Boat with propeller tunnel, has tunnel cavity surface remaining constant on upstream side of propeller
The surface of the tunnel cavity extending in a direction perpendicular to the boat central axis (7) remains essentially constant over the length of the cavity on the upstream side of the propeller (3).
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Format: | Patent |
Sprache: | dut ; eng |
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Zusammenfassung: | The surface of the tunnel cavity extending in a direction perpendicular to the boat central axis (7) remains essentially constant over the length of the cavity on the upstream side of the propeller (3). |
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