NON-GERMAN CIRCULAR AND DISC AIRCRAFT HISTORY - PART I
(1911-1943)
1911 McCormick-Romme Umbrella Plane [aka Vought Umbrella Plane] |
Lee Richard's Annular wing |
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1929 Paul Maiwurm Fly Wurm annular
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1931 Union Rotorplane cylinder wing
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1933 Caproni Stipa annular |
1933 Antes Annular Wing Monoplane Design
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1933 Arup S-1 (aka Dirigiplane) 1935 Arup S-4 and older S-2
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