ARUP 2, 3, 4 & 5 - Semi Circular Aircraft Prototypes By Designer C.L. Snyder MD From The Early 1930s - YouTube

https://www.youtube.com/watch?v=5ZSKBsw3Qb0

To purchase Dr Myhra's Ebooks, please visit "http://www.luftwaffeaviationhistory.net/". A series of photos of the very rare seldom seen semi- circular wing f...