Verrill, A. Hyatt (Alpheus Hyatt), 1871-1954 · New York [etc.] D. Appleton and company · leaf 40
he centerboard may be raisedor lowered according to the depth of the water, and ifa sandbar or reef is struck little injury will result, as PARTS OF BOATS 27 the board is free to move up when it strikes an obstruc-tion, whereas a keel boat under the same conditionsmight be badly injured. The… … Keels, Centerboards, Leeboards and Rudders I—Section of a keel boat. 2—Section of a centerboard boat. 3—Section of a fin keel boat. 4—Portion of a keel boats hull. 5—Boat with centerboard. 6—Boat with leeboard. 7-9—Formsof rudders for keel boats. 8-10—Forms of rudders for center-board boats.…
Boats and boating · Sailing
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