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Grant Six Roadster

(1920 model)

Brief specs of 1920 Grant Six Roadster

2-door 3-seater roadster, petrol (gasoline) 6-cylinder 12-valve straight (inline) engine, OHV (overhead valve, I-head), 4257 cm3 / 259.8 cu in / 259.8 cu in, 32.8 kW / 44.0 hp / 44.0 hp @ 2200 rpm / 2200 rpm / 2200 rpm, manual 3-speed transmission, rear wheel drive

units: metric UK US

Basic (general) data

Marque (make)GrantIssued from1920
ModelSix RoadsterIssued until
SerieSixNumber made
Model familyBody construction
Model codeBody designation
ManufacturerGrantCountryUS

Bodywork

Base platformNumber of doors2
Bodywork typeroadsterNumber of seats3
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

LengthTotal (curb) weight
WidthDry weight
HeightLoad capacity
Wheelbase2794 mm / 110.0 in / 110.0 inGross (max.) weight
Track frontTowing weight
Track rearWeight distribution (front)
Ground clearanceFuel capacity38 l / 8.3 UK gal / 10.0 US gal
Length/wheelbase ratio  

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 ManufacturerValves 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 Model L carburettorEngine 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 DesignOHV (overhead valve, I-head)Compression ratio
SumpMax. output power32.8 kW / 44.0 hp / 44.0 hp at 2200 rpm / 2200 rpm / 2200 rpm
AspirationnaturalMax. torque at
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)13.1 kW / 17.6 hp / 17.6 hp (est.)
CoolantwaterSpecific output7.7 kW/l / 0.169 bhp/cu in / 0.169 bhp/cu in
Catalytic converterSpecific torque

Transmission

Transmission typemanualNumber of gears3
Wheel driverear wheel driveTop gear (drive) ratio
  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 circle
Suspension frontLive axle, Semi-elliptic leaf springsSuspension rearLive axle, Semi-elliptic leaf springs
Wheels frontWheels rear
Tyres frontTyres rear
Brakes frontBrakes rear
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Grant Six Roadster

Infobox

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