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Caterham 21 R

(1999 model)

Brief specs of 1999 Caterham 21 R

2-door 2-seater drophead coupé (convertible coupé), petrol (gasoline) 4-cylinder straight (inline) engine, 1796 cm3 / 109.6 cu in / 109.6 cu in, 141.7 kW / 190.0 hp / 190.0 hp @ 7500 rpm / 7500 rpm / 7500 rpm, 204.0 N·m / 150.5 lb·ft / 150.5 lb·ft @ 5750 rpm / 5750 rpm / 5750 rpm, rear wheel drive, 225 km/h / 140 mph / 140 mph top speed

units: metric UK US

Basic (general) data

Marque (make)CaterhamIssued from1999
Model21 RIssued until
Serie21Number made
Model familyBody construction
Model codeBody designation
ManufacturerCaterhamCountryUK

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

Length3800 mm / 149.6 in / 149.6 inTotal (curb) weight
Width1580 mm / 62.2 in / 62.2 inDry weight
Height1060 mm / 41.7 in / 41.7 inLoad capacity
Wheelbase2250 mm / 88.6 in / 88.6 inGross (max.) weight
Track frontTowing weight
Track rearWeight distribution (front)
Ground clearanceFuel capacity66 l / 14.5 UK gal / 17.4 US gal
Length/wheelbase ratio1.69  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)1.42 m2 / 15.3 sq ft / 15.3 sq ft (est.)
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 valves
Engine ManufacturerValves per cylinder
Engine constructionBore80.0 mm / 3.15 in / 3.15 in
Fuelpetrol (gasoline)Stroke89.3 mm / 3.52 in / 3.52 in
Fuel detailsBore/Stroke ratio0.9
Fuel supplyEngine displacement1796 cm3 / 109.6 cu in / 109.6 cu in
Engine Main bearingsUnitary capacity449.00 cm3/cylinder / 27.400 cu in/cylinder / 27.400 cu in/cylinder
Cam DesignCompression ratio
SumpMax. output power141.7 kW / 190.0 hp / 190.0 hp at 7500 rpm / 7500 rpm / 7500 rpm
AspirationnaturalMax. torque204.0 N·m / 150.5 lb·ft / 150.5 lb·ft at 5750 rpm / 5750 rpm / 5750 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)56.7 kW / 76.0 hp / 76.0 hp (est.)
CoolantwaterSpecific output78.9 kW/l / 1.734 bhp/cu in / 1.734 bhp/cu in
Catalytic converteryesSpecific torque113.6 N·m/l / 0.99 lb·ft/cu in / 0.99 lb·ft/cu in

Transmission

Transmission typeNumber of gears
Wheel driverear wheel driveTop gear (drive) ratio
  Final gear (drive) ratio

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed225 km/h / 140 mph / 140 mph
Acceleration 0-60 mph (97 km/h)4.40 s / 4.40 s / 4.40 sPower-to-weight ratio
Acceleration 0-100 km/hFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)10.50 s / 10.50 s / 10.50 sFuel 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
Steeringrack & pinionSteering details
Turns lock-to-lockTurning circle
Suspension frontIndependent, Double wishbones, Coil springs, Anti-roll (anti-sway) bar (ARB)Suspension rearde Dion axle, Coil springs, Anti-roll (anti-sway) bar (ARB)
Wheels frontWheels rear
Tyres frontTyres rear
Brakes frontBrakes rear
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Caterham 21 R

Infobox

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