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
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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