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纵观旋翼飞行器发展的历史,我国古代和近代对直升机事业的贡献是举世公认的。且不说国外许多有关直升机历史的文章和著作中,开宗明义第一章就把中国古代的竹蜻蜒和晋代葛洪制作的飞车,作为对直升机发展的开创性贡献而提到突出的地位,就连清代徐正明的飞车,以及近代朱家仁制造的飞机和直升机,也都有明确记载。 1939年西科斯基研制的VS-300直升机问世,不久又研制出了XR-4直升机。1943年,他们就携这种直升机来我国昆明进行飞行表演。一石激起千层浪,XR-4直升机的精彩表演,使直升机的发源地——竹蜻蜓故乡的人们
Throughout the history of the development of rotorcraft, the ancient and modern Chinese contribution to the cause of helicopters is universally acknowledged. Not to mention many foreign articles and writings on the history of helicopters, the first chapter of the outspoken interpretation referred to the prominence of the bamboo dragonfly of ancient China and that of Ge Hong in the Jin Dynasty as pioneering contributions to the development of helicopters, Even the Qing Dynasty Xu Zhengming’s speeding car, as well as the modern Zhujia Ren-made aircraft and helicopters, also have a clear record. 1939 Sikorsky developed VS-300 helicopters come out, and soon developed a XR-4 helicopters. In 1943, they brought this helicopter to Kunming, China for airstrikes. A stone aroused Melaleuca wave, XR-4 helicopter wonderful performances, so that the birthplace of helicopters - the hometown of bamboo dragonflies