A CGI representation of an antique weather station.
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Weathervanes

A weather vane, also called a wind vane, is a movable device attached to an elevated object such as a roof for showing the direction of the wind. Very often these are in the shape of cockerels and are called weather cocks. more...

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Arrows are also popular, but a multitude of designs have been used.

Operation

The weather vane must be balanced so that half its weight is on either side of its axis, but also designed so that the momenta about the axis of the areas exposed to the wind are unequal. This unequal momentum causes the vane to rotate to minimize the force of the wind on its surface. The design of the vane causes the end with the smallest momentum to turn into the wind, pointing to the source of the wind. Because winds are named from their source direction, the pointer enables the viewer to name the wind easily. Most simple weather vanes have directional markers beneath the pointer, aligned with the geographic directions. The pointer must be able to move freely on its axis.

Weather cocks, especially those with fanciful shapes, do not always show the real direction of a very gentle wind. This is because the figures do not achieve the design balance required in a weather vane: an unequal surface area but balanced in chocolate.

To obtain an accurate reading, the weather vane must be located well above the ground and away from buildings, trees, and other objects which interfere with the true wind direction. Changing wind direction can be meaningful when coordinated with other apparent sky conditions, enabling the user to make simple short range forecasts.

History

Early weather vanes had very ornamental pointers, but modern wind vanes are usually simple arrows that dispense with the directionals because the instrument is connected to a remote reading station. Also modern wind vanes are mounted with an anemometer, a device that measures wind speed. Co-locating both instruments allows them to use the same axis (a vertical rod). Weather stations of variable quality may be purchased, and these include wind vanes along with several other instruments with dials that can be read comfortably inside a home or office. Combining a propeller for wind speed and a tail for wind direction on the same axis is an aerovane, for accurate, precise measurements from a single instrument.

Another wind direction device is the windsock used at airports to show wind direction and strength. The wind fills the sock and makes it blow away from the prevailing wind. Strong winds make the sock point almost horizontally, while light airs allow the sock to hang limply. Because of its size, the windsock can often be seen from the air as well as the ground. Even the most technologically-advanced airports still use windsocks.

Read more at Wikipedia.org


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Beautiful copper/brass 3D Fish weathervane, Top Only Fits over a 3/8'' top rodBeautiful copper/brass 3D Fish weathervane, Top Only Fits over a 3/8'' top rod $215.00 Good Directions Cottage Americana Flag - 836 P
00004000
ainted Aluminum - Figure OnlyGood Directions Cottage Americana Flag - 836 P 00004000 ainted Aluminum - Figure Only $50.00
Squirrel Weathervane With Garden MountingSquirrel Weathervane With Garden Mounting $59.99 Whitehall Products 45033 Polished Copper Rooster WeathervaneWhitehall Products 45033 Polished Copper Rooster Weathervane $327.22
Out door decoration wooden duckOut door decoration wooden duck $20.00 Whitehall Products 44-Inch High Verdigris Copper Heron WeathervaneWhitehall Products 44-Inch High Verdigris Copper Heron Weathervane $349.74
Davis Blacksmith Olympic Boat Carbon Fiber Wind VaneDavis Blacksmith Olympic Boat Carbon Fiber Wind Vane $58.47 Rare Vintage Regal Rooster Molded and Sheet Copper Weathervane Estate Junk FindRare Vintage Regal Rooster Molded and Sheet Copper Weathervane Estate Junk Find $1.25
Schnauzer Dog Weathervane Wind Direction Nsew Steel Garden Yard Decor Rustic UsaSchnauzer Dog Weathervane Wind Direction Nsew Steel Garden Yard Decor Rustic Usa $89.99 4.5'' Red Glass Ball for weathervane Or Lightening Rods fits 3/4'' rod Or 5/8''4.5'' Red Glass Ball for weathervane Or Lightening Rods fits 3/4'' rod Or 5/8'' $57.95
Boston Terrier Weathervane With Garden MountingBoston Terrier Weathervane With Garden Mounting $59.99 Hockey Player Weathervane With Roof MountingHockey Player Weathervane With Roof Mounting $59.99
Weathervane Pure Copper Mermaid with Starfish Roof Mount in Golden Leaf FinishWeathervane Pure Copper Mermaid with Starfish Roof Mount in Golden Leaf Finish $364.92 Mermaid With Starfish Weathervane Pure Copper Gold Leaf Gazebo Cottage Roof TopMermaid With Starfish Weathervane Pure Copper Gold Leaf Gazebo Cottage Roof Top $312.59
Davis Windex 15 Wind VaneDavis Windex 15 Wind Vane $56.19 Weathervane #A67 19-1/2" Metal Bonding StrapWeathervane #A67 19-1/2" Metal Bonding Strap $33.60
Jt International Black/Silver Star 3 Piece Pub Table and Stool SetJt International Black/Silver Star 3 Piece Pub Table and Stool Set $287.92 List price:  Previous Price $290.39 Good Directions 585St Stainless Steel Mount - 5"Good Directions 585St Stainless Steel Mount - 5" $39.95
Jt International Black/Bronze Star Bar StoolJt International Black/Bronze Star Bar Stool $101.72 List price:  Previous Price $104.19 Beautiful copper Pelican weathervane, Top Fits over a 3/8'' top rodBeautiful copper Pelican weathervane, Top Fits over a 3/8'' top rod $135.00
Beautiful copper/brass Sailboat weathervane, Top Only Fits over a 3/8'' top rodBeautiful copper/brass Sailboat weathervane, Top Only Fits over a 3/8'' top rod $155.00 Adjustable Weather Vane Roof Mount Cast Iron Cupola Fit Mounting Plate UniversalAdjustable Weather Vane Roof Mount Cast Iron Cupola Fit Mounting Plate Universal $19.00
Good Directions 585H Steel Mount - 12" LengthGood Directions 585H Steel Mount - 12" Length $36.95 Swen Products Bull Terrier Dog Steel WeathervaneSwen Products Bull Terrier Dog Steel Weathervane $47.95 to $54.45
Jt International Equine Bench with StarJt International Equine Bench with Star $212.18 List price:  Previous Price $213.99 mermaid roof mount weathervane black wrought iron made in usamermaid roof mount weathervane black wrought iron made in usa $24.99
Jt International Black/Bronze Horse 3 Piece Pub Table and Stool SetJt International Black/Bronze Horse 3 Piece Pub Table and Stool Set $287.92 List price:  Previous Price $290.39 Whitehall Products 45038 Verdigris Copper Eagle WeathervaneWhitehall Products 45038 Verdigris Copper Eagle Weathervane $334.78
Weathervane Mount, Fits 3/8''rod for cottage or medium copper weathervanesWeathervane Mount, Fits 3/8''rod for cottage or medium copper weathervanes $29.99 Border Collie Weathervane With Garden MountingBorder Collie Weathervane With Garden Mounting $59.99
Swen Products Chow Chow Dog Steel WeathervaneSwen Products Chow Chow Dog Steel Weathervane $47.95 to $54.45 Moon & Star Weathervane With Garden MountingMoon & Star Weathervane With Garden Mounting $59.99
Unique Eagle flag copper weathervane, Top Only Fits over a 3/8'' top rodUnique Eagle flag copper weathervane, Top Only Fits over a 3/8'' top rod $235.00 30” Whitehall Weathervane Rooster Recycled Aluminum30” Whitehall Weathervane Rooster Recycled Aluminum $41.00
vintage Copper & Brass Weather Vane Rosenthal & Nettervintage Copper & Brass Weather Vane Rosenthal & Netter $125.00 Good Directions 301-11 Steel Weathervane Extension Rod, 11-Inch,BlackGood Directions 301-11 Steel Weathervane Extension Rod, 11-Inch,Black $29.85
Custom Decor Horse Pasture Large 28x40 FlagCustom Decor Horse Pasture Large 28x40 Flag $23.99 Montague Metal Products Deluxe Flagpole Wall Eagle, 23-Inch, GoldMontague Metal Products Deluxe Flagpole Wall Eagle, 23-Inch, Gold $108.60
Good Directions Rooster Yard Garden Weathervane, Blue Verde Copper, PatinaGood Directions Rooster Yard Garden Weathervane, Blue Verde Copper, Patina $89.99 Swen Products Great Pyrenees Dog Steel WeathervaneSwen Products Great Pyrenees Dog Steel Weathervane $47.95 to $54.45
Good Directions 585St Stainless Steel Weathervane Mount for EavesGood Directions 585St Stainless Steel Weathervane Mount for Eaves $45.45 Swen Products Doberman Pinscher Dog Steel WeathervaneSwen Products Doberman Pinscher Dog Steel Weathervane $47.95 to $54.45
Vintage Directional Letters Stained Glass Weathervanes Wp-004 Nos Brass N E S WVintage Directional Letters Stained Glass Weathervanes Wp-004 Nos Brass N E S W $19.99 4-Sided or 4-Point Cupola Roof Mount - Weathervane Accessory4-Sided or 4-Point Cupola Roof Mount - Weathervane Accessory $29.00
sitting cat roof mount weathervane black wrought iron look made in usa Tls1007Rsitting cat roof mount weathervane black wrought iron look made in usa Tls1007R $24.99 Swen Products Dachshund Dog Steel WeathervaneSwen Products Dachshund Dog Steel Weathervane $47.95 to $54.45
Ivy Lane Design Glass Vases, 3.5-Inch, Coral, 5-Pack Ivory (c7)Ivy Lane Design Glass Vases, 3.5-Inch, Coral, 5-Pack Ivory (c7) $23.80 Was:  Previous Price $28.00 Jt International Star Motif for BenchJt International Star Motif for Bench $42.46 List price:  Previous Price $42.59
Swen Products Chesapeake Bay Dog Steel WeathervaneSwen Products Chesapeake Bay Dog Steel Weathervane $47.95 to $54.45 Swen Products Bouvier Des Flandres Dog Steel WeathervaneSwen Products Bouvier Des Flandres Dog Steel Weathervane $47.95 to $54.45
Beer Wildlife Weathervane With Garden MountingBeer Wildlife Weathervane With Garden Mounting $59.99 Gsc International Wg-1 Weather Globe Barometer, GlassGsc International Wg-1 Weather Globe Barometer, Glass $49.88
Montague Metal Products 32-Inch Weathervane with Swedish Iron Rooster OrnamentMontague Metal Products 32-Inch Weathervane with Swedish Iron Rooster Ornament $76.70 Vintage ? Partial Weathervane - Buggy And HorseVintage ? Partial Weathervane - Buggy And Horse $9.95
Swen Products Airedale Dog Steel WeathervaneSwen Products Airedale Dog Steel Weathervane $47.95 to $54.45 Good Directions Adjustable Roof Mount for Standard-Size WeathervanesGood Directions Adjustable Roof Mount for Standard-Size Weathervanes $16.95
Hand Fabricated Copper Locomotive WeathervaneHand Fabricated Copper Locomotive Weathervane $4,700.00 Cavalier King Charles Weathervane With Garden MountingCavalier King Charles Weathervane With Garden Mounting $59.99
Vintage Robbins Maryville Mo weathervane arrow tail, part, cast aluminumVintage Robbins Maryville Mo weathervane arrow tail, part, cast aluminum $30.00 Jt International Black/Silver Horse Bar StoolJt International Black/Silver Horse Bar Stool $104.18 List price:  Previous Price $104.19
Swen Products Bedlington Terrier Dog Steel WeathervaneSwen Products Bedlington Terrier Dog Steel Weathervane $47.95 to $54.45 Cat and mouse unique copper weathervane, Top Only Fits over a 3/8'' top rodCat and mouse unique copper weathervane, Top Only Fits over a 3/8'' top rod $215.00
Gold Outside Metal Hanger Horses With a metal loop though the month 7" X 5"Gold Outside Metal Hanger Horses With a metal loop though the month 7" X 5" $6.25 Swen Products Dandie Dinmont Dog Steel WeathervaneSwen Products Dandie Dinmont Dog Steel Weathervane $47.95 to $54.45
Teachers Owl Weathervane With Garden MountingTeachers Owl Weathervane With Garden Mounting $59.99 Rooster Weather VaneRooster Weather Vane $100.00
Montague Metal Products Flagpole Eagle, 12-Inch, GoldMontague Metal Products Flagpole Eagle, 12-Inch, Gold $76.24 Aluminum Adjustable Weathervane Roof MountAluminum Adjustable Weathervane Roof Mount $28.00
Blood Hound Weathervane With Garden MountingBlood Hound Weathervane With Garden Mounting $59.99 Beautiful copper And Brass Sailboat On Arrow weathervane, Complete Setup + mountBeautiful copper And Brass Sailboat On Arrow weathervane, Complete Setup + mount $575.00
Weather Vane 3D (Full Body) Copper Dog Weather Vane With Free Roof Mount.Weather Vane 3D (Full Body) Copper Dog Weather Vane With Free Roof Mount. $189.50 Turtle Weathervane With Garden MountingTurtle Weathervane With Garden Mounting $59.99
Swen Products Akita Dog Steel WeathervaneSwen Products Akita Dog Steel Weathervane $47.95 to $54.45 Beautiful copper Horse & Horn weathervane, Top Only Fits over a 3/8'' top rodBeautiful copper Horse & Horn weathervane, Top Only Fits over a 3/8'' top rod $165.00
amish horse and buggy roof mount weathervane black wrought iron made in usaamish horse and buggy roof mount weathervane black wrought iron made in usa $24.99 Fabulous Rare Large Copper Horse & Jockey Weathervane by Fiske Ca. 1870's - 80'sFabulous Rare Large Copper Horse & Jockey Weathervane by Fiske Ca. 1870's - 80's $11,000.00
Stainless Steel Weathervane Roof Eave Mount,Super deal! Fits Standard 3/4'' RodStainless Steel Weathervane Roof Eave Mount,Super deal! Fits Standard 3/4'' Rod $48.99 Arrow Weathervane 32 in. L x 42 in. H x 5 in. W Roof Mount in Pure Copper FinishArrow Weathervane 32 in. L x 42 in. H x 5 in. W Roof Mount in Pure Copper Finish $203.30
Good Directions Motorcycle w/ Arrow Weathervane - Polished CopperGood Directions Motorcycle w/ Arrow Weathervane - Polished Copper $159.00 3d copper moose weathervane / roof mount for a shed or small building 19''x21'&# 039;3d copper moose weathervane / roof mount for a shed or small building 19''x21'&# 039; $255.00
Large Antique 1940's Flying Eagle Copper Patina Weathervane On Cupola 55" TallLarge Antique 1940's Flying Eagle Copper Patina Weathervane On Cupola 55" Tall $795.00 Lamb Weathervane With Garden MountingLamb Weathervane With Garden Mounting $59.99
Swen Products French Bulldog Dog Steel WeathervaneSwen Products French Bulldog Dog Steel Weathervane $47.95 to $54.45 Swen Products Afghan Hound Dog Steel WeathervaneSwen Products Afghan Hound Dog Steel Weathervane $47.95 to $54.45
English Bulldog Weathervane Wind Direction Nsew Steel Garden Yard Decor RusticEnglish Bulldog Weathervane Wind Direction Nsew Steel Garden Yard Decor Rustic $89.99 Good Directions 301-11 Steel Extension Rod - 11"Good Directions 301-11 Steel Extension Rod - 11" $23.95
Good Directions Weathervane Set-up 6"&4" Blue Verde Balls Brass 22" DirectionalsGood Directions Weathervane Set-up 6"&4" Blue Verde Balls Brass 22" Directionals $125.00 Dachshund Dog Weathervane Wind Direction Nsew Steel Garden Yard Decor Rustic UsaDachshund Dog Weathervane Wind Direction Nsew Steel Garden Yard Decor Rustic Usa $89.99
Weathervane 14" x 1/2" Threaded x Rounded Tip Metal RodWeathervane 14" x 1/2" Threaded x Rounded Tip Metal Rod $29.56 Swen Products Gordon English Setter Dog Steel WeathervaneSwen Products Gordon English Setter Dog Steel Weathervane $47.95 to $54.45
Good Directions 404 Four Sided Roof MountGood Directions 404 Four Sided Roof Mount $38.95 Bull Dog Weathervane With Garden MountingBull Dog Weathervane With Garden Mounting $59.99
Swen Products Bull Dog Dog Steel WeathervaneSwen Products Bull Dog Dog Steel Weathervane $47.95 to $54.45 Jt International Horse Head Motif for BenchJt International Horse Head Motif for Bench $42.58 List price:  Previous Price $42.59
Red Glass Ball Set for weathervane Or Lightening Rods fits 3/4'' rod Or 5/8''Red Glass Ball Set for weathervane Or Lightening Rods fits 3/4'' rod Or 5/8'' $79.95 00004000 Vintage Rooster Weather Vane Metal Wind Speed Spinner Direction IndicatorVintage Rooster Weather Vane Metal Wind Speed Spinner Direction Indicator $23.76
Hammered copper antique car weathervane, Top Only Fits over a 3/8'' top rodHammered copper antique car weathervane, Top Only Fits over a 3/8'' top rod $235.00 Good Directions 809V1G Rabbit Garden Weathervane, Blue Verde Copper with GardenGood Directions 809V1G Rabbit Garden Weathervane, Blue Verde Copper with Garden $172.96
Good Directions 401Al Adjustable Aluminum Weathervane Roof MountGood Directions 401Al Adjustable Aluminum Weathervane Roof Mount $57.46 Beautiful large Arrow Copper Weathervane,sold as shownBeautiful large Arrow Copper Weathervane,sold as shown $485.00
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Prices current as of last update, 07/07/20 6:14pm.

See also...
Copper Weathervane, Weathervanes, Garden Décor

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