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Speed 25 Offord Roadster
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  Alvis Speed 25 Offord Roadster
 

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Country of origin:Great Britain
Produced in:1937
Numbers built:one-off
Designed by:Offord & Sons
Author:Wouter Melissen
Last updated:November 21, 2005
Download: All images

Engine
Configuration Straight 6
Location Front, longitudinally mounted
Displacement 3,571 cc / 217.9 cu in
Bore / Stroke 83.0 mm (3.3 in) / 110.0 mm (4.3 in)
Compression 6.4:1
Valvetrain 2 valves / cylinder, OHV
Fuel feed 3 SU Carburettors
Aspiration Naturally Aspirated
Power 106 bhp / 79 KW @ 3,800 rpm
BHP/Liter 30 bhp / liter

Drivetrain
Chassis body on ladder frame
Front suspension wishbones, transverse semi-elliptic leaf spring, hydraulic shock absorbers
Rear suspension live axle, semi-elliptic leaf springs, hydraulic shock absorbers
Brakes drums, all-round
Gearbox 4 speed Manual
Drive Rear wheel drive

Dimensions
Weight 1,800 kilo / 3,968 lbs
Length / Width / Height 4,826 mm (190 in) / 1,778 mm (70 in) / N/A
Wheelbase / Track (fr/r) 3,150 mm (124 in) / 1,422 mm (56 in) / 1,422 mm (56 in)

Performance figures
Power to weight 0.06 bhp / kg
Top Speed 155 km/h (96 mph)

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  Article Image gallery (7) Specifications