Polish Aviation Museum

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

Małopolska – Kraków Region


Mecenas Muzeum

Kraków Airport

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


Patroni Medialni

Skrzydlata Polska



Aircraft engine: PZL Pegasus 20

PZL Pegasus 20
Great Britain/Poland
radial engine
1938



Configuration9-cylinder radial
Coolingair-cooled
Displacement28.6 l (1745.3 cu in)
Compression ratio6.5
Weight456 kg (1005 lb)
Maximum power930 hp
Climb power840 hp at 2,250 RPM

The engine that powered Poland's most modern combat plane in 1939.

Manufactured by the No.1 Engine Factory in Warsaw-Okęcie on the licence from the British company Bristol. The Pegaz XX was fitted with a supercharger, reduction gear and Motolux, Cloudel-Hobson type AVT 80BZ carburettor. The engine powered De Havilland Hamilton Standard all metal, three blade, dual-position, variable pitch propeller. This type of engine was used in PZL‑37 Łoś (Moose) and PZL‑46 Sum (Catfish) aircraft.

The displayed engine was presented at the Polish Pavillion during the 1939 New York World's Fair. After the outbreak of WW 2, the engine remained in the USA in private hands. In 2006 the exhibit was handed to the Polish Aviation Museum by Witold Dewicki from Fowlerville, Michigan.

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Dofinansowano ze środków Ministra Kultury i Dziedzictwa Narodowego
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