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  Lotus 43 BRM
 

  Article Image gallery (30) 43/1 Specifications  
Click here to open the Lotus 43 BRM gallery   
Country of origin:Great Britain
Produced from:1966 - 1967
Numbers built:2
Designed by:Maurice Philippe and Colin Chapman
Predecessor:Lotus 33 Climax
Successor:Lotus 49 Cosworth
Author:Wouter Melissen
Last updated:September 25, 2013
Download: All images

Engine
Configuration BRM P75 180º H16
Location Mid, longitudinally mounted
Weight 232 kilo / 511.5 lbs
Construction aluminium alloy block and head
Displacement 2,996 cc / 182.8 cu in
Bore / Stroke 68.5 mm (2.7 in) / 50.8 mm (2 in)
Compression 11.5:1
Valvetrain 2 valves / cylinder, DOHC
Camshaft Gear driven
Fuel feed Lucas Fuel Injection
Lubrication Dry sump
Aspiration Naturally Aspirated
Power 405 bhp / 302 KW @ 10,500 rpm
BHP/Liter 135 bhp / liter

Drivetrain
Body glass-fibre reinforced plastic nose and engine cover
Chassis aluminium alloy monocoque with stressed engine
Front suspension top rocker arms, lower wishbones, inboard coil springs over dampers
Rear suspension reverse lower wishbones, twin radius arms, coil springs over dampers, anti-roll bar
Brakes ventilated discs, all-round
Gearbox BRM T82 6 speed Manual
Drive Rear wheel drive

Dimensions
Weight 567 kilo / 1,250 lbs
Length / Width / Height 4,112 mm (161.9 in) / 1,853 mm (73 in) / 774 mm (30.5 in)
Wheelbase / Track (fr/r) 2,436 mm (95.9 in) / 1,523 mm (60 in) / 1,523 mm (60 in)
Wheels (fr/r) 8.5 x 15 / 9.5 x 15
Tyres (fr/r) 7 x 15 / 9 x 15

Performance figures
Power to weight 0.71 bhp / kg

Race history
Major wins
1966 USA Grand Prix (Jim Clark in 43/1)
Drivers of note Jim Clark and Graham Hill

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

  Article Image gallery (30) 43/1 Specifications