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Lotus Seven

(1957 model)

Brief specs of 1957 Lotus Seven

2-door 2-seater drophead coupé (convertible coupé), petrol (gasoline) 4-cylinder 8-valve straight (inline) engine, DOHC (double overhead camshafts, twin cam), 1558 cm3 / 95.1 cu in / 95.1 cu in, 94.0 kW / 126.1 hp / 126.1 hp @ 6500 rpm / 6500 rpm / 6500 rpm, 153.0 N·m / 112.8 lb·ft / 112.8 lb·ft @ 5500 rpm / 5500 rpm / 5500 rpm, rear wheel drive, 166 km/h / 103 mph / 103 mph top speed

units: metric UK US

Basic (general) data

Marque (make)LotusIssued from1957
ModelSevenIssued until
SerieSevenNumber made
Model familyBody construction
Model codeBody designation
ManufacturerLotusCountryUK

Bodywork

Base platformNumber of doors2
Bodywork typedrophead coupé (convertible coupé)Number of seats2
Bodywork designerCargo capacity (volume)
Passenger space (volume)3340 l / 117.95 cu ft / 117.95 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length3366 mm / 132.5 in / 132.5 inTotal (curb) weight750 kg / 1653 lb / 1653 lb
Width1549 mm / 61.0 in / 61.0 inDry weight
Height940 mm / 37.0 in / 37.0 inLoad capacity
Wheelbase2184 mm / 86.0 in / 86.0 inGross (max.) weight
Track frontTowing weight
Track rearWeight distribution (front)
Ground clearanceFuel capacity29 l / 6.4 UK gal / 7.7 US gal
Length/wheelbase ratio1.54  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)1.24 m2 / 13.3 sq ft / 13.3 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) (Inline, 4 cylinder)Total number of valves8
Engine ManufacturerValves per cylinder2
Engine constructionBore82.6 mm / 3.25 in / 3.25 in
Fuelpetrol (gasoline)Stroke72.8 mm / 2.86 in / 2.86 in
Fuel detailsBore/Stroke ratio1.13
Fuel supplyEngine displacement1558 cm3 / 95.1 cu in / 95.1 cu in
Engine Main bearingsUnitary capacity389.50 cm3/cylinder / 23.769 cu in/cylinder / 23.769 cu in/cylinder
Cam DesignDOHC (double overhead camshafts, twin cam)Compression ratio10.3 : 1
SumpMax. output power94.0 kW / 126.1 hp / 126.1 hp at 6500 rpm / 6500 rpm / 6500 rpm
AspirationnaturalMax. torque153.0 N·m / 112.8 lb·ft / 112.8 lb·ft at 5500 rpm / 5500 rpm / 5500 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)39.5 kW / 52.9 hp / 52.9 hp (est.)
CoolantwaterSpecific output60.3 kW/l / 1.326 bhp/cu in / 1.326 bhp/cu in
Catalytic converternoSpecific torque98.2 N·m/l / 0.86 lb·ft/cu in / 0.86 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) speed166 km/h / 103 mph / 103 mph
Acceleration 0-60 mph (97 km/h)7.10 s / 7.10 s / 7.10 sPower-to-weight ratio168.0 kW/ton / 127.3 bhp/ton / 127.3 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 Lotus Seven

Infobox

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