Boat-propelling machine
In a boat-propelling machine for attachment to a boat hull, an outer wall unit is fixedly provided on a body of the machine for covering part of a cylindrical structural body that is formed of metal alloy and positioned so as to be at least above a draft line during planning of the boat, and a lift...
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Sprache: | eng |
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Zusammenfassung: | In a boat-propelling machine for attachment to a boat hull, an outer wall unit is fixedly provided on a body of the machine for covering part of a cylindrical structural body that is formed of metal alloy and positioned so as to be at least above a draft line during planning of the boat, and a lift force generation device is provided on the outer vertical wall unit. |
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