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Kopcsa 1913 Monogyroplane
In 1913 Romanian émigré Alexander Kopcsa (often found written as Kopesa and Kopsca, his original Romanian name was Alexandru Copcea), living in Chicago, invented this large flying machine (span 50 feet and length 40 feet), intended to be used in an attempt to fly across the Atlantic Ocean. The 170 hp engine was to turn two vertical and two horizontal propellers.

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