Disclosed herein is a multifunctional stand-up paddleboard (MFSUP) comprising a paddleboard, a paddle, and a drive unit. At the stem of the paddleboard is a docking port configured to receive the drive unit that propels the paddleboard. In some embodiments, the paddleboard comprises a rigid midsection, and an inflatable bow and stem. The inflatable portions are inflated during use and deflated then folded over the midsection during storage. A control paddle having control switches send command signals by Bluetooth to the drive unit to control the velocity of propellors. A battery bank is disposed on the midsection and provides power to the drive unit. A solar panel can be included on a superior surface of the paddleboard to supply power to the battery bank. The drive unit is removable from the docking port for propelling a human through a water body. Other features and methods are also disclosed.

Disclosed herein is a multifunctional stand-up paddleboard (MFSUP) comprising a paddleboard, a paddle, and a drive unit. At the stem of the paddleboard is a docking port configured to receive the drive unit that propels the paddleboard. In some embodiments, the paddleboard comprises a rigid midsection, and an inflatable bow and stem. The inflatable portions are inflated during use and deflated then folded over the midsection during storage. A control paddle having control switches send command signals by Bluetooth to the drive unit to control the velocity of propellors. A battery bank is disposed on the midsection and provides power to the drive unit. A solar panel can be included on a superior surface of the paddleboard to supply power to the battery bank. The drive unit is removable from the docking port for propelling a human through a water body. Other features and methods are also disclosed.

An inflatable foilboard or hydrofoil board comprises an inflatable board having a rigid platform on which a user stands. A mast extends from the platform through the board and into the water below. A hydrofoil is fixed to the base of the mast.

An inflatable foilboard or hydrofoil board comprises an inflatable board having a rigid platform on which a user stands. A mast extends from the platform through the board and into the water below. A hydrofoil is fixed to the base of the mast.

The invention relates to a volume element comprising at least one first chamber which can be filled with a gas and can thereby be inflated and which is at least partly delimited by a flexible first wall, at least one second chamber which can be filled with the gas and can thereby be inflated and which is at least partly delimited by the first wall that is arranged between the first chamber and the second chamber and partly by a flexible second wall, and at least one third chamber which can be filled with the gas and can thereby be inflated and which is at least partly delimited by a flexible third wall that is arranged between the second chamber and the third chamber and partly delimits the second chamber.

The invention relates to a volume element comprising at least one first chamber which can be filled with a gas and can thereby be inflated and which is at least partly delimited by a flexible first wall, at least one second chamber which can be filled with the gas and can thereby be inflated and which is at least partly delimited by the first wall that is arranged between the first chamber and the second chamber and partly by a flexible second wall, and at least one third chamber which can be filled with the gas and can thereby be inflated and which is at least partly delimited by a flexible third wall that is arranged between the second chamber and the third chamber and partly delimits the second chamber.

The invention relates to a water board (2) made of a material that can float on water, having a support area (8), on which a user rests at least partially. To reduce the current forces acting on the user while holding on to and being towed behind a motorized watercraft (24), it is proposed that the water board (2) has, at a front-end area, an attachment segment (22) for the articulation of the water board (2) to the watercraft (24).

The invention relates to a water board (2) made of a material that can float on water, having a support area (8), on which a user rests at least partially. To reduce the current forces acting on the user while holding on to and being towed behind a motorized watercraft (24), it is proposed that the water board (2) has, at a front-end area, an attachment segment (22) for the articulation of the water board (2) to the watercraft (24).

An inflatable foilboard or hydrofoil board comprises an inflatable board having a rigid platform on which a user stands. A mast extends from the platform through the board and into the water below. A hydrofoil is fixed to the base of the mast.

An inflatable foilboard or hydrofoil board comprises an inflatable board having a rigid platform on which a user stands. A mast extends from the platform through the board and into the water below. A hydrofoil is fixed to the base of the mast.