1914 aviation failuresround wing aircraftEarly Monoplane design1914 monoplane designFlying Teatray monoplaneFlying Tea-tray british airplanedoughnut-shaped airplaneairplane wing shaped like a doughnutbagel-shaped aircraftairplane wing shaped like a bagelaircraft not used during ww1failed Monoplane designfailed aircraft design 1914bad day in British aviation