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PWS-33 Wyżeł
The PWS-33 Wyżeł was a Polish twin-engined military trainer aircraft from a period before World War II constructed by ''Podlaska Wytwórnia Samolotów'' or PWS ("Podlasie Aircraft Factory"). Although destined for production it got no further than the prototypes before Poland was invaded.
==Design and development==
With an expected advent of a twin-engine heavy fighter, the PZL.38 Wilk, which was supposed to be a basic fighter and bomber aircraft in the Polish Air Force, there appeared the need for a twin-engine trainer aircraft for pilots. In 1936, the PWS works were ordered to build a trainer of cheap wooden construction, similar in layout to the PZL.38. The main designer was Wacław Czerwiński, known for designing several successful sailplanes.
The prototype of the PWS-33 first flew in August–September 1938. The aircraft appeared successful with good flight characteristics and the maximum speed turned out to be even higher than had been estimated. It was given a name ''Wyżeł'' (Polish: "pointer"). The prototype was soon shown at the Paris Air Show, in November–December 1938 (under the name PZL Wyżeł) and met with an interest in the world press. In January 1939 the second prototype PWS-33/II flew. It was also capable of aerobatics. The plane was quite light and small and comparable to the single-engine trainer PWS-26.
After trials, the plane was ordered into production. In the meantime, the PZL.38 Wilk program was appearing unsuccessful due to lack of proper engines and was canceled. However the PWS-33 could still find a place as a trainer for pilots of PZL.37 Łoś medium bombers, which were also similar in appearance to the PWS-33, and for future heavy fighters such as the PZL.48 Lampart. In summer 1939 production of the first series of 25 aircraft started but they were not completed due to the outbreak of war.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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