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Tatra T77

(1934 model)

Brief specs of 1934 Tatra T77

4-door 5-seater sedan (saloon), petrol (gasoline) 8-cylinder 16-valve V engine, SOHC (single overhead camshaft), 2969 cm3 / 181.2 cu in / 181.2 cu in, 55.9 kW / 75.0 hp / 75.0 hp @ 3500 rpm / 3500 rpm / 3500 rpm, 133.0 N·m / 98.1 lb·ft / 98.1 lb·ft @ 2400 rpm / 2400 rpm / 2400 rpm, manual 4-speed transmission, rear wheel drive, 145 km/h / 90 mph / 90 mph top speed

units: metric UK US

Basic (general) data

Marque (make)TatraIssued from1934
ModelT77Issued until
SerieT77Number made
Model familyBody construction
Model codeBody designation
ManufacturerTatraCountryCZ

Bodywork

Base platformNumber of doors4
Bodywork typesedan (saloon)Number of seats5
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length5400 mm / 212.6 in / 212.6 inTotal (curb) weight1800 kg / 3968 lb / 3968 lb
Width1670 mm / 65.7 in / 65.7 inDry weight
HeightLoad capacity
Wheelbase3150 mm / 124.0 in / 124.0 inGross (max.) weight
Track front1250 mm / 49.2 in / 49.2 inTowing weight
Track rear1250 mm / 49.2 in / 49.2 inWeight distribution (front)
Ground clearanceFuel capacity55 l / 12.0 UK gal / 14.4 US gal
Length/wheelbase ratio1.71  

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 cylinders8
Engine TypeV engine (90.0° vee)Total number of valves16
Engine ManufacturerTatraValves per cylinder2
Engine constructionalloy blockBore75.0 mm / 2.95 in / 2.95 in
Fuelpetrol (gasoline)Stroke84.0 mm / 3.31 in / 3.31 in
Fuel detailsBore/Stroke ratio0.89
Fuel supply1 So carbEngine displacement2969 cm3 / 181.2 cu in / 181.2 cu in
Engine Main bearingsUnitary capacity371.13 cm3/cylinder / 22.648 cu in/cylinder / 22.648 cu in/cylinder
Cam DesignSOHC (single overhead camshaft)Compression ratio5.6 : 1
SumpMax. output power55.9 kW / 75.0 hp / 75.0 hp at 3500 rpm / 3500 rpm / 3500 rpm
AspirationnaturalMax. torque133.0 N·m / 98.1 lb·ft / 98.1 lb·ft at 2400 rpm / 2400 rpm / 2400 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)48.3 kW / 64.8 hp / 64.8 hp (est.)
CoolantairSpecific output18.8 kW/l / 0.414 bhp/cu in / 0.414 bhp/cu in
Catalytic converternoSpecific torque44.8 N·m/l / 0.39 lb·ft/cu in / 0.39 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears4
Wheel driverear wheel driveTop gear (drive) ratio1.04
  Final gear (drive) ratio3.15

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed145 km/h / 90 mph / 90 mph
Acceleration 0-60 mph (97 km/h)14.00 s / 14.00 s / 14.00 sPower-to-weight ratio41.7 kW/ton / 31.6 bhp/ton / 31.6 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 locationrearEngine alignmentlongitudinal
Steeringrack & pinionSteering details
Turns lock-to-lockTurning circle
Suspension frontIndependent, Transverse leaf spring, Double wishbonesSuspension rearIndependent,SwHAx, Semi-elliptic leaf springs
Wheels frontWheels rear
Tyres front6.50 x 16Tyres rear6.50 x 16
Brakes frontBrakes rear
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Tatra T77

Infobox

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