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Jowett Jupiter R1

(1951 model)

Brief specs of 1951 Jowett Jupiter R1

2-door 2-seater drophead coupé (convertible coupé), petrol (gasoline) 4-cylinder 8-valve straight (inline) engine, OHV (overhead valve, I-head), 1486 cm3 / 90.7 cu in / 90.7 cu in, 52.2 kW / 70.0 hp / 70.0 hp @ 5000 rpm / 5000 rpm / 5000 rpm, rear wheel drive, 161 km/h / 100 mph / 100 mph top speed

units: metric UK US

Basic (general) data

Marque (make)JowettIssued from1951
ModelJupiter R1Issued until
SerieJupiterNumber made
Model familyBody construction
Model codeBody designation
ManufacturerJowettCountryUK

Bodywork

Base platformNumber of doors2
Bodywork typedrophead coupé (convertible coupé)Number of seats2
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length4343 mm / 171.0 in / 171.0 inTotal (curb) weight686 kg / 1512 lb / 1512 lb
Width1575 mm / 62.0 in / 62.0 inDry weight
HeightLoad capacity
Wheelbase2362 mm / 93.0 in / 93.0 inGross (max.) weight
Track front1321 mm / 52.0 in / 52.0 inTowing weight
Track rear1321 mm / 52.0 in / 52.0 inWeight distribution (front)
Ground clearanceFuel capacity
Length/wheelbase ratio1.84  

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 cylinders4
Engine Typestraight (inline) Total number of valves8
Engine ManufacturerJowettValves per cylinder2
Engine constructionBore72.5 mm / 2.85 in / 2.85 in
Fuelpetrol (gasoline)Stroke90.0 mm / 3.54 in / 3.54 in
Fuel detailsBore/Stroke ratio0.81
Fuel supply2 Ze carbsEngine displacement1486 cm3 / 90.7 cu in / 90.7 cu in
Engine Main bearingsUnitary capacity371.50 cm3/cylinder / 22.670 cu in/cylinder / 22.670 cu in/cylinder
Cam DesignOHV (overhead valve, I-head)Compression ratio9.2 : 1
SumpMax. output power52.2 kW / 70.0 hp / 70.0 hp at 5000 rpm / 5000 rpm / 5000 rpm
AspirationnaturalMax. torque at
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)20.9 kW / 28.0 hp / 28.0 hp (est.)
CoolantwaterSpecific output35.1 kW/l / 0.772 bhp/cu in / 0.772 bhp/cu in
Catalytic converternoSpecific torque

Transmission

Transmission typeNumber of gears
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio4.1

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed161 km/h / 100 mph / 100 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio102.0 kW/ton / 77.3 bhp/ton / 77.3 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 frontBrakes rear
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Jowett Jupiter R1

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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