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Fairthorpe Atom Mark III

Bodywork

type 2S FHC
doors 2

Engine information

Bore × stroke 70.00 mm × 84.00 mm 2.76 in × 3.31 in
Cylinders S-2
Displace 0.6 litre 646 cc (39.421 cu in)
Engine type OHV
Valves 2 valves per cylinder | 4 valves in total
Engine construction
Sump
Compression ratio 6.50:1
Fuel system 1 Am carb
Maximum power
0-50 mph
0-60 mph
0-100 mph
0-100 km/h
80 - 120 km/h
402 m (Quarter mile)
Standing km
Top speed
Fuel consumption
CO2 emissions
Power to weight ratio 81.21 bhp/ton
Specific output
Maximum torque
bmep 953.2 kPa (138.2 psi)
Specific torque 75.85 Nm/litre
Maximum rpm
Code
Main bearings
Coolant Air
Bore / stroke ratio 0.83
Unitary capacity 323 cc/cylinder
Aspiration Normal
Compressor type N/A
Intercooler None
Catalytic converter N

Dimensions and weight

wheelbase 2261 mm
wheelbase 89 in
Length (milimeters) 3658 mm
Length (inches) 144 in
Width (milimeters) 1524 mm
Width (inches) 60 in
Height (milimeters) 1372 mm
Height (inches) 54 in
L:W ratio 1.62
Ground clearance (milimeters) 191 mm
Ground clearance (inches) 7.5 in
Kerb weight (kilograms) 431 kg
Kerb weight (pounds) 950 lb
Weight distribuiton
Fuel capacity (litres) 20.5 litre
Fuel capacity (UK Ga) 4.5 UK Gal
Fuel capacity (US Gal) 5.4 US Gal

Aerodynamics

Drag coefficient
Frontal area
Cx

Chassis

Engine location Rear
Engine alignment Unknown
Drive RWD
Steering
Turns lock-to-lock
Turning circle
Tyres
Wheels
Brakes F/R Dr/Dr
Brake ∅
Braked area
Transmission 3M
Top gear ratio 1.00
Final drive ratio 4.90

General information

RAC rating 6.1
Number made
Model code
Model family
Insurance classification No information available
Tax band No information available

Manual Download

Download 1955 Fairthorpe Atom Mark III PDF Manual
Designer unknown
Year 1955

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