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Tachikawa Ki-9
The was an intermediate training aircraft of the Imperial Japanese Army Air Force built by Tachikawa Aircraft Company Ltd in the 1930s. It was known to the Allies of World War II, Allies World War II Allied names for Japanese aircraft, under the nickname of "Spruce" during World War II. Design and development The Ki-9 was a two-seat unequal wingspan biplane design. Tachikawa originally planned to use the same basic airframe for both basic Trainer (aircraft), training and intermediate training, differentiating the two models by the use of different engines. The prototype Ki-9 flew on 7 January 1935, powered by a nine-cylinder Hitachi Ha-13a radial engine. The second prototype was identical, and the third prototype was powered by a Nakajima Kotobuki, Nakajima NZ seven-cylinder radial engine. The third prototype exhibited stability problems due a center of gravity issue, and as a result the primary trainer model was abandoned and the Ki-9 was developed only for the intermediate ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
WikiProject Aircraft
A WikiProject, or Wikiproject, is a Wikimedia movement affinity group for contributors with shared goals. WikiProjects are prevalent within the largest wiki, Wikipedia, and exist to varying degrees within sister projects such as Wiktionary, Wikiquote, Wikidata, and Wikisource. They also exist in different languages, and translation of articles is a form of their collaboration. During the COVID-19 pandemic, CBS News noted the role of Wikipedia's WikiProject Medicine in maintaining the accuracy of articles related to the disease. Another WikiProject that has drawn attention is WikiProject Women Scientists, which was profiled by '' Smithsonian'' for its efforts to improve coverage of women scientists which the profile noted had "helped increase the number of female scientists on Wikipedia from around 1,600 to over 5,000". On Wikipedia Some Wikipedia WikiProjects are substantial enough to engage in cooperative activities with outside organizations relevant to the field at issue. For e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
