Title
Maserati GranTurismo v12
Artist
John Straton
Medium
Photograph - Photograph
Description
The Maserati GranTurismo is a two-door, four-seat coup� produced by the Italian car manufacturer Maserati. It shares the platform of the Maserati Quattroporte V and parts of the Ferrari 599 GTB and Scaglietti.
The vehicle was unveiled at the 2007 Geneva Motor Show.[1] The GranTurismo has a drag coefficient of 0.33. The standard version has a 4.2 litre (4,244 cc (259.0 cu in)) V8 engine designed in conjunction with Ferrari with 405 PS (298 kW; 399 hp) and automatic ZF gearbox six-speed transmission. The 2+2 body has been derived from the Maserati Quattroporte V, with double-wishbone front suspensions and a multilink rear suspension. The car is a GT (Grand Tourer) that emphasizes comfort in harmony with speed and driver-enjoyment.
The architecture of the GranTurismo and GranCabrio derives from the M139 platform of the fifth generation Quattroporte, shortened about 12 cm (4.7 in) in the wheelbase and 8 cm (3.1 in) in the rear overhang. Like on the Quattroporte the engine is pushed back beyond the front wheel's centerline, inside the wheelbase�in the front mid-engine, rear-wheel-drive layout. This confers a 49%/51% front/rear weight distribution to automatic transmission cars. "MC SportShift" sequential transmission variants have a further rear-biased 47%/53% weight distribution, thanks to the gearbox mounted at the rear in block with the differential�in the transaxle layout.
The chassis is made of stamped and boxed steel sections, and is complemented by two aluminium subframes: one at the front supporting the engine and providing suspension attaching points, and a tubular one at the rear supporting both suspension and differential (or the entire transmission in transaxle cars). Structural body panels are steel, the engine bonnet is aluminium and the boot lid is a single sheet moulding compound piece. The base GranTurismo 4.2 has a drag coefficient of Cd=0.33.
The suspension system consists of unequal length control arms with forged aluminium arms and cast aluminium uprights, coil springs and anti-roll bars on both axles. Dampers are either fixed-rate and set up for handling or "Skyhook" adaptive. The Skyhook system uses aluminium-bodied gas dampers, allowing automatic and continuous damping rate adjustment by means of proportioning valves.
Uploaded
June 29th, 2016
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