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: Köller Kroeber M4

Germany
inline engine
1935

Configuration	2-cylinder flat
Cooling	air-cooled
Displacement	0.634 l (38,7 cu in)
Weight	27.8 kg (61.3 lb)
Maximum power	18 hp at 2,700 RPM
Cruise power	16.6 hp at 2,650 RPM

A 2-stroke engine, fitted to an original engine mount. Engines of the type were used, among others, in German motor glider Grunau Motor-Baby and Polish motor glider Bąk I.

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