Patent ID: 8777157

Claim:
A tethered hovering platform adapted to hover above a base station, comprising: a propeller configuration selected from a group of propeller configurations consisting of a single propeller configuration, a counter rotating propeller configuration, a three propeller located co-planar configuration and a four propeller located co-planar configuration; a propulsion configuration provided by a motor, connected to a gear system that drives the propeller configuration; said platform, including a thrust duct outer ring cylindrically ducting the motor and propeller configuration, said thrust duct outer ring having a periphery; and a damping device mounted cantilever from the periphery of the thrust duct outer ring, wherein the platform is attached to a base station by a tether attached to the damping device mounted cantilever from the periphery of thrust duct outer ring of the platform, and wherein said damping device is structured to deflect along its longitudinal axis to provide damping during flight.