centreboard (Q1571036)
retractable hull appendage which pivots out of a slot in the hull of a sailboat
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other details
aliases centerboard
description retractable hull appendage which pivots out of a slot in the hull of a sailboat

External Links
(P646) /m/02lnr9
(P1014) 300263203
(P1296) 0198141
(P1417) technology/centreboard
(P7749) 12432
(P8408) Centerboard
(P12385) orsa-2