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NW S

Nesselsdorfer Wagenbau-Fabriks-Gesellschaft
Type S4 (18/24, 16/20)
Type S4 (20/30)
Nesselsdorf S.jpg
Overview
Manufacturer Nesselsdorfer Wagenbau-Fabriks-Gesellschaft A.G.
today Tatra, a.s.
Production 1906 - 1912 S4 (18/24, 16/20)
1913 - 1917 S4 (20/30)
62 produced
Assembly Kopřivnice, Moravia
Body and chassis
Body style diverse four- or six-seaters
Layout Front-engine, rear-wheel-drive layout
Powertrain
Engine 3,306 cc (201.7 cu in) liquid-cooled vertical four-cylinder
14,7kW (20 HP) S4 (18/24, 16/20)
14,7kW - 22kW (20–30 HP) S4 (20/30)
Transmission four speeds (+reverse)
Dimensions
Wheelbase 2,900 mm (114.2 in); 3,000 mm (118.1 in); 3,100 mm (122.0 in); 3,400 mm (133.9 in) S4 (18/24, 16/20)
3,100 mm (122.0 in) S4 (20/30)
Curb weight 1,172 kg (2,584 lb) - 1,290 kg (2,840 lb) depending on carrossery
Chronology
Successor NW T
Nesselsdorfer Wagenbau-Fabriks-Gesellschaft
Type S6
Overview
Manufacturer Nesselsdorfer Wagenbau-Fabriks-Gesellschaft A.G.
today Tatra, a.s.
Production 1912 - 1915
12 produced
Assembly Kopřivnice, Moravia
Designer Hans Ledwinka
Body and chassis
Body style diverse four or six seaters
Layout Front-engine, rear-wheel-drive layout
Powertrain
Engine 4,959 cc (302.6 cu in) liquid-cooled vertical six-cylinder
29,6kW- 36,8kW (40-50 HP)
Transmission four speeds (+reverse)
Dimensions
Wheelbase 3,450 mm (135.8 in)
Curb weight 1,800 kg (4,000 lb) depending on version
Chronology
Successor NW U

The NW type S is a veteran automobile manufactured by Nesselsdorfer Wagenbau-Fabriks-Gesellschaft A.G. (NW, now known as Tatra).

Hans Ledwinka, who left the company in 1902, was hired back in 1905 (meanwhile he worked for company of Alexander Friedman in Vienna). Immediately he started working on a new car with modern and progressive design. Some of the new features included overhead valves, actuated by overhead camshaft (OHC), and hemispherical combustion chamber. The engine was mounted at three points, the engine block had large service access doors. The engine with the gearbox formed one massive unit, so-called monoblock.

The gearbox itself was of a bell shape with only five gears. Two gears were ring type with teeth on the inside surface. Individual speeds were engaged by moving the gears radially. The rear axle was driven by a drive shaft in lieu of chains.

The S 4 and S 6 with four-cylinder or six-cylinder engines were able to reach maximum speeds of 80 km/h and 100 km/h (50/62 mph). The total production of both models was 74 units.



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