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Sunbeam 20

Bodywork

type 2S DHC
doors 2

Engine information

Bore × stroke 75.00 mm × 110.00 mm 2.95 in × 4.33 in
Cylinders S-6
Displace 2.9 litre 2916 cc (177.945 cu in)
Engine type OHV
Valves 2 valves per cylinder | 12 valves in total
Engine construction
Sump
Compression ratio 5.50:1
Fuel system 1 Claudel-Hobson carb
Maximum power 55.8 PS (55.0 bhp) (41 kW) @ 3600 rpm
0-50 mph
0-60 mph
0-100 mph
0-100 km/h
80 - 120 km/h
402 m (Quarter mile)
Standing km
Top speed 122 km/h (76 mph)
Fuel consumption
CO2 emissions
Power to weight ratio 40.09 bhp/ton
Specific output
Maximum torque
bmep
Specific torque
Maximum rpm
Code
Main bearings
Coolant Water
Bore / stroke ratio 0.68
Unitary capacity 486 cc/cylinder
Aspiration Normal
Compressor type N/A
Intercooler None
Catalytic converter N

Dimensions and weight

wheelbase 3162 mm
wheelbase 124.5 in
Length (milimeters) 4451 mm
Length (inches) 175.2 in
Width (milimeters) 1803 mm
Width (inches) 71 in
Height (milimeters)
Height (inches)
L:W ratio 1.41
Ground clearance (milimeters)
Ground clearance (inches)
Kerb weight (kilograms) 1372 kg
Kerb weight (pounds) 3025 lb
Weight distribuiton
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 31 x 5.25
Wheels
Brakes F/R
Brake ∅
Braked area
Transmission 4M
Top gear ratio 5.50
Final drive ratio

General information

RAC rating 20.9
Number made
Model code
Model family
Insurance classification No information available
Tax band No information available

Manual Download

Download 1927 Sunbeam 20 PDF Manual
Designer unknown
Year 1927

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