Abstract:
A twin hull foldout watercraft that quickly and easily deploys from a small mobile and portable size unit that will fit into a vehicle or stow in a closet, camper or larger boat to a dry stable watercraft that could be used with small motor, paddles, ores, stand up paddles, push poles or sail and which has all parts and accessories attached thereto. The twin hull foldout watercraft comprises a central deck, two side mounted hull flaps hingedly attached to the opposing side edges of the central deck and positionable in a vertical or horizontal position, a fore deck extension member hingedly attached to the front edge of the central deck and positionable in a vertical or horizontal position, and an aft deck extension member hingedly attached to the rear edge and which can be extended out from the rear of the central deck.
Abstract:
A swing waterski is provided, which includes a main body and at least one fin mounted to the main body and adapted to swing. The main body includes a top wall, a bottom wall, an arc front wall connecting the top wall and the bottom wall, and two sidewalls connected to the top wall, the bottom wall and the arc front wall. A contour of the bottom wall is symmetric to a central axis of the main body and presents a convex arc shape. A boundary of the arc front wall and the top wall and boundaries of the two sidewalls and the top wall are located in a same plane. A front half part of the bottom wall has a shape similar to a partial bowl shape and is curled upward, so as to decrease a water resistance.
Abstract:
Provided is a paddle retaining device which may be easily mounted to a stand-up paddle board, wherein the paddle retaining device is specifically configured and adapted to allow a user to quickly and easily securing the paddle to the board. The paddle retaining device may be attached to the board without significantly interfering with the structure and integrity of the paddle surfboard. Along these lines, the paddle retaining device may be secured to the board without drilling holes or making other material modifications to the structure of the paddle surfboard.
Abstract:
A self-propelled hydrofoil device that includes a front foil, a rear foil, a user platform, a steering shaft and a frame that couples these components. The steering shaft preferably has a top section and a lower section, the top section being substantially rigid and the lower section being flexible relative to the top section. The top and lower sections may be formed of different materials or may be formed of the same material, integrally or non-integrally. The top and lower sections are preferably offset by an angle, α, to achieve more ready bending of the lower section.
Abstract:
A data logger for a rowing shell and crew which includes an accelerometer, an impeller or flow sensor to sense velocity, a GPS unit to sense position and velocity, a heart rate monitor, a controller programmed to manipulate the data and provide a display of the heart rate, boat speed, stroke rate etc. The data can be stored or transmitted to a remote computer for use by the coach.