A variable-solidity propeller apparatus, comprising a propeller having at least one rotatable hub carrying at least one row of propeller blades, wherein the propeller has a first configuration in which the propeller has a first average solidity, and a second configuration in which the propeller has a second average solidity which is greater than the first average solidity.
Convertible propeller
2019-12-10
Patent
Electronic Resource
English
IPC: | B64C AEROPLANES , Flugzeuge |
CONVERTIBLE LIFTING PROPELLER FOR UNMANNED AERIAL VEHICLE
European Patent Office | 2017
|CONVERTIBLE TOP ELEMENT AND CONVERTIBLE TOP OR A CONVERTIBLE VEHICLE AND CONVERTIBLE VEHICLE
European Patent Office | 2020
|