Human powered watercraft e.g. tretboote, has propulsion system situated in the area of overall center of gravity of watercraft, including the user, such that the user is able to change his body position and position of hull in water

摘要

The human powered watercraft comprises a hull, a drive system and a propulsion system. The propulsion system is installed at a location on the hull, which is situated in the area of overall center of gravity of the watercraft, including user, such that the user can change his body position and the position of hull in water during the drive.