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Armstrong Siddeley Sapphire 346 Limousine

Bodywork

type 6/7S LIM
doors 4

Engine information

Bore × stroke 90.00 mm × 90.00 mm 3.54 in × 3.54 in
Cylinders S-6
Displace 3.4 litre 3435 cc (209.617 cu in)
Engine type OHV
Valves 2 valves per cylinder | 12 valves in total
Engine construction
Sump
Compression ratio 7.00:1
Fuel system 1 St carb
Maximum power 126.7 PS (125.0 bhp) (93.2 kW) @ 4700 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
Fuel consumption
CO2 emissions
Power to weight ratio 68.31 bhp/ton
Specific output
Maximum torque 247.0 Nm (182 ft·lb) (25.2 kgm) @ 2000 rpm
bmep 903.6 kPa (131.1 psi)
Specific torque 71.91 Nm/litre
Maximum rpm
Code
Main bearings
Coolant Water
Bore / stroke ratio 1
Unitary capacity 572.5 cc/cylinder
Aspiration Normal
Compressor type N/A
Intercooler None
Catalytic converter N

Dimensions and weight

wheelbase 3378 mm
wheelbase 133 in
Length (milimeters) 5385 mm
Length (inches) 212 in
Width (milimeters) 1830 mm
Width (inches) 72 in
Height (milimeters) 1676 mm
Height (inches) 66 in
L:W ratio 1.59
Ground clearance (milimeters)
Ground clearance (inches)
Kerb weight (kilograms) 1830 kg
Kerb weight (pounds) 4034 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
Wheels
Brakes F/R
Brake ∅
Braked area
Transmission 4M
Top gear ratio 1.00
Final drive ratio 4.45

General information

RAC rating 30.1
Number made
Model code
Model family
Insurance classification No information available
Tax band No information available

Manual Download

Download 1955 Armstrong Siddeley Sapphire 346 Limousine PDF Manual
Designer unknown
Year 1955

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