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单词 self-steering sail
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self-steering sail
With reference to a vessel, vehicle, etc.: the action of automatically steering or maintaining a predetermined course; (now also) the action of steering itself and adjusting its own course autonomously in response to external circumstances (cf. self-driving adj. 2c). Also: a facility or system for achieving this; the apparatus by which this is achieved. Frequently (and in earliest use) attributive, as self-steering gear, self-steering sail, etc.
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society > travel > travel by water > directing or managing a ship > steering > [noun] > self-steering
self-steering1862
1862 Patents for Inventions: Abridgm. Specif. Ship Building 554 The self-steering apparatus..set with the position of the sail, will allow the model boat or messenger to be directed as desired.
1889 Engineer 22 Feb. 158/1 This self-steering is brought about by mounting the saddle on an arm or lever pivotted..to the main frame of the machine [sc. bicycle].
1910 Auto 3 Dec. 1336/2 The steering-pivot is..slightly raked in order to assist self-steering.
1950 E. C. Hiscock Cruising under Sail ii. xix. 363 For a single-handed or short-handed ocean passage I consider that self-steering sails are most necessary.
1957 T. Herbert Self Steering (A.Y.R.S. Publ. No. 13) 6 Self Steering may be defined as the ability of a sailing boat to stay on a set course relative to the wind... The various types of self steering gears fall into two broad categories: 1. Those gears which convert variations in wind pressure on the sails into rudder movements [etc.].
1971 J. R. L. Anderson Reckoning in Ice viii. 153 I had no self-steering on Gudrid, but she was a beautifully balanced boat.
2016 Geelong (Austral.) Advertiser (Nexis) 3 Sept. (Carsguide section) 3 Heavy freeway driving is likewise made more tolerable by an adaptive cruise control with lane-change and self-steering.
extracted from self-steeringn.
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