Ruf CTR3

The Ruf CTR3 is a mid-engined sports car produced by German car manufacturer Ruf Automobile. The CTR3 was unveiled at the Bahrain International Circuit on the 20th anniversary of the original Ruf CTR on April 13, 2007 in conjunction with the opening of a new Ruf factory at the circuit.[4][5]

"CTR3" redirects here. For the airport code, see Tottenham/Ronan Aerodrome.
Ruf CTR3
Overview
ManufacturerRuf Automobile
Production2007–2012 (CTR3)
2012–present (CTR3 Clubsport) [1]
AssemblyPfaffenhausen, Germany
DesignerBennett Soderberg[2]
Body and chassis
ClassSports car (S)
Body style2-door coupé
LayoutRear mid-engine, rear-wheel-drive
RelatedPorsche Cayman
Powertrain
Engine3.7L twin-turbocharged flat-6
Transmission6-speed sequential manual
7-speed PDK (Clubsport)
Dimensions
Wheelbase2,625 mm (103.3 in)[3]
Length4,445 mm (175.0 in)[3]
Width1,944 mm (76.5 in)[3]
Height1,200 mm (47 in)[3]
Curb weight3,035 lb (1,377 kg)[3]
Chronology
PredecessorRuf CTR2

Continuing the Ruf tradition of enhancing Porsche automobiles, the CTR3 shares the body style and engine type with the contemporaneous Porsche 987 Cayman and Porsche 997.1 Turbo. For the first time, however, it features a Ruf-designed body built on a dedicated platform engineered in conjunction with Multimatic[6] and is particularly styled to reflect the visual feel of vintage Le Mans race cars of the 1950s and 1960s.[5] Additionally, Ruf adopted the Porsche Cayman's mid-engine layout for the new car, rather than the traditional rear-engine layout of the previous CTR models (CTR and CTR2).

Specifications

Powertrain

The Ruf CTR3 is powered by a 3,746 cc (3.7 L) twin-turbocharged flat-six engine producing a maximum power output of 691 bhp (701 PS; 515 kW) at 7,600 rpm and 889 N⋅m (656 lb⋅ft) of torque at 4,000 rpm.[7] The cylinder block and heads are made of aluminum alloy with a bore and stroke of 102 mm × 76.4 mm (4.02 by 3.01 inches), and the engine utilizes a dual overhead camshaft valvetrain.[7] The engine has a compression ratio of 9.2:1 and is controlled by a Bosch Motronic ECU.[3]

The flat-six engine is paired with KKK K24 twin-turbochargers and two air-to-air intercoolers.

The H6-TT engine in the CTR3.

Transmission

The CTR3 is equipped with a transversely mounted 6-speed sequential manual transmission. The transmission is paired with a limited-slip differential.[3]

Chassis

The CTR3 has a frame constructed from aluminum and zinc-dipped steel for the front and passenger sections of the car.[3] The rear frame around the engine is a space frame constructed from billet aluminum by Multimatic that Ruf calls 'the Birdcage'.[7] The body panels are made from a kevlar-carbon composite, and the car weighs 1,400 kg (3,086 lb) in total.

Suspension

The CTR3 utilizes MacPherson strut suspension on the front axle from the Porsche 911, and multi-link suspension with horizontal coil over shock absorbers at the rear axle. Anti-roll bars are installed on both axles.[7]

Wheels

The CTR3 is equipped with forged aluminum wheels with diameters of 19 inches at the front and 20 inches at the rear. The tires are Michelin Pilot Super Sports with codes of 255/35 ZR 19 for the front and 335/30 ZR 20 for the rear. The brakes are ventilated ceramic composite discs, with a diameter of 380mm each and utilizing six-piston aluminium calipers at the front and rear.[7][8]

CTR3 Clubsport
Ruf CTR3 Clubsport

Ruf unveiled the CTR3 Clubsport variant at the 2012 Geneva Motor Show as an evolution and replacement of the standard CTR3.[9] The Clubsport features a revised engine with power boosted to 777 PS (571 kW; 766 hp) at 7,000 rpm and a maximum torque of 980 N⋅m (723 lb⋅ft) at 4,000 rpm.[10] The Clubsport also introduced an optional 7-speed Dual-clutch transmission in addition to the standard 6-speed sequential manual. As of May 2018, only 7 CTR3 Clubsport cars have been built in addition to 30 standard CTR3 cars.[11]

The CTR3 Clubsport shares many features with the Lykan HyperSport, a car developed from the same engine.[12] Among these similarities are: engine (3.7L twin-turbo flat-six), transmissions (6-speed sequential manual and 7-speed PDK), suspension (MacPherson strut front and multi-link rear), wheels, tyres and brakes (255/35 ZR 19 for the front, 335/30 ZR 20 for the rear, 380mm carbon ceramic discs), weight (1,377 kg for the CTR3 and 1,380 kg for the Hypersport), and physical dimensions (height and length are within 35mm, wheelbase and width are identical at 2,625mm and 1,944mm respectively).

Performance

The CTR3 has claimed acceleration times of 0-60 mph in 3.2 seconds, with an estimated top speed of 233 mph (375 km/h).[2] The extra 86 hp (64 kW) and 91 N⋅m (67 lbf⋅ft) of torque in the Clubsport reduce its 0-60 mph time to 3.0 seconds, with an estimated top speed of 236 mph (380 km/h).[13]

  • CTR3 (Rear view)
  • CTR3 Clubsport (Rear view)
  • 2018 CTR3 Clubsport
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References
  1. Bradley Brownell (18 July 2017). "In-depth look at the CTR3 Club Sport". The Drive. Retrieved 10 February 2018.
  2. Mike Monticello (21 May 2007). "2008 Ruf CTR3". Road & Track. Retrieved 10 February 2018.
  3. Alex Nunez (12 April 2007). "Ruf CTR3 full official specs". Autoblog. Retrieved 10 February 2018.
  4. "German sports car manufacturer RUF opens a new factory at the Bahrain and launches its RUF CTR3 supercar". Bloomberg. 2007-04-17. Retrieved 2018-08-13.
  5. "The dream machine". GulfWeekly. 2007-04-18. Retrieved 2018-08-13.
  6. "2008 Ruf CTR3". Road & Track. 2007-05-21. Retrieved 2017-07-24.
  7. Vivian, David (2009-01-19). "Ruf CTR3". evo. Retrieved 2018-08-13.
  8. Kuah, Ian (2013-10-30). "2014 Ruf CTR3 Club Sport - Ruf Trade". Super Street Network. Retrieved 2018-08-14.
  9. Adams, Lawrence (2012-03-07). "Geneva 2012: RUF CTR3 Clubsport". GulfWeekly. Retrieved 2018-08-15.
  10. "The RUF model with pure super sports car DNA". Ruf Automobile. Retrieved 2018-08-15.
  11. Constantine, Chris (2018-04-30). "One of the Last RUF CTR 3 Clubsports is Going to Auction in Monaco". TheDrive. Retrieved 2018-08-15.
  12. Katsianis, Jordan (February 23, 2017). "Lykan Hypersport: all you need to know". evo. Retrieved August 13, 2018.
  13. Burkart, Tom (2014-09-10). "777HP, 236MPH 2015 RUF CTR3 Clubsport Is Veyron-Hunting, Twin-Turbo Cayman". TheDrive. Retrieved 2018-08-15.
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