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Land, water, or air born vehicle - has double or multiple propellers driven by twin cct. hydrostatic motors
Land, water, or air born vehicle - has double or multiple propellers driven by twin cct. hydrostatic motors
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机译：陆地，水上或空中载具-具有双螺旋桨驱动的双螺旋桨或多个螺旋桨。静液压马达
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摘要
A vehicle designed for travel on water or land, or through the air, employs in its simplest design, two propellers driven by two hydrostatic motors supplied with fluid under pressure by two separate circuits each with its own pump, designed to give an automatic forward travel, the first pump having a different absorption capacity from the second. In an alternative design, the pumps are the same, butt the conveying chambers are of different volume. The difference in flow may be used to control the angle of the vehicle. In further designs the hydromotors can be double motos mounted on a common shaft, and free wheel systems can be incorporated. Many further variations include different flow control arrangements, and multi-propellr versions are included.
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