| 单词 | ballast fin |
| 释义 | > as lemmasballast fin ballast fin n. a metal fin attached to the keel of a yacht, serving to ballast her and to enable her to sail closer to the wind. ΘΚΠ society > travel > travel by water > vessel, ship, or boat > parts of vessels > body of vessel > bottom or part under water > [noun] > keel and kelson > keel > types of sliding keel1797 centreboard1828 bilge-keel1850 ram1851 rocker1859 sidebar keel1869 bar-keel1874 plate-keel1874 bilge-piece1880 fin1885 bulb-keel1893 fin-keel1893 ballast fin1894 bulb-fin1894 plate1895 drop-keel1896 1894 Outing 24 194/2 I have not a word to say against the ballast-fin so far as racing is concerned. 1982 I. Nicholson Build your own Boat (1996) ix. 32 The crane which launches the boat can sometimes first be used to lift the hull onto the ballast fin. 2001 Canad. Yachting (Nexis) Sept. 26 I can recall checking one boat in which the lead ballast fin was fastened by stainless steel bolts. < as lemmas |
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