1921 Hatfield Roadster specifications

1921 Hatfield Roadster data
 
bodywork
Body type2+2 seater roadster
Number of doors2
Designer
dimensions & weights
Wheelbase 2921 mm 115 inches
Track/tread (front)
Track/tread (rear)
Length
Width
Height
Ground clearance
length:wheelbase ratio
Kerb weight
Weight distribution
fuel tank capacity
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type
Engine manufacturer Herschell-Spillman
Engine code
Cylinders Straight 4
Capacity 2.7 litre
2719 cc
(165.924 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
8 valves in total
maximum power output 37.5 PS (37 bhp) (27.6 kW)
at 2000 rpm
maximum torque
Specific output 10.1 kW/litre
13.8 ps/litre
13.6 bhp/litre
0.22 bhp/cu in
Engine construction
Lubrication
compression ratio
Fuel system 1 Zenith carburettor
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 679.75 cc
Aspiration
Compressor
Intercooler
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
Weight-to-power ratio
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 4.63
general
Carfolio.com ID551947
Production total
Model code
Model family A-42
RAC rating 16.9
Insurance classification No information available
Tax band No information available
1921 Hatfield Roadster added 2018-05-23.
Last modified 2020-03-16.

Hatfield A-42 - A-42 models

4 door sedan/​saloon FR 3M 2719 cm3/165.9cuin 38 PS 37 bhp 28 kW
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Dort Roadster -
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