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2. Weather vane - Wikipedia

   en.wikipedia.org/wiki/Weather_vane

   The weather vane is a retired Douglas DC-3 CF-CPY atop a swiveling support. Located at the Yukon Transportation Museum [18] beside Whitehorse International Airport, the weather vane is used by pilots to determine wind direction, used as a landmark by tourists and enjoyed by locals. The weather vane only requires a 5 knot wind to rotate. [19]

3. Self-steering gear - Wikipedia

   en.wikipedia.org/wiki/Self-steering_gear

   Another version of wind vane self steering on sail boats is known as the vertical axis vane and usually, because of the inferior steering force output compared to servo pendulum devices it makes use of a trim tab hung off the rudder to control the course of the boat. The vane spins at right angles to the ground and can lock to the trim tab in ...

4. List of weather instruments - Wikipedia

   en.wikipedia.org/wiki/List_of_weather_instruments

   Anemometer for measuring wind speed; Pyranometer for measuring solar radiation; Rain gauge for measuring liquid precipitation over a set period of time; Wind sock for measuring general wind speed and wind direction; Wind vane (also called a weather vane or a weathercock) for showing the wind direction

5. Wind direction - Wikipedia

   en.wikipedia.org/wiki/Wind_direction

   Consequently, a wind blowing from the north has a wind direction referred to as 0° (360°); a wind blowing from the east has a wind direction referred to as 90°, etc. Weather forecasts typically give the direction of the wind along with its speed, for example a "northerly wind at 15 km/h" is a wind blowing from the north at a speed of 15 km/h ...

6. Anemoscope - Wikipedia

   en.wikipedia.org/wiki/Anemoscope

   An anemoscope is a device designed to show the direction of the wind, or to indicate a change of wind direction . The name is usually applied to an apparatus consisting of a wind vane above, connecting to a building below by some kind of coupling, and with a dial or index with pointers to show the direction and changes of the wind.

7. World's largest weather vane - Wikipedia

   en.wikipedia.org/wiki/World's_largest_weather_vane

   The weather vane is a retired Douglas DC-3 atop a swiveling support. Located beside the Whitehorse airport the weather vane is used mainly by pilots to determine wind direction. This weather vane only requires a 5 km/hour wind to rotate. The Douglas DC-3 that now serves as a weather vane at Whitehorse International Airport.