Fin for hydrodynamic float, has aileron with rod arranged to permit user to mount and descend to orient fin along vertical axis and to incline fin along transversal axis and longitudinal axis using elastic element
FR2694262A1
Recreational nautical craft.
FR2589422A1
Muscle strength buoy
FR2581960A1
Nautical apparatus moved by muscle power
FR2570671A1
Muscle-powered propeller which can instantaneously be fitted to the float of a sail-board
FR2552394A1
Muscle-propelled water craft with integrated oars (paddles)
FR2505770A1
Float e.g. surf-board propelled by rider - uses flippers on vertical push rods returned by resilient cable to promote uplift and forward motion
FR2476012A1
Water craft operated manually - has paddles made from flexible material attached to vertical arms either side of hull
FR2459174A1
Water skis for leg propulsion - has two linked parallel floats with horizontal paddles at stern propelled by pressing floats down in turn
