Weather vane

Wind vane 05643

Romney Ryan RALLY Iin Michigan (7854972358)

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Cowls and windVanes of Glottenham Oast - geograph.org.uk - 3487216

Windrichtungsgeber

Dragon weather vane by Dorothy Hay Jensen 1943.8.8070

Weather vane or wind vane is a device used to show the direction of the wind. It is typically installed on a high point, such as the roof of a building, to be exposed to the wind. The weather vane has a rotating element that aligns itself with the wind, pointing towards the direction from which the wind is coming. The design of weather vanes varies widely, from simple arrows to elaborate figures of animals, people, or objects. They are not only functional devices for meteorological observations but also decorative elements for buildings and structures.

History

The history of the weather vane is ancient, with the earliest known examples dating back to Ancient Greece. One of the most famous early weather vanes was the bronze Triton figure mounted atop the Tower of the Winds in Athens, which dates to around 48 BCE. Throughout history, weather vanes have been used not just for determining wind direction but also as architectural ornaments, showcasing craftsmanship and artistic skills.

Design and Operation

A typical weather vane consists of a rotating ornament mounted on a vertical rod. The ornament usually has two parts: the pointer, which indicates the direction, and the tail, which catches the wind. The tail is designed to be larger than the pointer, ensuring that the wind will align the vane so that the pointer faces into the wind. The balance point of the weather vane is its pivot, which must be located closer to the tail so that the pointer can easily swivel.

Materials used in the construction of weather vanes include metal, wood, and plastic. Metal, especially copper and iron, is popular for its durability and the beautiful patina it develops over time.

Significance and Usage

Weather vanes have both practical and decorative uses. Practically, they provide immediate visual cues about wind direction, which can be important for agriculture, sailing, and other weather-dependent activities. Decoratively, they are used to adorn homes, barns, churches, and other buildings, often reflecting the interests or profession of the owner or the history of the location.

Modern Developments

In modern times, while the basic design of weather vanes has remained largely unchanged, their role has evolved. With the advent of advanced meteorological instruments, the practical necessity of weather vanes for weather prediction has diminished. However, they remain popular as decorative elements and are also used in educational settings to teach about wind and weather.

Collecting and Conservation

Collecting weather vanes is a popular hobby, with enthusiasts seeking out antique and unique designs. Conservation of antique weather vanes involves preserving the original materials and craftsmanship, which can be challenging due to exposure to the elements over time.

See Also

• Wind
• Meteorology
• Anemometer
• Windsock