FIELD: transport engineering. SUBSTANCE: invention relates to vehicles capable of moving both over ground and water. Floats 4 are installed at sides of frame 1 and are fixed on ends of yokes 5, 6. Screen is connected to spokes at one side of front wheel 2 and is designed to control vehicle in water. Paddles are arranged inside rear wheel 3 and are connected to spokes. Cutout made on nose section of each float 4 is pointed to rear for and it provides unobstructed rotation of cranks with pedals. EFFECT: reduced cross size of hydraulic bicycle. 6 dwg
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