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Singer SM Roadster

Bodywork

type 2S RDSR
doors 2

Engine information

Bore × stroke 73.00 mm × 89.40 mm 2.87 in × 3.52 in
Cylinders S-4
Displace 1.5 litre 1497 cc (91.353 cu in)
Engine type SOHC
Valves 2 valves per cylinder | 8 valves in total
Engine construction
Sump
Compression ratio 7.00:1
Fuel system 1 So carb
Maximum power 48.7 PS (48.0 bhp) (35.8 kW) @ 4200 rpm
0-50 mph 13.70 s
0-60 mph 20.80 s
0-100 mph -1.00 s
0-100 km/h
80 - 120 km/h
402 m (Quarter mile) 22.00 s
Standing km
Top speed 121 km/h (75 mph)
Fuel consumption
CO2 emissions
Power to weight ratio 57.14 bhp/ton
Specific output
Maximum torque 98.0 Nm (72 ft·lb) (10 kgm) @ 2200 rpm
bmep 822.6 kPa (119.3 psi)
Specific torque 65.46 Nm/litre
Maximum rpm
Code
Main bearings
Coolant Water
Bore / stroke ratio 0.82
Unitary capacity 374.25 cc/cylinder
Aspiration Normal
Compressor type N/A
Intercooler None
Catalytic converter N

Dimensions and weight

wheelbase 2311 mm
wheelbase 91 in
Length (milimeters) 3850 mm
Length (inches) 151.6 in
Width (milimeters) 1473 mm
Width (inches) 58 in
Height (milimeters) 1232 mm
Height (inches) 48.5 in
L:W ratio 1.67
Ground clearance (milimeters)
Ground clearance (inches)
Kerb weight (kilograms) 840 kg
Kerb weight (pounds) 1852 lb
Weight distribuiton 54.50 %
Fuel capacity (litres)
Fuel capacity (UK Ga)
Fuel capacity (US Gal)

Aerodynamics

Drag coefficient
Frontal area
Cx

Chassis

Engine location Front
Engine alignment Longitudinal
Drive RWD
Steering
Turns lock-to-lock
Turning circle
Tyres
Wheels
Brakes F/R 2LS/ -GHM
Brake ∅
Braked area
Transmission 4M
Top gear ratio 1.00
Final drive ratio 4.87

General information

RAC rating 13.2
Number made
Model code
Model family
Insurance classification No information available
Tax band No information available

Manual Download

Download 1951 Singer SM Roadster PDF Manual
Designer unknown
Year 1951

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