1958 - Armstrong-Siddeley - Star Sapphire

Technical Specs of This Model
1. Star Sapphire 1958
General Information
Make Armstrong-Siddeley
Model Star Sapphire
Production Year 1958
Country
Designer
Production Number
Model Code
Model Family
Chassis and Dimensions
Chassis Type 4/5S SAL
Number of Doors 4
Wheelbase 2896 mm     (114 in)
Front Track 1470 mm     (57,9 in)
Rear Track 1460 mm     (57,5 in)
Length 4930 mm     (194,1 in)
Width 1880 mm     (74 in)
Height 1575 mm     (62 in)
Ground Clearance 216 mm     (8,5 in)
Length / Wheelbase Ratio 1,7
Weight 1778 kg     (3916,3 lb)
Weight Distribution (front/rear)
Fuel Capacity 72,7 litre   (16 Imp gal ,  19,2 US gal)
Aerodynamics
Drag Coefficient
Frontal Area
Cx
Engine Specifications
Engine Manufacturer Armstrong-Siddeley
Engine Location Front
Engine Alignment Longitudinal
Engine Construction
Coolant Type Water
Engine Type OHV
Number of Cylinders and Placement S-6
Valves per Cylinder 2    (Total of 12 Pieces)
Engine Displacement 3990 cc     (243,49 cu in)
Bore 97 mm     (3,82 in)
Stroke 90 mm     (3,54 in)
Bore / Stroke Ratio 1,08
Unitary Capacity 665 cc/cylinder    (40,58 cu in/cylinder)
Number of Main Bearings
Compression Ratio 7,5 : 1
Fuel System Type 2 Ze carbs
Aspiration Type Normal
Compressor Type -
Intercooler Type None
Catalytic Converter No
Maximum Engine Power 145 HP     (108,1 kW)
Maximum Engine Power rpm 4250 d/d
Maximum Engine Torque 312 N.m     (230,3 lb.ft ,  31,8 kg.m)
Maximum Engine Torque rpm 2000 d/d
Engine Torque at Max. Engine Power rpm 242,9 N.m    (4250 d/d)
Power / Weight Ratio 81,6 HP/ton    (60,8 W/kg)
Power / Engine Displacement Ratio 36,3 HP/litre    (27,1 kW/litre)
CO2 Emissions
Fuel Consumption
Performance
0 - 80 km/h 11,3 s
0 - 60 mph
0 - 100 km/h
0 - 160 km/h -1 s
80 - 120 km/h (in top gear)
0 - 400 m Acceleration
0 - 1000 m Acceleration
Top Speed 160 km/h   (99,4 mph)
Gearbox and Transmission
Transmission Type 3A
Top Gear Ratio 1 : 1
Final Drive Ratio 3,77 : 1
Drive Wheels RWD (Rear Wheel Drive)
Handling, Suspension Geometry and Brakes
Steering Type rack & pinion PAS
Steering Turns (lock to lock) 3,8
Turning Circle Diameter 11,6 m    (38,1 ft)
Suspension (front) I.W.CS.
Suspension (rear) LA.SE.
Brakes (front/rear) Di/Di-S
Brake Disc Diameter (front)
Brake Disc Diameter (rear)
Wheels (front)
Wheels (rear)
Tyres (front)
Tyres (rear)