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Armstrong Siddeley Sapphire

(1953 model)

Brief specs of 1953 Armstrong Siddeley Sapphire

4-door 5-seater sedan (saloon), petrol (gasoline) 6-cylinder 12-valve straight (inline) engine, 3435 cm3 / 209.6 cu in / 209.6 cu in, 93.0 kW / 124.7 hp / 124.7 hp @ 4400 rpm / 4400 rpm / 4400 rpm, 239.0 N·m / 176.3 lb·ft / 176.3 lb·ft @ 1000 rpm / 1000 rpm / 1000 rpm, manual 4-speed transmission, rear wheel drive, 141 km/h / 88 mph / 88 mph top speed

units: metric UK US

Basic (general) data

Marque (make)Armstrong SiddeleyIssued from1953
ModelSapphireIssued until
SerieSapphireNumber made
Model familyBody construction
Model codeBody designation
ManufacturerArmstrong SiddeleyCountryUK

Bodywork

Base platformNumber of doors4
Bodywork typesedan (saloon)Number of seats5
Bodywork designerCargo capacity (volume)
Passenger space (volume)5290 l / 186.81 cu ft / 186.81 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length4910 mm / 193.3 in / 193.3 inTotal (curb) weight1575 kg / 3472 lb / 3472 lb
Width1840 mm / 72.4 in / 72.4 inDry weight
Height1610 mm / 63.4 in / 63.4 inLoad capacity
Wheelbase2900 mm / 114.2 in / 114.2 inGross (max.) weight
Track frontTowing weight
Track rearWeight distribution (front)
Ground clearanceFuel capacity72 l / 15.8 UK gal / 19.0 US gal
Length/wheelbase ratio1.69  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.52 m2 / 27.1 sq ft / 27.1 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeTotal number of cylinders6
Engine Typestraight (inline) (Inline, 6 cylinder)Total number of valves12
Engine ManufacturerValves per cylinder2
Engine constructionBore
Fuelpetrol (gasoline)Stroke
Fuel detailsBore/Stroke ratio
Fuel supplyCarburettorEngine displacement3435 cm3 / 209.6 cu in / 209.6 cu in
Engine Main bearingsUnitary capacity
Cam DesignCompression ratio7.0 : 1
SumpMax. output power93.0 kW / 124.7 hp / 124.7 hp at 4400 rpm / 4400 rpm / 4400 rpm
AspirationnaturalMax. torque239.0 N·m / 176.3 lb·ft / 176.3 lb·ft at 1000 rpm / 1000 rpm / 1000 rpm
Compressor typeMaximum rpm
IntercoolerMax. net output (power at the wheels)33.1 kW / 44.4 hp / 44.4 hp (est.)
CoolantwaterSpecific output27.7 kW/l / 0.609 bhp/cu in / 0.609 bhp/cu in
Catalytic converterSpecific torque69.6 N·m/l / 0.61 lb·ft/cu in / 0.61 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears4
Wheel driverear wheel driveTop gear (drive) ratio
  Final gear (drive) ratio

Performance

Acceleration 0-50 mph (80 km/h)8.90 s / 8.90 s / 8.90 sTop (maximal) speed141 km/h / 88 mph / 88 mph
Acceleration 0-60 mph (97 km/h)15.50 s / 15.50 s / 15.50 sPower-to-weight ratio80.4 kW/ton / 60.9 bhp/ton / 60.9 bhp/ton
Acceleration 0-100 km/hFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)Fuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions
  Range

Chassis

Engine locationfrontEngine alignmentlongitudinal
SteeringSteering details
Turns lock-to-lockTurning circle
Suspension frontSuspension rear
Wheels frontWheels rear
Tyres frontTyres rear
Brakes frontdiscBrakes rear
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Armstrong Siddeley Sapphire

Infobox

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