vane self-steering gear
The Oxford Companion to Ships and the Sea
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2006
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© The Oxford Companion to Ships and the Sea 2006, originally published by Oxford University Press 2006. (Hide copyright information)
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vane self-steering gear, a method by which the wind, acting on a rotatable
vane linked to a
rudder, can be set to steer a sailing
yacht on a given
course. This principle of wind-vane-operated gear was introduced in the mid-1920s to control model racing yachts while sailing downwind. Known as the Braine gear, after the name of its inventor, it proved highly effective, and in the model-yacht-racing world quickly superseded the older hit-and-miss contrivances with weights and springs then in use.
It was first applied to full-sized yachts about 1948. The gear comprised an upright metal or hardboard vane, like a small sail, mounted on a freely turning swivel plate. With the vane adjusted like a weathercock to the wind relative to the desired course, and connected by means of rods and linkage to a servo-tab on the yacht's rudder, or to a separate small rudder mounted right
aft, the yacht is made to keep her course whether
close hauled, or with the wind
abeam, or with a following wind.
These self-steering gears, which are manufactured in a variety of types and sizes, have been widely used by ocean-going yachtsmen, particularly when cruising short handed or solo. See also
steering gear.
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Enteritis
Encyclopedia entry from: Gale Encyclopedia of Cancer
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enteritis
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gastro-enteritis
Book article from: A Dictionary of Zoology
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gastro‐enteritis
Book article from: A Dictionary of Food and Nutrition
gastro‐enteritis Inflammation of the mucosal lining of the stomach and/or small or large intestine, normally resulting from infection.
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regional enteritis
Book article from: A Dictionary of Food and Nutrition
regional enteritis See Crohn's disease .
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