1955 Armstrong Siddeley Sapphire 346 Limousine specifications

1955 Armstrong Siddeley Sapphire 346 Limousine data
 
bodywork
Body type6/7 seater limousine
Number of doors4
Designer
dimensions & weights
Wheelbase 3378 mm 133 inches
Track/tread (front) 1438 mm 56.6 inches
Track/tread (rear) 1460 mm 57.5 inches
Length 5385 mm 212 inches
Width 1830 mm 72 inches
Height 1676 mm 66 inches
Ground clearance
length:wheelbase ratio 1.59
Kerb weight 1830 kg 4034 lb
Weight distribution
fuel tank capacity
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type naturally aspirated petrol
Engine manufacturer
Engine code
Cylinders Straight 6
Capacity 3.4 litre
3435 cc
(209.617 cu in)
Bore × Stroke 90 × 90 mm
3.54 × 3.54 in
Bore/stroke ratio 1
Valve gear overhead valve (OHV)
2 valves per cylinder
12 valves in total
maximum power output 127 PS (125 bhp) (93 kW)
at 4700 rpm
maximum torque 247 Nm (182 ft·lb) (25.2 kgm)
at 2000 rpm
Specific output 27.1 kW/litre
36.9 ps/litre
36.4 bhp/litre
0.6 bhp/cu in
Specific torque 71.91 Nm/litre
0.87 ft·lb/cu3
Engine construction
Lubrication
compression ratio 7:1
Fuel system 1 St carb
bmep (brake mean effective pressure) 903.6 kPa (131.1 psi)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 572.5 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
69.26 PS/tonne (1000 kg)
0.07 PS/kg
50.94 kW/tonne (1000 kg)
0.05 kW/kg
68.31 bhp/tonne (1000 kg)
0.07 bhp/kg
0.03 bhp/lb
Weight-to-power ratio Lower is better
19.63 kg/kW
32.79 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 I.CS.
Rear suspension LA.SE.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R
Front brake diameter
Rear brake diameter
Braked area
Gearbox 4 speed manual
Top gear ratio 1
Final drive ratio 4.45
general
Carfolio.com ID49368
Production total
Model code
RAC rating 30.1
Insurance classification No information available
Tax band No information available
1955 Armstrong Siddeley Sapphire 346 Limousine added before December 1995.
Last modified 2013-02-28.
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