A manual of naval architecture. For the use of officers of the Royal Navy, officers of the Mercantile Marine, shipbuilders, shipowners, and yachtsmen (1889)
White, W. H. (William Henry), Sir, 1845-1913 · London, J. Murray · leaf 508
ant MD isless than the actual velocity MWj; but, as in the previous case,it makes a more acute angle with the sail on XY. With these two examples before him, the reader will have nodifficulty in readily de-termining the apparentvelocity and direction ofthe wind, correspondingto observed actual… … v., D X M/ FIG.125 certain actual direction and speed of wind, and the sail areaand angle of bracing for the yards, what will be the courseof the ship, and her speed of advance ? To answer the questionfully and correctly requires data beyond those at presentpossessed; but an approximate solution is…
Naval architecture
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