US Patent 9056654 Hydrofoil and water sport board equipped therewith

The present disclosure relates to an elongated member for a hydrofoil, to a hydrofoil with such an elongated member and to a board equipped with such a hydrofoil. The elongated member comprises a front end for affixing to a front blade having a front lift ratio and a rear end for affixing to a rear blade having a rear lift ratio in such a manner that the front blade and rear blade face in a same direction, and the rear lift ratio is greater than the front lift ratio. The elongated member further connects with an end of a post in such a manner that the front blade is further from another end of the post for connecting to the board than the rear blade.