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Float e.g. surf-board propelled by rider - uses flippers on vertical push rods returned by resilient cable to promote uplift and forward motion
Float e.g. surf-board propelled by rider - uses flippers on vertical push rods returned by resilient cable to promote uplift and forward motion
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机译：浮点数骑手推动的冲浪板-在弹性电缆返回的垂直推杆上使用脚蹼，以促进抬升和向前运动
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摘要
The float surfboard is propelled by the rider, using vertically displaceable propulsive elements actuated alternately or in unison to generate both uplift and forward movement. Fasteners secure the elements to support cables (6,7) extending from aft anchorages (4,5) to an elastic attachment (10) at the front. The anchorages may be located on rigid tail fins (2,3) whilst the cables may serve to return the elements to the repose position. The fasteners may comprise shackles, the elements each comprising a vertical driving rod (13,14) with a supple flipper mounted on the foot at a nominal inclination to the perpendicular.
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