A documentary/history of the Gyroplane/Autogiro - Part 1
6:44
History of the Gyroplane - part 2 beyond Cierva
1:42
Grumman C-2 Greyhound Prestwick Airport
5:45
History of the Gyroplane - part 16 pilot induced oscillation PIO
6:19
History of the Gyroplane - part 4 Bensen, Wallis beginnings
22:56
ELA Aviation - ECLIPSE EVO - Full Test Flight
7:23
History of the Gyroplane - part 15 the REAL reason the Rotodyne failed
7:05
How The Auto-Giro Works (1931)
8:19