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Porsche GT3 RSR 2008

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Porsche GT3 RSR 2008

Post by LhYnxz on Tue Apr 08, 2008 9:37 am




Porsche develó hoy el GT3 RSR, el vehiculo de carrera
basado en el Porsche 911 mas potente hasta el momento. Las
caracteristicas mas distingidas del nuevo GT3 RSR se pueden ver en las
mejoras de la parte frontal, perfeccionando la aerodinamia. Aunque la
mayoria de las innovaciones estan escondidas bajo el chasis, que fue
mejorado para reducirle el peso.



El GT3 RSR esta propulsado por un motor Boxer de 3.8
litros que genera 465 hp (342 kW) a las 8000 rpm y un torque máximo de
430 Nm a las 7250 rpm.

El precio del GT3 RSR es de 349,800 Euros mas impuestos.


Comunicado de prensa despues del salto.


Comunicado de Prensa
The Porsche GT3 RSR launches into the new model year with extensive modifications. The most powerful race car based on the Porsche 911,
which last year scored wins at the 24 hour races of Le Mans and Spa as
well as overall victory at the Nuerburgring 24 hours, competes in the
GT2 class at international long distance races. The most distinguishing
feature of the new GT3 RSR is the front end which received major
improvements to the aerodynamics. The majority of innovations however
are hidden under the weight-optimised body.



Aside from the easily recognisable additional spoilers
on the front apron, so-called flicks, an optimised air ducting with
newly-designed side air outlets generates more downforce and reduces
drag. The rear end including the rear wing was taken over from the
predecessor. Extensive changes to the suspension cinematics increase
mechanical grip considerably. The range of possible suspension set-ups
was broadened.



The 3.8-litre boxer engine of the GT3 RSR remains
unchanged apart from slight improvements to details. It delivers 465 hp
(342 kW) at 8,000 revs per minute and delivers a maximum torque of 430
Nm at 7,250 revs. The rev limiter of the efficient six-cylinder kicks
in at 9,400 rpm.
Much of the know-how in the GT3 RSR’s totally new gearbox has come from
the RS Spyder sports prototype. The sequential six-speed unit,
developed by Porsche engineers, is considerably lighter than its
predecessor. Internal friction was substantially reduced. The flat
angle of the drive shafts allows teams a wider range of suspension
set-ups.



Aside from the GT3 Cup and the GT3 Cup S, the GT3 RSR
is the third race car based on the Porsche 911 offered by Porsche
Motorsport. Thirty-five units of the fastest and most powerful long
distance racer made in Weissach, apart from the exclusive RS Spyder
sports prototype, are now being produced and delivered to customer
teams around the globe. The price of the GT3 RSR is 349,800 Euro plus
VAT.
Technical Description Porsche GT3 RSR (2008)



Engine

Six-cylinder aluminium boxer engine, water-cooled; 3,795 cc; stroke
76.4 mm; bore 102.7 mm; 465 bhp (342 kW) at 8,000 rpm; max. torque 430
Nm at 7,250 rpm; air restrictors 2 x 29.5 mm; maximum engine speed
9,400 rpm; four valves per cylinder; dry sump lubrication; individual
throttle butterflies; central air intake; electronic MS 4.0 engine
management;
fuel injection; fuel grade: RON 98 Super Plus unleaded.




Power transmission

Six-speed gearbox with sequential jaw-type shift; oil/water heat
exchanger; single-mass flywheel; hydraulic disengagement lever;
three-plate carbon-fibre clutch; rear wheel drive; limited-slip
differential 45/65 %.

Body

Monocoque body (basis GT3 RS) of hot-galvanised steel; aerodynamically
optimised front end with front spoiler; aerodynamically optimised front
underfloor; adjustable rear wing; 90-litre safety fuel tank with fast
filling function; air jack; welded-in safety cage; bucket-type racing
seat (on driver’s side only) with flame-resistant seat cover; six-point
seat belt adapted for use of the HANS Head and Neck Support; electric
fire-extinguishing system.

Suspension

Front: McPherson spring strut axle; Sachs four-way gas pressure
dampers; double coil springs (main and ancillary spring); front axle
arms adjustable for camber; adjustable sword-type anti-roll bar on both
sides; power steering.
Rear: Multi-arm axle with rigidly mounted axle sub-frame; Sachs
four-way gas pressure dampers; double coil springs (main and auxiliary
spring); rear axle tie-bar reinforced and infinitely adjustable;
adjustable sword-type anti-roll bar on both sides.
Complete suspension infinitely adjustable (height, camber, track).

Brakes

Brake system with balance bar control.
Front: Single-piece six-piston aluminium fixed callipers; inner-vented, 380 mm in diameter; racing brake pads.
Rear: Single-piece four-piston aluminium fixed callipers; inner-vented, 355 mm in diameter; racing brake pads.




Wheels

Front: Three-piece BBS light-alloy wheels (11J x 18-34); central bolt;
Rear: Three-piece BBS light-alloy wheels (13J x 18-12.5); central bolt.



Electrical System

Motec display with integrated data recording; adjustable traction control; battery: 12 volt, 50 Ah, 140 Ah alternator.

Weight

Approx. 1,225 kg complying with A.C.O. regulations, 1,200 kg complying with FIA regulations.

LhYnxz
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