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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク LWD Żak ： ウィキペディア英語版 LWD Żak The LWD Żak was a Polish touring and trainer aircraft of the late 1940s, designed in the LWD and built in a short series. ==Design and development== The Żak (old-fashioned "student") was designed in the Lotnicze Warsztaty Doświadczalne (LWD, ''Aviation Experimental Workshops'') in Łódź, directed by Tadeusz Sołtyk in 1946, as one of the first Polish post-war aircraft. It was a light low-wing cantilever monoplane of a mixed construction, with a crew of two, sitting side by side, and fixed conventional landing gear. The first prototype Żak-1 was first flown on March 23, 1947. It was powered by the Czechoslovak 65 hp straight engine Walter Mikron III and carried markings SP-AAC. The second prototype Żak-2 was powered by the 65 hp flat engine Continental A-65 and had an open cockpit. It was flown on November 27, 1947 and carried markings SP-AAE. The design appeared successful and the Ministry of Communication ordered a series of 10 aircraft. They were to be powered by licence-built A-65 engines, but since plans of engine production were abandoned, it was decided to fit them with Walter Mikron engines. They were also fitted with a closed canopy, sliding rearwards, and named Żak-3. Ten planes were built by the LWD in the end of 1948, the first of them was flown on November 8, 1948. They had markings: SP-AAS to SP-AAZ, and SP-BAA to SP-BAC. At least one (SP-AAX) had engine replaced later with 85 hp (63 kW) Cirrus F.III. They were used in the Polish regional aero clubs until 1955. On October 20, 1948 there was flown a prototype of the last variant, Żak-4, meant for a glider towing. It had stronger 105 hp Walter engine and an open canopy. Since it showed unsuitable for glider towing, and old Polikarpov Po-2 appeared the better plane for this purpose, Żak-4 was not built in series, and the prototype was re-fitted with a closed canopy and used as a touring plane in aero club (markings SP-BAE). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「LWD Żak」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.