Meet the U-Drone: a compact, cable drone that can be used to explore underground tunnels without GPS reception. The drone can be operated at distances of up to 100 meters.
Must see 🚁 racing & photography drone courses
U-Drone
The spool with the 100 meter cable unwinds during the flight without getting in the way. The above video shows it in action.
[HT]
*Our articles may contain aff links. As an Amazon Associate we earn from qualifying purchases. Please read our disclaimer on how we fund this site.
