1921 American specifications

1921 American data
 
bodywork
Body typetourer
Number of doors
Designer
dimensions & weights
Wheelbase 3226 mm 127 inches
Track/tread (front)
Track/tread (rear)
Length
Width
Height
Ground clearance
length:wheelbase ratio
Kerb weight 1524 kg 3360 lb
Weight distribution
fuel tank capacity
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type naturally aspirated petrol
Engine manufacturer Herschell-Spillman
Engine code
Cylinders Straight 6
Capacity 4.1 litre
4078 cc
(248.855 cu in)
Bore × Stroke 82.55 × 127 mm
3.25 × 5 in
Bore/stroke ratio 0.65
Valve gear side valve (SV)
2 valves per cylinder
12 valves in total
maximum power output 61 PS (60 bhp) (45 kW)
at 2200 rpm
maximum torque
Specific output 11 kW/litre
14.9 ps/litre
14.7 bhp/litre
0.24 bhp/cu in
Engine construction
Lubrication
compression ratio
Fuel system 1 Stromberg carburettor
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings 3
Engine coolant Water
Unitary capacity 679.67 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
39.92 PS/tonne (1000 kg)
0.04 PS/kg
29.36 kW/tonne (1000 kg)
0.03 kW/kg
39.37 bhp/tonne (1000 kg)
0.04 bhp/kg
0.02 bhp/lb
Weight-to-power ratio Lower is better
34.06 kg/kW
56.9 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 32 x 4
Tyres rear 32 x 4
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 ID212707
Production total
Model code
RAC rating 25.4
Insurance classification No information available
Tax band No information available
1921 American added 2010-04-29.
Last modified 2013-02-28.
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