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Thread: Hummingbird 4 seat kit helicopter
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Old 18th Feb 2019, 20:55
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helihub
 
Join Date: Jan 2010
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Don't be too hopeful, as350nut - it's based on the Sikorsky S52 which first flew in 1947 and the kit has been proposed since 1991 according to this page https://en.wikipedia.org/wiki/Vertical_Hummingbird



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