THE SMART TRICK OF WING CIRCLE THAT NOBODY IS DISCUSSING

During Earth War II, a number of disc-formed aircraft were being proposed by plane designers in Germany. On the list of several to make it further as opposed to drawing board was the Sack AS-6, an experimental gentle airplane using a spherical-winged planform that first flew in 1944. The plane proved unsuccessful, and was scrapped in early 1945.[fo