Odd aeroplanes !

[topspeed3]

American Gyro AG-4 Crusader

View: https://www.youtube.com/watch?v=Bs1-c1-eq4E

Diamond Wing:

View: https://www.youtube.com/watch?v=BV46lGGq4fg&list=PLrM_5Akmuu55MRsY3mDgsAWKxoeNHDpAU&index=28

 

[1635yankee]

https://commons.wikimedia.org/wiki/File:Edgley_Optica_Sywell_1.jpg

Edgely Optica (image from Wikipedia)