1937 - Armstrong-Siddeley - 25

Technical Specs of This Model
1. 25 1937
General Information
Make Armstrong-Siddeley
Model 25
Production Year 1937
Country
Designer
Production Number
Model Code
Model Family
Chassis and Dimensions
Chassis Type 4/5S SAL
Number of Doors
Wheelbase 3124 mm     (123 in)
Front Track 1448 mm     (57 in)
Rear Track 1448 mm     (57 in)
Length 4724 mm     (186 in)
Width 1753 mm     (69 in)
Height
Ground Clearance 140 mm     (5,5 in)
Length / Wheelbase Ratio 1,51
Weight 1930 kg     (4251,1 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 3670 cc     (223,96 cu in)
Bore 82,5 mm     (3,25 in)
Stroke 114,3 mm     (4,5 in)
Bore / Stroke Ratio 0,72
Unitary Capacity 611,67 cc/cylinder    (37,33 cu in/cylinder)
Number of Main Bearings
Compression Ratio
Fuel System Type 1 SU carb
Aspiration Type Normal
Compressor Type -
Intercooler Type None
Catalytic Converter No
Maximum Engine Power 85 HP     (63,4 kW)
Maximum Engine Power rpm 3500 d/d
Maximum Engine Torque
Maximum Engine Torque rpm
Engine Torque at Max. Engine Power rpm 172,9 N.m    (3500 d/d)
Power / Weight Ratio 44 HP/ton    (32,8 W/kg)
Power / Engine Displacement Ratio 23,2 HP/litre    (17,3 kW/litre)
CO2 Emissions
Fuel Consumption
Performance
0 - 80 km/h
0 - 60 mph
0 - 100 km/h
0 - 160 km/h
80 - 120 km/h (in top gear)
0 - 400 m Acceleration
0 - 1000 m Acceleration
Top Speed
Gearbox and Transmission
Transmission Type 4P
Top Gear Ratio 1 : 1
Final Drive Ratio 4,36 : 1
Drive Wheels RWD (Rear Wheel Drive)
Handling, Suspension Geometry and Brakes
Steering Type
Steering Turns (lock to lock)
Turning Circle Diameter
Suspension (front) LA.SE.
Suspension (rear) LA.SE.
Brakes (front/rear)
Brake Disc Diameter (front)
Brake Disc Diameter (rear)
Wheels (front)
Wheels (rear)
Tyres (front)
Tyres (rear)