Wow what a complicated engine! I like it. ;Dquellish said:Relevant to current interest in high altitude persistence:
http://web.me.com/jcefamily/ATF3/Ryan_Compass_Cope.html
F 1503 Ryan Aeronautical Compass Cope R
Film showing the Ryan YQM-98 R Tern unmanned Aerial Vehicle. Film from the mid 1970s. Digitized film from the Ryan Aeronautical Archive which was donated to the San Diego Air and Space Museum in the 1990s.
https://youtu.be/JPAu5FQwA-Q