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![Igor Sikorsky - Wikipedia, the free encyclopedia]()
en.wikipedia.orgIgor Ivanovich Sikorsky (Russian: И́горь Ива́нович Сико́рский , IPA: ['iɡərʲ ɪ'vanəvit͡ɕ sʲ'korskʲɪj] ( listen), tr. Ígor' Ivánovič Sikórskij; May 25, 1889 – October 26, 1972),[1][N 1] was a Russian American aviation pioneer in both helicopters and fixed-瀏覽：760 -
![Sikorsky R-4 - Wikipedia, the free encyclopedia]()
en.wikipedia.orgThe Sikorsky R-4 was a two-place helicopter designed by Igor Sikorsky with a single, three-bladed main rotor and powered by a radial engine. The R-4 was the world's first large-scale mass-produced helicopter and the first helicopter used by the United Sta瀏覽：402
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日期：2025-06-29
The Sikorsky R-4, or VS-316A, was a definitive development of Igor Sikorsky's successful pre-war VS-300, and in 1944 became the first helicopter in the world to be placed in series production. Like the VS-300, it had a framework of heavy-gauge steel tube,...
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日期：2025-06-28
The Sikorsky R-4 was the world's first mass-produced helicopter and the United States Air Force's first service helicopter. The VS-316, was developed from the famous experimental VS-300 helicopter, invented by Igor Sikorsky and publicly demonstrated in 19...
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日期：2025-07-03
S-58 (CH-34, UH-34, VH-34, SH-34, HH-34, S-58A, C, D, S-58T) Background Early development of the Sikorsky S-58 (H-34) helicopter was accomplished with company funds as a follow on for the S-55 (H-19) helicopter. It was twice as powerful as the S-55 ......
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日期：2025-07-01
The Invention Of The Helicopter v1.0.1 / 01 aug 02 / greg goebel / public domain * At the dawn of powered flight, aviation pioneers believed that rotary-wing aircraft were right around the corner. In fact, while fixed-wing aircraft were quickly refined an...
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日期：2025-07-01
Le Sikorsky R-4 est un hélicoptère construit par la société américaine Sikorsky Aircraft Corporation. Il fut le premier hélicoptère à être utilisé par l'USAF. v · d · m Hélicoptères produits par Sikorsky Hélicoptères militaires CH-53 Sea Stallion (CH-53E ...
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日期：2025-06-29
Il Sikorsky R-4, designazione dell'azienda VS-316, era un elicottero leggero biposto prodotto dall'azienda statunitense Sikorsky Aircraft Corporation negli anni quaranta. L'R-4, successivamente ridenominato H-4, detiene i primati di essere stato il primo ...
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日期：2025-07-01
Der Sikorsky R-4 war ein in den 1940er Jahren entwickelter und eingesetzter Hubschrauber des US-amerikanischen Herstellers Sikorsky Aircraft Corporation. Der R-4 war sowohl das erste in den USA in Serie produzierte, als auch das erste von den Streitkräfte...
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日期：2025-06-26
Der Sikorsky S-65 (militärische Bezeichnung CH-53) ist ein mittelschwerer Transporthubschrauber, der zur Beförderung von Personen oder Material dient und von der Sikorsky Aircraft Corporation hergestellt wird. Die Bundeswehrvariante führt die Typenbezeich...
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