1919 - Napier - 40/50

Technical Specs of This Model
1. 40/50 1919
General Information
Make Napier
Model 40/50
Production Year 1919
Country
Designer
Production Number
Model Code
Model Family
Chassis and Dimensions
Chassis Type 4/5S SAL
Number of Doors 4
Wheelbase 3480 mm     (137 in)
Front Track 1422 mm     (56 in)
Rear Track 1422 mm     (56 in)
Length 4572 mm     (180 in)
Width
Height
Ground Clearance
Length / Wheelbase Ratio 1,31
Weight 1880 kg     (4141 lb)
Weight Distribution (front/rear)
Fuel Capacity
Aerodynamics
Drag Coefficient
Frontal Area
Cx
Engine Specifications
Engine Manufacturer Napier
Engine Location Front
Engine Alignment Longitudinal
Engine Construction
Coolant Type Water
Engine Type SOHC
Number of Cylinders and Placement S-6
Valves per Cylinder 2    (Total of 12 Pieces)
Engine Displacement 6105 cc     (372,55 cu in)
Bore 101,6 mm     (4 in)
Stroke 127 mm     (5 in)
Bore / Stroke Ratio 0,8
Unitary Capacity 1017,5 cc/cylinder    (62,09 cu in/cylinder)
Number of Main Bearings 7
Compression Ratio
Fuel System Type 1 Napier-SU carb
Aspiration Type Normal
Compressor Type -
Intercooler Type None
Catalytic Converter No
Maximum Engine Power 82 HP     (61,1 kW)
Maximum Engine Power rpm 2000 d/d
Maximum Engine Torque
Maximum Engine Torque rpm
Engine Torque at Max. Engine Power rpm 292 N.m    (2000 d/d)
Power / Weight Ratio 43,6 HP/ton    (32,5 W/kg)
Power / Engine Displacement Ratio 13,4 HP/litre    (10 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 4M
Top Gear Ratio 1 : 1
Final Drive Ratio 3,3 : 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.Cant.
Brakes (front/rear)
Brake Disc Diameter (front)
Brake Disc Diameter (rear)
Wheels (front)
Wheels (rear)
Tyres (front) 895 x 135
Tyres (rear) 895 x 135