The sailing boat, a treatise on sailing boats and small yachts, their varieties of type, sails, rig, etc. With practical directions for sailing and management; also, the one-design and restricted classes, fishing and shooting boats, sailing chariots and ice yachts, foreign and colonial boats, canoes, etc., etc (1901)
Folkard, Henry Coleman, 1827-1914 · London, Edward Stanford · leaf 116
tre-board. It is, however, precisely that of Captain Shuldhams revolving keel.Totally different to the sliding keel, as also to the centre-board, it revolves upon asingle pivot or bolt through the fore part of the keelson, whereby it may be raised orlowered at pleasure. The revolving keel itself,… … of adding strength to the case, keeping the keel clear of the woodwork, decreasing thefriction, and avoiding the liability, otherwise, of getting jammed. Eevolving keels are of different forms, that most generally adopted is (when letdown) of triangular shape, as shown in the illustration above.…
Sailing · Boats and boating
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