Key facts

1947 Austin A40 information summary

What body style?
sedan/saloon with 4/5 seats
How long?
3886 mm
How heavy?
965 kg
What size engine?
1.2 litre, 1200 cm3
How many cylinders?
4, Straight
How much power?
40.6 PS / 40 bhp / 29.8 kW @ 4300 rpm
How much torque?
Unknown
How fast?
114 km/h, 71 mph

Austin

Austin logo -

Austin logo

British Leyland (Austin-Morris) Limited

1947 Austin A40 technical specifications

Introduction

Austin A40 is a car that has a saloon (sedan) body style with a front mounted engine powering the rear wheels.
The power is produced by a naturally aspirated engine of 1.2 litre capacity. This powerplant features overhead valve valve gear, 4 cylinder layout, and 2 valves per cylinder. It has an output of 40 bhp (40.6 PS/29.8 kW) of power at 4300 rpm.
A 4 speed manual gearbox supplies the power to the driven wheels.
The stated kerb weight is 965 kg.
It is claimed to achieve a top speed of 114 km/h which is 71 mph.
1947 Austin A40 data
1947 Austin A40 data
bodywork
Body type4/5 seater sedan/saloon
Number of doors
Designer
dimensions & weights
mminches
Wheelbase 2350 92.5
Track/tread (front)
Track/tread (rear)
Length 3886 153
Width 1550 61
Height
Ground clearance
length:wheelbase ratio 1.65
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 40.6 PS (40 bhp) (29.8 kW)
at 4300 rpm
Specific output 33.3 bhp/litre
0.55 bhp/cu in
maximum torque
Specific torque
Engine construction
sump
compression ratio 7.2:1
Fuel system 1 Ze carb
bmep (brake mean effective pressure)
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) 20.50 s
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph) -1.00 s
Standing quarter-mile 24.40 s
Standing kilometre
Maximum speed 114 km/h (71 mph)
Power-to-weight ratio 42.03 PS/g
30.91 kW/g
41.45 bhp/ton
0.02 bhp/lb
Weight-to-power ratio 32.35 kg/kW
54.04 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 I.CS.
Rear suspension LA.SE.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R
Front brake diameter
Rear brake diameter
Gearbox 4 speed manual
Top gear ratio
Final drive ratio
general
Carfolio.com ID15345
Production total
Model code
Model family
RAC rating 10.6
Insurance classification No information available
Tax band No information available
1947 Austin A40 added before December 1995.
Last modified 2013-02-28.

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