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潜水空母シュルクーフ搭載用二重反転ローターヘリ。しかも、ローターシャフトが銃座… x.com/aviationmarlen…

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Marlène Aviation@AviationMarlene

Dorand GYROPLANE G20 was designed to equip the submarine Surcouf. It was designed to reach speeds of 250 km/h and a range of 800 km. Built in 1938-1940, it was not completed until 1947 because of the war. It was then considered dangerous to try it out, which is why it never flew. pic.x.com/i7onew0vpz

新居宏之@moonmady

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