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Rolls-Royce logo

Rolls-Royce Phantom I

(1925 model)

Brief specs of 1925 Rolls-Royce Phantom I

4-door 7-seater sedan (saloon), petrol (gasoline) 6-cylinder 12-valve straight (inline) engine, OHV (overhead valve, I-head), 7668 cm3 / 467.9 cu in / 467.9 cu in, 70.8 kW / 94.9 hp / 94.9 hp @ 2750 rpm / 2750 rpm / 2750 rpm, manual 4-speed transmission, rear wheel drive, 145 km/h / 90 mph / 90 mph top speed

units: metric UK US

Basic (general) data

Marque (make)Rolls-RoyceIssued from1925
ModelPhantom IIssued until
SeriePhantomNumber 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

Length5563 mm / 219.0 in / 219.0 inTotal (curb) weight
Width1829 mm / 72.0 in / 72.0 inDry weight
HeightLoad capacity
Wheelbase3658 mm / 144.0 in / 144.0 inGross (max.) weight
Track front1473 mm / 58.0 in / 58.0 inTowing weight
Track rear1473 mm / 58.0 in / 58.0 inWeight distribution (front)
Ground clearanceFuel capacity
Length/wheelbase ratio1.52  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeTotal number of cylinders6
Engine Typestraight (inline) Total number of valves12
Engine ManufacturerRolls-RoyceValves per cylinder2
Engine constructionBore108.0 mm / 4.25 in / 4.25 in
Fuelpetrol (gasoline)Stroke140.0 mm / 5.51 in / 5.51 in
Fuel detailsBore/Stroke ratio0.77
Fuel supply1 R-R carbEngine displacement7668 cm3 / 467.9 cu in / 467.9 cu in
Engine Main bearings7Unitary capacity1278.00 cm3/cylinder / 77.988 cu in/cylinder / 77.988 cu in/cylinder
Cam DesignOHV (overhead valve, I-head)Compression ratio
SumpwetMax. output power70.8 kW / 94.9 hp / 94.9 hp at 2750 rpm / 2750 rpm / 2750 rpm
AspirationnaturalMax. torque at
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)28.3 kW / 38.0 hp / 38.0 hp (est.)
CoolantwaterSpecific output9.2 kW/l / 0.203 bhp/cu in / 0.203 bhp/cu in
Catalytic converternoSpecific torque

Transmission

Transmission typemanualNumber of gears4
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed145 km/h / 90 mph / 90 mph
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
Steeringworm & nutSteering details
Turns lock-to-lockTurning circle
Suspension frontLive axle, Semi-elliptic leaf springsSuspension rearLive axle, Cantilevernt
Wheels front6.75 x 21Wheels rear6.75 x 21
Tyres front7.00 x 21Tyres rear7.00 x 21
Brakes frontdrumBrakes reardrum
Brake diameter frontBrake diameter rear
Brakes detailsservo-assistedBraked area

Technical specifications and performance data of Rolls-Royce Phantom I

Infobox

The Varying Drivers License Requirements Around the World

Minimum driving ages, the number of passengers young drivers can have with them at any time, the times of day that drivers under the age of 18 can drive…

These all vary depending on where young motorists are driving. They vary, even, across the United States.

For instance, in Maine, motorists under the age of 18 aren’t allowed to have any passengers with them as they drive for the first 180 days after they obtain their licenses. In Alabama, motorists under the age of 18 can have one passenger with them.

And that’s just one example of the differences in driving license requirements from one part of the country to the next. The differences are even more pronounced when comparing one country to another. Minimum driving ages vary widely across the world. While most states in the United States allow youngsters to earn their learner’s permits at the age of 15, many other countries require their residents to be much older before they get behind the wheel of a car.

(...)

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