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This image or file is a work of a United States Coast Guard service personnel or employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image or file is in the public domain (17 U.S.C. § 101 and § 105, USCG main privacy policy and specific privacy policy for its imagery server
Igor Sikorsky was born in Kiev, Russian Empire (now Kyiv, Ukraine), on May 25, 1889. [6] [10] [11] He was the youngest of five children.His father, Ivan Alexeevich Sikorsky, was a professor of psychology in Saint Vladimir University (now Taras Shevchenko National University), a psychiatrist with an international reputation, and an ardent Russian nationalist.
4chan Homepage on May 3, 2023 Type of site Imageboard Available in English Country of origin United States Owner Hiroyuki Nishimura (since 2015) Created by Christopher Poole URL 4chan.org Advertising Yes Commercial Yes Registration None (except for staff) Launched October 1, 2003 ; 21 years ago (2003-10-01) Current status Active 4chan is an anonymous English-language imageboard website ...
The American Helicopter Society (AHS) International's Igor I. Sikorsky Human Powered Helicopter Competition was a competition to achieve the first human-powered helicopter flight to reach an altitude of 3 m (10 ft) during a flight lasting at least 60 seconds, while remaining within a 10 m (32.8 ft) x 10 m (32.8 ft) square, and complying with other competition requirements. [1]
Two groups from RBVZ took part in the competition. V.V. Kireev led the first group, located in Riga. A second group, located in Petrograd, reported to Igor Sikorsky. [1]: 54-57 The engine designed by Sikorsky's team in Petrograd closely followed the design of the Argus 140 hp and was designated as the MRB-6.
Kaman's first aircraft experience was working for Igor Sikorsky. In 1945, he started his own aircraft company, Kaman Aircraft, to pursue his own designs. [2] In January 1947, the Kaman K-125 helicopter first flew. It utilized intermeshing rotors and Kaman's patented servo-flap rotor control. [2]
"The Fappening" is a jocular portmanteau coined by combining the words "fap", an internet slang term for masturbation, and the title of the 2008 film The Happening.Though the term is a vulgarism originating either with the imageboards where the pictures were initially posted or Reddit, mainstream media outlets soon adopted the term themselves, such as the BBC.
Igor Sikorsky's first helicopter success in Stratford on September 14, 1939 is documented as well as his subsequent productions. [2] Also displayed are the small gas turbine engines developed locally by Dr. Anselm Franz at Avco Lycoming which power such helicopters as the Bell Helicopter UH-1 Iroquois or Huey and the Boeing CH-47 Chinook.