1920 Birch Light Four specifications

1920 Birch Light Four data
 
bodywork
Body type
Number of doors
Designer
dimensions & weights
Wheelbase 2743 mm 108 inches
Track/tread (front)
Track/tread (rear)
Length
Width
Height
Ground clearance
length:wheelbase ratio
Kerb weight 989 kg 2180 lb
Weight distribution
fuel tank capacity
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type naturally aspirated petrol
Engine manufacturer LeRoi
Engine code
Cylinders Straight 4
Capacity 2.3 litre
2264 cc
(138.158 cu in)
Bore × Stroke 79.4 × 114.3 mm
3.13 × 4.5 in
Bore/stroke ratio 0.69
Valve gear side valve (SV)
2 valves per cylinder
8 valves in total
maximum power output 28.4 PS (28 bhp) (20.9 kW)
at 2200 rpm
maximum torque
Specific output 9.2 kW/litre
12.5 ps/litre
12.4 bhp/litre
0.2 bhp/cu in
Engine construction
Lubrication
compression ratio
Fuel system 1 Schebler carburettor
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings 2
Engine coolant Water
Unitary capacity 566 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 Higher is better
28.7 PS/tonne (1000 kg)
0.03 PS/kg
21.11 kW/tonne (1000 kg)
0.02 kW/kg
28.31 bhp/tonne (1000 kg)
0.03 bhp/kg
0.01 bhp/lb
Weight-to-power ratio Lower is better
47.37 kg/kW
79.12 lb/bhp
fuel consumption
Fuel consumption
universal fuel consumption (calculated from the above)
litres/100km
km/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 30 x 3½
Tyres rear 30 x 3½
Brakes F/R
Front brake diameter
Rear brake diameter
Braked area
Gearbox 3 speed manual
Top gear ratio 1
Final drive ratio 4.50
general
Carfolio.com ID211618
Production total
Model code
RAC rating 15.6
Insurance classification No information available
Tax band No information available
1920 Birch Light Four added 2010-04-29.
Last modified 2013-02-28.
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