Key facts

1937 Austin Big 7 information summary

What body style?
sedan/saloon with 4/5 seats
How long?
3404 mm
How heavy?
737 kg
What size engine?
0.9 litre, 900 cm3
How many cylinders?
4, Straight
How much power?
25.3 PS / 25 bhp / 18.6 kW @ 4000 rpm
How much torque?
Unknown

Austin

Austin logo -

Austin logo

British Leyland (Austin-Morris) Limited

1937 Austin Big 7 technical specifications

Introduction

The Austin Big 7 is a saloon (sedan) style road car with a front mounted engine supplying power to the rear wheels.
The 0.9 litre engine is a naturally aspirated, side valve, 4 cylinder unit that develops 25 bhp (25.3 PS/18.6 kW) of power at 4000 rpm.
The engine supplies its power through to the wheels via a 4 speed manual gearbox.
Its quoted weight at the kerb is 737 kg.
1937 Austin Big 7 data
1937 Austin Big 7 data
bodywork
Body type4/5 seater sedan/saloon
Number of doors
Designer
dimensions & weights
mminches
Wheelbase 2223 87.5
Track/tread (front) 1143 45
Track/tread (rear) 1143 45
Length 3404 134
Width 1372 54
Height
Ground clearance 146 5.7
length:wheelbase ratio 1.53
Kerb weight 737 kg 1625 lb
Weight distribution
fuel tank capacity 27.3 litres 6 UK Gal 7.2 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer Austin
Engine code
Cylinders Straight 4
Capacity 0.9 litre
900 cc
(54.921 cu in)
Bore × Stroke 56.77 × 88.9 mm
2.24 × 3.5 in
Bore/stroke ratio 0.64
side valve (SV)
2 valves per cylinder
8 valves in total
maximum power output 25.3 PS (25 bhp) (18.6 kW)
at 4000 rpm
Specific output 27.8 bhp/litre
0.46 bhp/cu in
maximum torque
Specific torque
Engine construction
sump
compression ratio
Fuel system
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 225 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed
Power-to-weight ratio 34.39 PS/g
25.3 kW/g
33.92 bhp/ton
0.02 bhp/lb
Weight-to-power ratio 39.53 kg/kW
66.04 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 LA.SE.
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 1.00
Final drive ratio 5.13
general
Carfolio.com ID50743
Production total
Model code
Model family
RAC rating 8.0
Insurance classification No information available
Tax band No information available
1937 Austin Big 7 added before December 1995.
Last modified 2013-02-28.

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1937 Austin Big 7


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