Benz_Bz.III Knowpia

Bz.III
Type	6-cylinder in-line water-cooled piston engine
National origin	Germany
Manufacturer	Benz & Cie.

The Benz Bz.III was a six-cylinder, water-cooled, inline engine developed in Germany for use in aircraft in 1914. Developing 112 kW (150 hp) at 1,400 rpm from 14.3 L (875 cu in),^[1] it powered many German military aircraft during World War I. It was replaced in production by the unrelated Benz Bz.IIIa^[2].^[1] and eventually the V-8 Benz Bz.IIIb. The Benz Bz.III was built under licence in Sweden by AB Thulinverken, known as the Thulin E.

Applications edit

AEG C.I
AEG C.II
AEG C.III
AEG C.IV
AEG G.II
Albatros C.I
Albatros C.II
Albatros C.III
Albatros D.I
Albatros W.3
Albatros G.II
Friedrichshafen FF.33
Friedrichshafen FF.41
Friedrichshafen G.I
Gotha G.I
Hansa-Brandenburg KDW
Hansa-Brandenburg W.12
Hansa-Brandenburg W.29
LFG Roland D.VII
Riesenflugzeuge – Germany's giant aircraft of WWI

Specifications edit

Data from ^[3]

General characteristics

Type: Six-cylinder, inline piston engine
Bore: 130 mm (5.118 in)
Stroke: 180 mm (7.087 in)
Displacement: 14.3 L (873 cu in)
Dry weight: 270 kg (595 lb)

Components

Valvetrain: One camshaft in the engine block, driving one inlet and one exhaust valve per cylinder via pushrods and rocker arms (overhead valve).
Cooling system: Water-cooled

Performance

Power output: 112 kW (150 hp) at 1,400 rpm
Specific power: 8.4 kW/L
Compression ratio: 4.7
Specific fuel consumption: 310 g/kWh

References edit

^ ^a ^b Smith 1981, p.53.
^ "Benz Bz.IIIa". aircraftinvestigation.
^ Kyrill von Gersdorff 1981, p.19.

Bibliography edit

Gunston, Bill (1986). World Encyclopedia of Aero Engines. Wellingborough: Patrick Stephens. pp. 22–23.
Kyrill von Gersdorff, Kurt Grasmann. Flugmotoren und Strahltriebwerke, Bernard & Graefe Verlag, 1981, ISBN 3-7637-5272-2
Smith, Herschel. Aircraft Piston Engines. New York: McGraw-Hill, 1981. ISBN 0-07-058472-9.