TVR Cerbera

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TVR Cerbera
TVR Cerbera Speed Six 02.jpg
TVR Cerbera Speed Six
Overview
Manufacturer TVR
Production19962006 [1]
1,490 produced
AssemblyEngland: Blackpool
Designer Damian McTaggart [2]
Body and chassis
Class Sports car (S)
Body style 2-door 2+2 coupé [2] [3]
Layout Front mid-engine, rear-wheel-drive
Related TVR Chimaera
Powertrain
Engine
Transmission 5-speed manual
Dimensions
Wheelbase 2,566 mm (101.0 in)
Length4,280 mm (168.5 in)
Width1,865 mm (73.4 in)
Height1,220 mm (48.0 in)
Kerb weight
  • 1,100 kg (2,425 lb) (Speed Eight)
  • 1,060 kg (2,337 lb) (4.5 Lightweight)
  • 1,130 kg (2,491 lb) (Speed Six)

The TVR Cerbera is a car manufactured by the British company TVR between 1996 and 2006. Its name is derived from Cerberus, the three-headed beast of Greek legend that guarded the entrance of Hades. It is a coupé with a hardtop roof and a 2+2 seating layout that has been described as a sports car and a grand touring car. [4]

Contents

Introduced at the 1993 London Motor Show, the Cerbera was the third car manufactured by TVR under the leadership of Peter Wheeler (the first was the Griffith and the second was the Chimaera). The car marked three milestones for the Wheeler-led company: [5]


Engines

Prior to the Cerbera, TVR had purchased V8 engines from Rover and then tuned them for their own use. When Rover was purchased by BMW, Peter Wheeler did not want to risk supply chain problems should the Germans decide to stop manufacturing the engine. In response, he engaged the services of race engineer Al Melling to design a V8 engine that TVR could manufacture in-house and even potentially offer for sale to other car-makers. In an interview for the television programme Top Gear, Wheeler explained "Basically, we designed the engine as a race engine. It was my idea at the time that if we wanted to expand, we ought to make something that we could sell to other people. We've ended up with a 75-degree V8 with a flat-plane crank. The bottom-half of the engine to the heads is exactly as you would see in current Formula One engines." [1]

Rear view 1997 TVR Cerbera Speed Six 4.2 Rear.jpg
Rear view

The result was called the "Speed Eight" (official designation 'AJP8') after Al Melling, John Ravenscroft and Peter Wheeler, a 4.2 litre V8 rated at 360 hp (268 kW) and gave the Cerbera a top speed of 297 km/h (185 mph). A 4.5-litre version of the engine was later offered with 420 hp (313 kW).

The AJP8 has one of the highest specific outputs of any naturally aspirated V8 in the automotive world at 83.3 hp/litre for the 4.2 and 93.3 hp/litre for the 4.5. Later models of the 4.5 litre engine had the 'Red Rose' option, which increased output to 440 hp (328 kW) 97.7 hp/litre when run with super-unleaded (high octane) petrol. An unmarked button on the dashboard altered the engine mapping.

The engine is also unusually compact for a V8. According to TVR, the total weight of the finished engine is 121 kg (267 lb).

Following the success of the Speed Eight engine program, Peter Wheeler also undertook the design of a "Speed Six" engine. This engine also made its debut in the Cerbera but was a 4.0 litre inline slant six design with four valves per cylinder to the Speed Eight's two. The early engines proved unreliable, with many requiring rebuilding. [6]

Specifications

Interior TVR Cerbera Speed Six - Flickr - The Car Spy (7).jpg
Interior

The Cerbera was designed from the start as a four-seater. The rear seats are smaller than the front, a design commonly referred to as a "2+2". However, the interior is designed so that the passenger seat can slide farther forward than the driver's seat. This allows more room for the person sitting behind the front passenger. TVR have referred to the layout as a "3+1" design. [7]

The Cerbera's weight was quoted by TVR at 1,100 kg (2,425 lb), although customers claimed the weight varied between 1,060 kg (2,337 lb) and 1,200 kg (2,646 lb).

The dashboard was designed especially for the Cerbera and uses a two-spar steering wheel as opposed to the typical three-spar previously found in most TVRs. The reason for this is that minor instruments are located on a small panel below the steering wheel and a third spar in the wheel would have made them difficult to read. [7]

Like all TVRs of the Peter Wheeler era, the Cerbera had a long-travel throttle to compensate for the lack of electronic traction-control and very sharp steering. The V8 powered cars were two turns from lock to lock and the Speed Six car was 2.4 turns. This made it easier for experienced drivers to maintain or regain control of the car in the event of a loss of traction but some less experienced drivers complained that it made the cars feel "twitchy" and more responsive than they would otherwise have preferred. [2]

TVR Cerbera (post-facelift) Tvr.cerbera.arp.jpg
TVR Cerbera (post-facelift)

In 2000, TVR changed the styling of the car slightly by modifying the headlights to more closely resemble those seen on the Tuscan. The "facelift" features were available with all three engine configurations. In addition, the cars equipped with the 4.5 litre engine were offered with the "lightweight" option, reducing the overall weight through the use of lighter body panels and a slightly reworked interior. [7]

Performance

ModelCapacity (cc)typePower (hp)TorqueMax speed0–97 km/h (0-60 mph) (s)
4.0 L Speed Six3,996straight-6 DOHC 24v350 hp (261 kW; 355 PS) at 6,800 rpm330 lb⋅ft (447 N⋅m) at 5,000 rpm170 mph (274 km/h)4.4
4.2 L Speed Eight4,18575° V8 SOHC 16v360 hp (268 kW; 365 PS) at 6,500 rpm320 lb⋅ft (434 N⋅m) at 4,500 rpm180 mph (290 km/h)4.2
4.5 L Speed Eight4,47575° V8 SOHC 16v420 hp (313 kW; 426 PS) at 6,750 rpm380 lb⋅ft (515 N⋅m) at 5,500 rpm185 mph (298 km/h)4.1
4.5 L Speed Eight 'Red Rose'4,47575° V8 SOHC 16v440 hp (328 kW; 446 PS) at 7,250 rpm402 lb⋅ft (545 N⋅m) at 5,500 rpm193 mph (311 km/h)3.9

The Last Cerbera

In August 2006, TVR held an online auction for what it billed as "The Last Cerbera". According to thelastcerbera.com, the website that TVR created especially for the auction, TVR's owner and chairman, Nikolay Smolensky brought the design out of retirement for one more unit as an homage to the "beautiful but brutish bygone British sports car." The "last Cerbera" was a 4.5 Lightweight right-hand drive car in Pepper white with Prussian blue leather interior trim. [8] The auction failed to meet its reserve price but TVR still decided to sell the car to the high bidder. The final bid was under £45,000 to which 5% plus 17.5% VAT would be added.[ citation needed ]

Cerbera Speed 12

The TVR Cerbera Speed 12, originally known as the Project 7/12, is a high performance sports car designed by TVR in 1997. Based on the TVR Cerbera, the vehicle was intended to be both the world's highest performance road car and the basis for a GT1 class endurance racer. However, problems during its development, changing GT1 class regulations and the eventual decision that it was simply incapable of being used as a road car forced TVR executives to abandon its development.

The engine, displacing 7.7 L (469.9 cu in) and having twelve cylinders, was reportedly capable of producing nearly 1,000 hp (746 kW), although an exact measurement was never made. Nonetheless, it was claimed to have a top speed greater than that of the McLaren F1. [9]

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References

Sources
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  3. Alkureshi, Ross (27 September 2018). "Brave new world: TVR Cerbera vs Lotus Esprit". Classic and Sports Car Magazine. Retrieved 11 August 2020.
  4. "TVR auctions the last Cerbera". Piston Heads. 25 July 2006. Retrieved 11 August 2020.
  5. "TVR Cerbera (1996 - 2005) used car review". RAC. 8 November 2005. Retrieved 5 August 2020.
  6. "TVR Cerbera". Classic Motoring. Aceville Publications Ltd. 9 July 2015. Archived from the original on 18 September 2016. Retrieved 5 August 2020.{{cite web}}: CS1 maint: unfit URL (link)
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  8. Seno, Alvise Marco (4 February 2008). "The Last TVR Cerbera 4.5 V8: where is it?". TVR Blog. Retrieved 6 August 2020.
  9. "TVR Cerbera Speed 12 (2000) Statistics". TVRTalk.com. Archived from the original on 5 March 2009.
Notes