Eurocopter X3 https://airforces.fr/category/aircraft/helicopters/eurocopter-x3/ ANGLAIS AERONAUTIQUE - HISTOIRE DE L'AVIATION - Gustave Whitehead, Maxime Lenoir Thu, 08 Oct 2020 18:41:21 +0000 fr-FR hourly 1 X3 concept – experimental compound helicopter https://airforces.fr/2010/09/30/x3-concept-experimental-compound-helicopter/ Thu, 30 Sep 2010 20:22:37 +0000 http://airforces.fr/?p=4532 The Eurocopter X3 concept is a High-speed long-range Hybrid Helicopter (H3 concept) which flies up to 220 knots or 410 km/h. Special thanks to Xavier – http://passiondesavions.blogspot.com webmaster – who stumbled upon this French-subtitled video:

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]]> The Eurocopter X3 concept is a High-speed long-range Hybrid Helicopter (H3 concept) which flies up to 220 knots or 410 km/h. Special thanks to Xavier – http://passiondesavions.blogspot.com webmaster – who stumbled upon this French-subtitled video:

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