Here is disclosed an improved paddle for propelling a watercraft through water. The improved paddle includes an elongated shaft having a handle at one end and a paddle portion at the other end. The paddle portion includes a substantially flat member having opposite first and second 5 sides, a central portion and a peripheral edge. A plurality of convolutions are formed on the peripheral edge of the paddle portion, with each convolution consisting of a finger positioned between a pair of notches, the notches extending from the peripheral edge towards the central portion. The shape and size of the notches and fingers can be selected to control the optimal performance of the paddle.
WATER CRAFT PADDLE
2022-08-25
Patent
Electronic Resource
English
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
ROTOR CRAFT AND NEGATIVE TORSION VARIABLE PADDLE THEREOF
European Patent Office | 2024
|Rotor craft and negative torsion variable paddle thereof
European Patent Office | 2025
|