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Rolls-Royce Silver Dawn

(1949 model)

Brief specs of 1949 Rolls-Royce Silver Dawn

4-door 7-seater sedan (saloon), petrol (gasoline) 6-cylinder 12-valve straight (inline) engine, OISE (overhead inlet, side exhaust valve), 4256 cm3 / 259.7 cu in / 259.7 cu in, automatic 3-speed transmission, rear wheel drive

units: metric UK US

Basic (general) data

Marque (make)Rolls-RoyceIssued from1949
ModelSilver DawnIssued until
SerieSilver DawnNumber made
Model familyBody construction
Model codeBody designation
ManufacturerRolls-Royce Motor CarsCountryUK

Bodywork

Base platformNumber of doors4
Bodywork typesedan (saloon)Number of seats7
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length5168 mm / 203.5 in / 203.5 inTotal (curb) weight1830 kg / 4034 lb / 4034 lb
Width1753 mm / 69.0 in / 69.0 inDry weight
Height1676 mm / 66.0 in / 66.0 inLoad capacity
Wheelbase3048 mm / 120.0 in / 120.0 inGross (max.) weight
Track front1442 mm / 56.8 in / 56.8 inTowing weight
Track rear1486 mm / 58.5 in / 58.5 inWeight distribution (front)
Ground clearanceFuel capacity108 l / 23.8 UK gal / 28.5 US gal
Length/wheelbase ratio1.7  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.50 m2 / 26.9 sq ft / 26.9 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 supply1 St carbEngine displacement4256 cm3 / 259.7 cu in / 259.7 cu in
Engine Main bearingsUnitary capacity709.33 cm3/cylinder / 43.286 cu in/cylinder / 43.286 cu in/cylinder
Cam DesignOISE (overhead inlet, side exhaust valve)Compression ratio6.8 : 1
SumpMax. output power at
AspirationnaturalMax. torque at
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)
CoolantwaterSpecific output
Catalytic converternoSpecific torque

Transmission

Transmission typeautomaticNumber of gears3
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio
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 circle13.0 m / 42.7 ft / 42.7 ft
Suspension frontIndependent, Coil springsSuspension rearLive axle, Semi-elliptic leaf springs
Wheels frontWheels rear
Tyres front230/70-VR16Tyres rear
Brakes frontBrakes rear
Brake diameter frontBrake diameter rear
Brakes detailsABS (anti-lock braking system)Braked area

Technical specifications and performance data of Rolls-Royce Silver Dawn

Infobox

Auto Insurance

Defined as: The contract by which the insurer assumes the risk of any loss the owner or operator of a car may incur through damage to property or persons as the result of an accident. There are many specific forms of automobile insurance, varying not only in the kinds of risk that they cover but also in the legal principles underlying them.

In “plain” English, this means coverage that is carried by someone who is driving a motor vehicle that is involved in an accident that causes property damage or personal injury to someone.

Currently, New Hampshire and Wisconsin do not have “compulsory auto insurance liability laws”. Simply put, this means that these states do not require licensed drivers (and there should not be any other kind of driver) to have some type of auto insurance policy that provides at least minimum coverage. The remaining 48 states do have such insurance laws in effect.

You should check with the state you live in if you have questions concerning whether or not you are required to have auto insurance, and also to determine if you are required to have a certain amount of coverage. If you are required to have a certain amount, you will then need to check to see if there is a minimum amount and maximum amount.

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