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Rolls-Royce Silver Wraith

(1946 model)

Brief specs of 1946 Rolls-Royce Silver Wraith

4-door 5-seater sedan (saloon), petrol (gasoline) 6-cylinder 12-valve straight (inline) engine, OISE (overhead inlet, side exhaust valve), 4257 cm3 / 259.8 cu in / 259.8 cu in, 92.0 kW / 123.4 hp / 123.4 hp @ 4400 rpm / 4400 rpm / 4400 rpm, manual 4-speed transmission, rear wheel drive

units: metric UK US

Basic (general) data

Marque (make)Rolls-RoyceIssued from1946
ModelSilver WraithIssued until
SerieSilver WraithNumber made
Model familyBody construction
Model codeBody designation
ManufacturerRolls-Royce Motor CarsCountryUK

Bodywork

Base platformNumber of doors4
Bodywork typesedan (saloon)Number of seats5
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length5232 mm / 206.0 in / 206.0 inTotal (curb) weight2100 kg / 4630 lb / 4630 lb
Width1854 mm / 73.0 in / 73.0 inDry weight
Height1760 mm / 69.3 in / 69.3 inLoad capacity
Wheelbase3226 mm / 127.0 in / 127.0 inGross (max.) weight
Track front1524 mm / 60.0 in / 60.0 inTowing weight
Track rear1524 mm / 60.0 in / 60.0 inWeight distribution (front)
Ground clearance184 mm / 7.2 in / 7.2 inFuel capacity82 l / 18.0 UK gal / 21.6 US gal
Length/wheelbase ratio1.62  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.77 m2 / 29.9 sq ft / 29.9 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 ManufacturerRolls-RoyceValves per cylinder2
Engine constructionBore88.9 mm / 3.50 in / 3.50 in
Fuelpetrol (gasoline)Stroke114.3 mm / 4.50 in / 4.50 in
Fuel detailsBore/Stroke ratio0.78
Fuel supplyEngine displacement4257 cm3 / 259.8 cu in / 259.8 cu in
Engine Main bearingsUnitary capacity709.50 cm3/cylinder / 43.296 cu in/cylinder / 43.296 cu in/cylinder
Cam DesignOISE (overhead inlet, side exhaust valve)Compression ratio6.4 : 1
SumpwetMax. output power92.0 kW / 123.4 hp / 123.4 hp at 4400 rpm / 4400 rpm / 4400 rpm
AspirationnaturalMax. torque at
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)36.8 kW / 49.3 hp / 49.3 hp (est.)
CoolantwaterSpecific output21.6 kW/l / 0.475 bhp/cu in / 0.475 bhp/cu in
Catalytic converternoSpecific torque

Transmission

Transmission typemanualNumber of gears4
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio3.7

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio59.5 kW/ton / 45.1 bhp/ton / 45.1 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 circle13.1 m / 43.0 ft / 43.0 ft
Suspension frontIndependent, Coil springsSuspension rearLive axle, Semi-elliptic leaf springs
Wheels frontWheels rear
Tyres front6.50 x 17Tyres rear6.50 x 17
Brakes frontdrumBrakes reardrum
Brake diameter frontBrake diameter rear
Brakes detailsservo-assisted, ABS (anti-lock braking system)Braked area

Technical specifications and performance data of Rolls-Royce Silver Wraith

Infobox

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(...)

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