| 释义 |
sponson, n.|ˈspɒnsən|
Also 9 sponsing, sponcing.
[Of obscure origin.]
1. One or other of the triangular platforms before and abaft the paddle-boxes of a steamer.
α1835Naut. Mag. IV. 154 The ‘Lightning’ was ran into by a collier, which struck her just abaft her paddle-box... Her sponcings and sponcing-timbers were broken. 1846A. Young Naut. Dict. 292 Sponsings, or Sponcings, in a steam-ship, the curve of the timbers and planking towards the outer part of the wing before and abaft each of the paddle-boxes.
β1838Civil Eng. & Arch. Jrnl. I. 384/2 Breadth over the sponsons, 43 ft. Ditto over the paddle boxes, 48 ft. 1871Kingsley At Last i, Then had come..a day of..watching..the water from the sponson behind the paddle-boxes.
attrib.1835[see above]. 1867Smyth Sailor's Word-bk. 644 Sponson-Rim, the same as wing-wale. 1875Knight Dict. Mech. 2287 Sponson-beam, one of the two projecting beams uniting the paddle-box beam with the ship's side.
2. A gun platform, standing out from the side of a vessel. Also attrib.
1862W. H. Russell Diary North & S. I. 291 The ship..is armed..with rifled field-pieces and howitzers on the sponsons. 1887Daily News 24 Oct. 5/5 The system..of carrying heavy guns..in sponson ports so high on the poop and forecastle. 1897Ibid. 28 July 8/5 Their construction (five sponsons on each side of the upper deck) causes them to roll heavily.
3. a. Canad. An air-filled buoyancy chamber in a canoe, intended to reduce the risk of sinking even if the canoe becomes filled with water; so sponson canoe.
1911Daily Colonist (Victoria, B.C.) 14 Apr. 19/1 (Advt.), Don't fail to see the safety sponson canoes that cannot sink. 1917P. L. Haworth On Headwaters of Peace River i. 6 The craft in question were really Chestnut sponson canoes, seventeen feet long... It had never been my intention to take a sponson canoe on the trip. 1968R. M. Patterson Finlay's River 109 This proved to be a seventeen-foot Chestnut ‘Pleasure Model’ canoe fitted with sponsons—that is, with air-chambers along the gunwales so designed that the canoe, with an average load in it, would float even when swamped and full of water.
b. A projection from the hull or body of some kinds of aircraft, intended to increase its lateral stability in the water; also, a stabilizer in the form of a float at the end of a wing.
1928V. W. Pagé Mod. Aircraft xvi. 668 It is a braced monoplane type, the hull being supplemented by sponsons of aerofoil section at each side. 1930Flight 31 Oct. (Aircraft Engineer Suppl.) 1192b/2 Design of wing-tip floats or sponsons. 1935[see aerodynamics]. 1965[see hydroplane n. 2]. 1971Maclean's Mag. Oct. 70/2 Only part of the propeller, some of the rudder, and pieces of the sponsons at the front actually cut into the water. 1983Times 5 Aug. 2/8 The helicopter hit the sea... The impact ripped open the bottom of the fuselage and removed the sponsons containing emergency flotation gear.
Hence ˈsponson v. trans., to support, or set out, on a sponson. Also ˈsponsoned ppl. a.
1895Morn. Post 10 Aug. 4/5 The same may be said of cruisers, part of whose most important armament is sponsoned out on the broadside. 1897River & Coast 4 Sept. 13/1 The sponsoned deck acts as a guard to the hull. |