Polish Aviation Museum Cracow

31-864 Kraków,
al. Jana Pawła II 39
phone: (12) 640 99 60,
(12) 642 40 70
e-mail: info@muzeumlotnictwa.pl

a cultural institution of the Malopolska Region

Mecenas Muzeum

Instytut Techniczny Wojsk Lotniczych - sponsor restauracji samolotu Caudron CR.714 Cyclone

Patroni Medialni

Aircraft engine: Siemens-Halske Sh III

Germany
rotary engine
1917

Configuration	11-cylinder radial
Cooling	air-cooled
Displacement	18.6 l (1,135 cu in)
Weight	195 kg (430 lb)
Maximum power	160 hp

A so-called bi-rotary (or counter rotary) engine, in which the crank case, cylinders and the propeller rotate in opposite direction to the rotation of the crankshaft. This is made possible by utilizing planetary gearbox. In this system, the power was increased over 35%. The engine is fitted to the Albatros H-1 experimental aircraft.

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