Hovering a Helicopter is Hilariously Hard - Smarter Every Day 145
29:28
The Amazing Engineering of Rescue Helicopters - Smarter Every Day 289
9:12
STRAPPED INTO A FALLING HELICOPTER - Smarter Every Day 154
26:54
Why This Zig-Zag Coast Guard Search Pattern is Actually Genius - Smarter Every Day 268
13:50
Vélo électrique mécanique
22:00
How do I actually hover in a Robinson helicopter
30:29
Des Ouvriers du Bâtiment Ingénieux Qui Sont À un Autre Niveau
25:48
I Built a Mini Truck for Abandoned Railroads - Ep. 2
20:05