wind vane

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wind vane:

see weather vaneweather vane
or wind vane,
instrument used to indicate wind direction. It consists of an asymmetrically shaped object, e.g., an arrow or a rooster, mounted at its center of gravity so it can move freely about a vertical axis.
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wind vane

[′win ‚vān]

(engineering)

An instrument used to indicate wind direction, consisting basically of an asymmetrically shaped object mounted at its center of gravity about a vertical axis; the end which offers the greater resistance to the motion of air moves to the downwind position; the direction of the wind is determined by reference to an attached oriented compass rose.

wind vane

A device to indicate wind direction. A wind vane always points into the wind. It works on the principle of weathercocking. See weather vane.

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References in periodicals archive ?

Choose an open area, perhaps near your rain gauge, to place your wind vane.

MAKE YOUR OWN WEATHER VANE

The wind vane allowed us to measure wind direction in the 16-rhumb scale, i.

Changes in surface wind directions in Estonia during 1966-2008 and their relationships with large-scale atmospheric circulation/muutused maapinnalahedaste tuulte suundades eestis perioodil 1966-2008 ja nende seosed atmosfaari suuremootmelise tsirkulatsiooniga

2]) Because of time constraints, only 17 openings are measured using the anemometer with wind vane.

Characterization of a high-density data center

We've got a problem," The Skipper said - and it was more than a mast-top radio antenna having broken loose and decapitated our wind vane.

Days of awe, alarm add up to swell time

Measurements should be made with a low threshold, good quality cup-type anemometer with wind vane and an electronic data logger.

Wind farming: a business opportunity for rural America

The subtle signs of slumping sand, which indicate the direction of prevailing winds as surely as a modern wind vane, became frozen in place when heat and pressure converted ancient dunes into sandstone.

Shifting sands: dunes hold heaps of material--and climate clues, too

Instead, hydraulics turn the turbine assembly, obeying a computer using information from a small wind vane mounted on top of the housing.

Catch the wind: co-op's giant windmills work with Mother Nature to provide power

In the article "Stickbow True And False" (Bowhunting, May 2000), we incorrectly identified the picture on page 47 as a Wind Vane when in fact the proper name is a Rain Vane.

ReaderMail

Ships first operated with a wind vane, similar to a weather vane, that was set at the top of the sail and connected to a series of gears inside the hull that turned the sail into the direction of the wind.

SMALL-SCALE SAIL; LAKE BALBOA SEAFARERS FIND JOY IN MODEL BOATS

Under such background, the advance layout of Evergrande enables it to become the leading real estate enterprise with the wind vane effect in the second- and third-tier cities.

Evergrande Achieved Sales Volume of 33.73 Billion Yuan in the First Five Months, Completing 48.2% of the Full-Year Target

The new station has a digital thermometer, rain gauge, barometer, wind vane, anemometer and hygrometer.

No excuse to be stumped as to what the weather is

The wind vane above the dial has also been removed and will be replaced with one similar to one seen in early photographs of the cross.