| 摘要 |
A relatively small water craft having a center of gravity and which when in the water, has a draft line. The craft comprises a hull having a fore portion and an aft portion, the fore portion including an engine compartment and two sides and the aft portion including an operator's platform. One of the two sides has motion-resistance means thereon in the area of the draft line when an operator is absent from the platform. The motion resistance means on the one side produces unbalanced resistances on the two sides, causing the boat to circle when running without an operator.
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