This one’s the longest video I’ve shared so far, I found it fascinating.
James May from Top Gear has quite a bit of YouTube Content, This video came up on my suggested feed.
Check out his channel called Reel Truth Science Documentaries
The shielding & cradle mechanism / structure to support the fragile balsa glider under a helicopter was truly impressive.
The autopilot board looks like an APM 2.8
Gould Aero 