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     004 Cosworth
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  Tyrrell 004 Cosworth
 

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Tyrrell 004 Cosworth Tyrrell 004 Cosworth Tyrrell 004 Cosworth Tyrrell 004 Cosworth Tyrrell 004 Cosworth Tyrrell 004 Cosworth
Click here to save all images    Image credits: Wouter Melissen 

Model history:
Click here to download printer friendly version In the 1969 F1 season the winning formula proved to be Ken Tyrrell as team manager, Jackie Stewart as driver, a Cosworth engine and a Matra chassis. For 1970 Matra refused to supply chassis to Tyrrell, and renewed their V12 program to field a complete Matra package for that season. Tyrrell was well aware of the advantages of the Cosworth DFV engine, and preferred it over the French V12. Fortunately Max Mosley's March had just launched a customer Formula 1 car, which Tyrrell prepared for his protege to drive in the opening rounds of the season. The performance of the March 701 was lackluster at best, but it bought the team some time to come with something more competitive.

In complete secrecy designer Frank Gardner worked on a completely new car for Stewart to drive. Halfway through the season the wraps were taken off the Tyrrell 001 at a non championship race at Oulton Park. It was a complete surprise to the attending crowd and Tyrrell's competitors for that matter, but a new Formula 1 constructor was born. In its design the first Tyrrell very much resembled the Matra MS80 used the year before, with its obvious coke-bottle shaped monocoque chassis. The most distinctive feature of the 001 was the hammerhead style front wing, which covered the radiator intake.

At the Italian Grand Prix, the Tyrrell 001 made its competition debut, but technical problems forced Stewart to turn to the March for the qualification and race. He used the Tyrrell for the final three races of the season, all of which he started from the first row. Unfortunately new car hiccups forced the Tyrrell to retire on all three occasions, but its potential was clear. Based on the 001, two new chassis were constructed for Stewart and Francois Cevert to drive in 1971. With these 003 and 002, respectively, Tyrrell won the first Constructor's and Stewart his second Driver's Championship.


Chassis: 004
Chassis 004 Featured is the fourth Tyrrell built, which served mainly as a back-up for Stewart's 003 in the 1971 and 1972 season. After its Formula 1 duties, the car was sold to South Africa where it was campaigned in local races with some success. It is seen here driven by its current American owner in the 2006 Monterey Historic Races.

Article by Wouter Melissen, last updated on September 18, 2006

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General specifications
Country of origin Great Britain
Chassis number 004
Numbers built 1
Produced in 1972
Body design Derek Gardner for Tyrrell

Engine
Configuration Ford Cosworth DFV 90º V8
Location Mid, longitudinally mounted
Construction aluminium block and head
Displacement 2.993 liter / 182.6 cu in
Bore / Stroke 85.7 mm (3.4 in) / 64.8 mm (2.6 in)
Valvetrain 4 valves / cylinder, DOHC
Fuel feed Lucas Fuel Injection
Aspiration Naturally Aspirated
Power 450 bhp / 336 KW @ 10000 rpm
BHP/Liter 150 bhp / liter

Drivetrain
Chassis aluminium monocoque
Suspension (fr/r) double wishbones, coil springs
Steering rack-and-pinion
Brakes discs, all-round
Gearbox Hewland FG 500 5 speed Manual
Drive Rear wheel drive

Dimensions
Weight 560 kilo / 1234.6 lbs
Wheelbase / Track (fr/r) 2426 mm (95.5 in) / 1590 mm (62.6 in) / 1647 mm (64.8 in)

Performance figures
Power to weight 0.8 bhp / kg

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