Key facts

1950 Austin A40 Sports information summary

What body style?
convertible/cabriolet with 2+2 seats
How long?
4045 mm
How heavy?
965 kg
What size engine?
1.2 litre, 1200 cm3
How many cylinders?
4, Straight
How much power?
51 PS / 50 bhp / 37 kW @ 4800 rpm
How much torque?
84 Nm / 62 ft.lb / 8.6 kgm @ 2400 rpm
How fast?
127 km/h, 79 mph

Austin

Austin logo -

Austin logo

British Leyland (Austin-Morris) Limited

1950 Austin A40 Sports technical specifications

Introduction

The Austin A40 Sports is a rear wheel drive vehicle, with the engine placed in the front, and a convertible/cabriolet body.
The 1.2 litre engine is a naturally aspirated, overhead valve, 4 cylinder unit that develops 50 bhp (51 PS/37 kW) of power at 4800 rpm, and maximum torque of 84 N·m (62 lb·ft/8.6 kgm) at 2400 rpm.
Quoted kerb weight is 965 kg.
Its maximum speed claimed is 127 km/h (79 mph).
1950 Austin A40 Sports data
1950 Austin A40 Sports data
bodywork
Body type2+2 seater convertible/cabriolet
Number of doors
Designer
dimensions & weights
mminches
Wheelbase 2350 92.5
Track/tread (front) 1257 49.5
Track/tread (rear) 1257 49.5
Length 4045 159.3
Width 1556 61.3
Height 1460 57.5
Ground clearance
length:wheelbase ratio 1.72
Kerb weight 965 kg 2127 lb
Weight distribution
fuel tank capacity
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer Austin
Engine code
Cylinders Straight 4
Capacity 1.2 litre
1200 cc
(73.228 cu in)
Bore × Stroke 65.5 × 89 mm
2.58 × 3.5 in
Bore/stroke ratio 0.74
overhead valve (OHV)
2 valves per cylinder
8 valves in total
maximum power output 51 PS (50 bhp) (37 kW)
at 4800 rpm
Specific output 41.7 bhp/litre
0.68 bhp/cu in
maximum torque 84 Nm (62 ft·lb) (8.6 kgm)
at 2400 rpm
Specific torque 70 Nm/litre
0.85 ft·lb/cu3
Engine construction
sump
compression ratio 7.2:1
Fuel system 2 SU carbs
bmep (brake mean effective pressure) 879.6 kPa (127.6 psi)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 300 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
performance
Acceleration 0-80km/h (50mph) 16.30 s
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph) -1.00 s
Standing quarter-mile 23.20 s
Standing kilometre
Maximum speed 127 km/h (79 mph)
Power-to-weight ratio 52.53 PS/g
38.64 kW/g
51.81 bhp/ton
0.02 bhp/lb
Weight-to-power ratio 25.88 kg/kW
43.23 lb/bhp
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
litres per 100km
km per litre
UK MPG
US MPG
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
chassis
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
Steering
turns lock-to-lock
Turning circle
Front suspension
Rear suspension
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R
Front brake diameter
Rear brake diameter
Gearbox
Top gear ratio 1.00
Final drive ratio 5.14
general
Carfolio.com ID50336
Production total
Model code
Model family
RAC rating 10.6
Insurance classification No information available
Tax band No information available
1950 Austin A40 Sports added before December 1995.
Last modified 2013-02-28.

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