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: Praga Doris D

Czechosloviakia
inline engine
1936

Configuration	4-cylinder flat
Cooling	air-cooled
Displacement	2.93 l (173 cu in)
Compression ratio	6.1
Weight	67 kg (148 lb)
Maximum power	75 hp at 2,650 RPM

The engine was intended for light aircraft. It was designed at Praga works in 1936, but entered large-scale production only after World War II. It was used on Zlin Z‑22 Junak and Mraz M‑2 Skaut.

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