1933 Frazer Nash Colmore 12/50

This vehicle has a 2 door roadster type body with a front mounted engine powering the rear wheels. The 1.5 litre engine is a naturally aspirated, overhead valve, 4 cylinder unit that has an output of 55 bhp (56 PS/41 kW) of power at 4000 rpm. Its stated kerb weight is 787 kg.

Pictures

Key facts

1933 Frazer Nash Colmore 12/50 information summary

What body style?
2 door roadster with 2 seats
How long?
3658 mm
How heavy?
787 kg
What size engine?
1.5 litre, 1496 cm3
How many cylinders?
4, Straight
How much power?
56 PS / 55 bhp / 41 kW @ 4000 rpm
How much torque?
Unknown

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1933 Frazer Nash Colmore 12/50 data
bodywork
Body type2 seater roadster
Number of doors2
Designer
dimensions & weights
mminches
Wheelbase 2667 mm 105 inches
Track/tread (front) 1219 mm 48 inches
Track/tread (rear) 1219 mm 48 inches
Length 3658 mm 144 inches
Width 1372 mm 54 inches
Height
Ground clearance
length:wheelbase ratio 1.37
Kerb weight 787 kg 1735 lb
Weight distribution
fuel tank capacity
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer
Engine code
Cylinders Straight 4
Capacity 1.5 litre
1496 cc
(91.292 cu in)
Bore × Stroke 69 × 100 mm
2.72 × 3.94 in
Bore/stroke ratio 0.69
Valve gear overhead valve (OHV)
2 valves per cylinder
8 valves in total
maximum power output 56 PS (55 bhp) (41 kW)
at 4000 rpm
Specific output 36.8 bhp/litre
0.6 bhp/cu in
maximum torque
Specific torque
Engine construction
sump
compression ratio 6.8:1
Fuel system 2 Am carbs
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 374 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 70.86 PS/tonne (1000 kg)
52.11 kW/tonne (1000 kg)
69.89 bhp/tonne (1000 kg)
0.03 bhp/lb
Weight-to-power ratio 19.19 kg/kW
32.05 lb/bhp
fuel consumption
Fuel consumption
universal 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
Tyres rear
Brakes F/R
Front brake diameter
Rear brake diameter
Braked area
Gearbox
Top gear ratio 1
Final drive ratio 3.80
general
Carfolio.com ID59510
Production total
Model code
Model family
RAC rating 11.8
Insurance classification No information available
Tax band No information available
1933 Frazer Nash Colmore 12/50 added before December 1995.
Last modified 2013-02-28.