Benz Bz.III

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.

Data from ^[3]

• 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)

• 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

• 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

Related lists

• List of aircraft engines

• 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.

• "Benz type FB, FD and FF aero engine manual". Retrieved 21 September 2024.
• "150 HP Benz aero engine manual 1917". 1917. Retrieved 21 September 2024.