Η Porsche ανακοίνωσε την GT3 RSR. Update με live φωτογραφίες

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H Porsche ανακοίνωσε το τελευταίο καθαρόαιμο αγωνιστικό της κατηγορίας GT-2, με όνομα GT3 RSR. Οι αλλαγές σε σχέση με την έκδοση του 08 είναι αισθητές ιδιαίτερα στο μπροστά κομμάτι. Νέα η πίσω αεροτομή με περισσότερες ρυθμίσεις ενώ έχει προστεθεί και μία πολυλειτουργική οθόνη στο εσωτερικό. Μηχανικά το αυτοκίνητο πλέον θα εφοδιάζεται με έναν V6 4 λίτρων απόδοσης 450 ίππων στις 7.800 στροφές/λεπτό (15 λιγότεροι σε σχέση με πέρυσι αφού το περσινό μοντέλο απέδιδε 465 hp στις 8.000 στροφές), με ροπή 43 κιλά (ίδια με το περσινό μοντέλο) αλλά με βελτιωμένη την καμπύλη απόδοσης της. Η τιμή του είναι 380.000€ και θα ξεκινήσει τις πωλήσεις του απο τον Φεβρουάριο. Δείτε τις φωτογραφίες και τα αναλυτικά τεχνικά χαρακτηριστικά.

Live Gallery

Δελτίο Τύπου

The new Porsche 911 GT3 RSR has passed its premiere on the race track with flying colours. At the American Le Mans Series (ALMS) winter tests in Sebring, the long distance racer, which received modifications in many areas, immediately proved exceptional in its reliability and handling. The Porsche teams Flying Lizard Motorsports and Farnbacher Loles Racing conducted an intensive three-day test schedule and worked on a basis set-up for the Sebring 12 hour race in March.

“Right from the start, the cars ran very well and the teams made excellent progress with their work,” said a satisfied Martijn Meijs, head of Performance Porsche Motorsport. “Due to changes in the technical regulations, the cars tackle this season with a smaller air inlet restrictor and the ride height must be five-millimetres higher. For this, the teams can use hardly any of the data from 2008 and virtually have to start from zero with their suspension set-up.”

Porsche works driver Wolf Henzler (Germany), who competes with his compatriot Dirk Werner for the Farnbacher Loles team, also heads into the ALMS season with optimism after these initial tests. “The GT3 RSR has made another noticeable step forward. I think we are well equipped to win the championship.”

Porsche works drivers Patrick Long (USA) and Joerg Bergmeister (Germany) also set-up their new racer for the ALMS season-opener in Sebring. “The new GT3 RSR has a much better turn-in than the 2008 car,” Long said enthusiastically. “Now we just have to work on finding an optimal spring-shocks set-up for the extremely bumpy circuit here in Sebring,” added Bergmeister.

In Sebring with a 2008 GT3 RSR, the Vici Racing squad concentrated on set-up tests with the Michelin tyres, which are new for the team. From the first race of the season, the outfit will also run a 450 hp Porsche 911 GT3 RSR with the new four-litre six-cylinder boxer engine.

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Δελτίο Τύπου

The successful Porsche 911 GT3 RSR takes off into the new model year with extensive modifications. The most powerful race car based on the Porsche 911, which last season secured wins in the American Le Mans Series and at the Nürburgring 24 Hours, competes in the GT2 class at international long distance races. The most distinguishing feature of the new GT3 RSR is the redesigned front with large air outlets on the front hood. Under the light-weight bodyshell, as well, major changes were made to the quickest 911.

Noticeable at first sight are the air outlet slots, or the so-called louvers, on the front hood: an indication of the completely redesigned air ducting of the radiators, which became necessary through the new design of supply and discharge air with the installation of an optional air-conditioning unit. The aerodynamics under the rear underwent further optimisation. The rear wing now features a wider adjustment range. The weight-optimised brake system and the lighter wiring harness contribute to further improved handling, compared to the predecessor model.

The capacity of the well-known six-cylinder boxer engine increased from 3.8 to 4.0-litres. After another reduction in the size of the air restrictors for the 2009 season, the engine now delivers around 450 hp (331 kW) at 7,800 revs per minute and develops a maximum torque of 430 Nm at 7,250 rpm. The rev limiter of the efficient six-cylinder unit kicks in at 9,000 rpm. Compared to the forerunner, the rev level for a given power output was significantly lowered. Thanks to this, the engine features an optimised torque curve and offers better driveability.
In the cockpit, a new multi-function display located above the dashboard indicates the opti-mum moment to change gears. Another new feature is the programmable multi-function, onboard supply system control device, giving teams the choice of many individual functions. One of these is the infinitely adjustable blinking frequency of the lights in the front apron, which helps to immediately recognise race cars when they enter the pits in the dark. For eas-ier servicing under race conditions, other modifications were made. The GT3 RSR now fea-tures a new air-jack system with overpressure valve. The oil refill with fast filling function has now moved to the rear lid, giving mechanics better access.

Aside from GT3 Cup and the GT3 Cup S, the GT3 RSR is the third race car based on the Porsche 911 offered by Porsche Motorsport. About 20 of the successful long distance racers have been built in Weissach and are now being delivered to customer teams around the world. The GT3 RSR costs 380,000 Euro plus VAT specific to each country.

Technical Description Porsche GT3 RSR (2009)

Engine:
Water-cooled, six-cylinder boxer engine; four valves
per cylinder; dry sump lubrication; individual throttle
butterflies; fuel injection; air restrictors 2 x 29.5 mm.

Bore:
102.7 mm

Stroke:
80.4 mm

Capacity:
3,996 cc

Power output:
331 kW (450 bhp) at 7,800 rpm

Max. Torque:
430 Nm at 7,250 rpm

Max. revs:
9,400 rpm

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; multi-function
display with integrated gearshift indicator; adjustable
traction control; battery: 12 volt, 50 Ah, 140 Ah alternator.

Weight:
Approx. 1,220 kg complying with A.C.O. regulations,
1,245 kg complying with FIA regulations.

[Πηγή: Porsche]

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