Harper's boating book for boys; a guide to motor boating, sailing, canoeing and rowing (1912)
Davis, Charles G. (Charles Gerard), 1870-1959, ed · New York, London, Harper & Brothers · leaf 243
at a high rate ofspeed, reducing the friction of the water by crowding a filmof air under the boat between it and the water. Ordinaryround-bottomed launches do not do this. They have towedge the water apart and let it close up behind them, andwhen they go so fast that the water begins to drag… … A FAMILY CRUISER the stern end is rounded in so abruptly that the water doesnot have an easy curve to flow into at the stern. Boatswhich are crowded in this manner raise the bows up anddrag their sterns down low. The force that makes theboat go is the push of the propeller against the water.…
Boats and boating
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