RC model of Zorglup' (europe Zyklotrop) aircraft of Spirou & Fantasio: https://www.youtube.com/watch?v=0IAbTzaiQBo
Unlikely. They knew already from such devices about balancing issues. Nowadays no problem but back then they had neither the sensors nor the mobile computing power for auto-balancing.
Unlikely. They knew already from such devices about balancing issues. Nowadays no problem but back then they had neither the sensors nor the mobile computing power for auto-balancing.