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Caterham 7 Superlight R400

(2003 model)

Brief specs of 2003 Caterham 7 Superlight R400

2-door 2-seater roadster, petrol (gasoline) 4-cylinder 16-valve straight (inline) engine, DOHC (double overhead camshafts, twin cam), 1796 cm3 / 109.6 cu in / 109.6 cu in, 149.1 kW / 199.9 hp / 199.9 hp @ 7500 rpm / 7500 rpm / 7500 rpm, 210.0 N·m / 154.9 lb·ft / 154.9 lb·ft @ 5750 rpm / 5750 rpm / 5750 rpm, manual 6-speed transmission, rear wheel drive, 225 km/h / 140 mph / 140 mph top speed

units: metric UK US

Basic (general) data

Marque (make)CaterhamIssued from2003
Model7 Superlight R400Issued until
Serie7Number made
Model familyBody construction
Model codeBody designation
ManufacturerCaterhamCountryUK

Bodywork

Base platformNumber of doors2
Bodywork typeroadsterNumber of seats2
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length3100 mm / 122.0 in / 122.0 inTotal (curb) weight490 kg / 1080 lb / 1080 lb
Width1575 mm / 62.0 in / 62.0 inDry weight
Height800 mm / 31.5 in / 31.5 inLoad capacity
Wheelbase2225 mm / 87.6 in / 87.6 inGross (max.) weight
Track frontTowing weight
Track rearWeight distribution (front)
Ground clearance90 mm / 3.5 in / 3.5 inFuel capacity
Length/wheelbase ratio1.39  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)1.07 m2 / 11.5 sq ft / 11.5 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) (Inline, 4 cylinder)Total number of valves16
Engine ManufacturerRoverValves per cylinder4
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 supplyEFiEngine 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 DesignDOHC (double overhead camshafts, twin cam)Compression ratio
SumpMax. output power149.1 kW / 199.9 hp / 199.9 hp at 7500 rpm / 7500 rpm / 7500 rpm
AspirationnaturalMax. torque210.0 N·m / 154.9 lb·ft / 154.9 lb·ft at 5750 rpm / 5750 rpm / 5750 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)50.3 kW / 67.5 hp / 67.5 hp (est.)
CoolantwaterSpecific output83.0 kW/l / 1.824 bhp/cu in / 1.824 bhp/cu in
Catalytic converteryesSpecific torque116.9 N·m/l / 1.02 lb·ft/cu in / 1.02 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears6
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio3.62

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed225 km/h / 140 mph / 140 mph
Acceleration 0-60 mph (97 km/h)3.90 s / 3.90 s / 3.90 sPower-to-weight ratio408.2 kW/ton / 309.2 bhp/ton / 309.2 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
Steeringrack & pinionSteering details
Turns lock-to-lock1.93Turning circle
Suspension frontIndependent, Wishbone (A-arm, control arm), Anti-roll (anti-sway) bar (ARB)Suspension rearde Dion axle, Watt's linkage, Coil springs, Anti-roll (anti-sway) bar (ARB)
Wheels front6J x 15Wheels rear7J x 15
Tyres frontTyres rear
Brakes frontventilated discBrakes reardisc
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Caterham 7 Superlight R400

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