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  Lotus 49 Cosworth
 

  Article Image gallery (44) Chassis (3) Specifications User Comments (1)  
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Country of origin:Great Britain
Produced in:1967
Numbers built:5
Designed by:Maurice Phillippe and Colin Chapman
Predecessor:Lotus 43 BRM
Successor:Lotus 49B Cosworth
Author:Wouter Melissen
Last updated:June 30, 2010
Download: All images

Engine
Configuration Ford Cosworth DFV 90º V8
Location Mid, longitudinally mounted
Weight 168 kilo / 370.4 lbs
Construction aluminium block and head
Displacement 2,993 cc / 182.6 cu in
Bore / Stroke 85.7 mm (3.4 in) / 64.8 mm (2.6 in)
Compression 11.5:1
Valvetrain 4 valves / cylinder, DOHC
Fuel feed Lucas Fuel Injection
Lubrication Dry sump
Aspiration Naturally Aspirated
Power 410 bhp / 306 KW @ 9,200 rpm
BHP/Liter 137 bhp / liter

Drivetrain
Chassis aluminium monocoque with front subframe and fully stressed engine
Front suspension lower wishbone, top lever arm, coil springs over dampers
Rear suspension reversed lower wishbones, top links, twin radius arms, coil springs over dampers, anti-roll bar
Steering rack-and-pinion
Brakes Girling ventilated discs, all-round
Gearbox ZF 5DS-12 5 speed Manual
Drive Rear wheel drive

Dimensions
Weight 530 kilo / 1,168 lbs
Length / Width / Height 4,026 mm (158.5 in) / 1,880 mm (74 in) / 787 mm (31 in)
Wheelbase / Track (fr/r) 2,413 mm (95 in) / 1,524 mm (60 in) / 1,549 mm (61 in)

Performance figures
Power to weight 0.77 bhp / kg

Race history
Major wins
1967 Dutch Grand Prix (Jim Clark in R2)
1967 British Grand Prix (Jim Clark in R2)
1967 USA Grand Prix (Jim Clark in R2)
1967 Mexican Grand Prix (Jim Clark in R1)
1968 South African Grand Prix (Jim Clark in R4)
1968 Spanish Grand Prix (Graham Hill in R1)

Resources
Suggested reading
  • The Lotus Book S2, by William Taylor
Related articles
Useful links

  Article Image gallery (44) Chassis (3) Specifications User Comments (1)