A windmill is a structure that converts wind power into rotational energy using vanes called sails or blades, by tradition specifically to mill grain ( gristmills ), but in some parts of the English-speaking world, the term has also been extended to encompass windpumps , wind turbines , and other applications. The term wind engine is also sometimes used to describe such devices.
71-459: Ash Green can refer to: Ash Green, Surrey , England Ash Green, Warwickshire , England See also [ edit ] Eight Ash Green , Essex, England New Ash Green , Kent, England [REDACTED] Topics referred to by the same term This disambiguation page lists articles about distinct geographical locations with the same name. If an internal link led you here, you may wish to change
142-509: A bright polish, which are commonly called Bagshot diamonds . The village is long and scattered, and situated in a dreary part of the country: south-eastward of it is Henley Park, which, being on an eminence , forms a beautiful contrast with the wild heath around. The living is a rectory , valued in the king's books [for land tax liability] at £15. 18. 11½.; net income, £473; patrons, the Warden and Fellows of Winchester College . The church [before]
213-916: A church to St Peter and St Paul. Declared a parish, under Gilbert's Act , Ash was partly in the hundred of Godley and partly in Woking Hundred . It included in 1848 Frimley (a chapelry) and Normandy tything so altogether at that time had 2,236 inhabitants. The parish was and is intersected by the Basingstoke Canal and a branch of the South West Main Line and comprised, with Normandy in, about 4,000 acres (1,600 ha), of which 2,041 acres (826 ha) were common or waste, see geology under Surrey , i.e. wet lowland heath; (and including Frimley, about 10,015 acres). The soil of Ash yielded sandstone, dug from its common, used for building for centuries; and: [Locally] pebbles are found, susceptible of
284-483: A hollow-post mill, the post on which the body is mounted is hollowed out, to accommodate the drive shaft. This makes it possible to drive machinery below or outside the body while still being able to rotate the body into the wind. Hollow-post mills driving scoop wheels were used in the Netherlands to drain wetlands since the early 15th century onwards. By the end of the 13th century, the masonry tower mill, on which only
355-667: A huge waste problem in Denmark and countries Denmark, to a greater and greater extent, export its many produced wind turbines. " The reason why many wings end up in landfill is that they are incredibly difficult to separate from each other, which you will have to do if you hope to be able to recycle the fiberglass ", says Lykke Margot Ricard, Associate Professor in Innovation and Technological Foresight and education leader for civil engineering in Product Development and Innovation at
426-526: A landfill at Gerringe in the middle of Lolland in 2020. In the United States , worn-out wind turbine blades made of fiberglass go to the handful of landfills that accept them (e.g., in Lake Mills , Iowa; Sioux Falls , South Dakota; Casper ). Windpumps were used to pump water since at least the 9th century in what is now Afghanistan , Iran , and Pakistan . The use of windpumps became widespread across
497-565: A library. The southern part of the parish, including St. Peter's Church and Ash village, is on the London Clay ; but the greater portion, once including Frimley , covers the western side of the ridge of Bagshot Sands , which is divided from Chobham Ridges by the dip through which the Basingstoke Canal and railway run, and is known as Ash Common, Fox Hills and Claygate Common (now in Surrey Wildlife Trust and MoD use). Ash Green
568-407: A small turbine in the back that helped the main mill to face the direction of the wind. Common sails consist of a lattice framework on which the sailcloth is spread. The miller can adjust the amount of cloth spread according to the wind and the power needed. In medieval mills, the sailcloth was wound in and out of a ladder-type arrangement of sails. Later mill sails had a lattice framework over which
639-509: Is a windmill-like structure specifically developed to generate electricity. They can be seen as the next step in the development of the windmill. The first wind turbines were built by the end of the nineteenth century by James Blyth in Scotland (1887), Charles F. Brush in Cleveland, Ohio (1887–1888) and Poul la Cour in Denmark (1890s). La Cour's mill from 1896 later became the local power of
710-511: Is also served by Ash Vale station with a direct London Waterloo service and the Guildford to Ascot line along with Ash and North Camp stations, both located within the parish, with direct services to Reading, Guildford, Redhill and Gatwick. The Basingstoke Canal passes through the north of the village. The proportion of households in Ash Wharf, the central ward, who owned their home outright
781-458: Is ambiguity in the text and issues with the design. Another early example of a wind-driven wheel was the prayer wheel , which is believed to have been first used in Tibet and China , though there is uncertainty over the date of its first appearance, which could have been either c. 400 , the 7th century, or after the 9th century. One of the earliest recorded working windmill designs found
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#1733086172615852-571: Is in Godalming and Ash parliamentary constituency . Local government is administered by Guildford Borough Council and Surrey County Council . At Surrey County Council , one of the 81 representatives represents the area within the Ash division. At Guildford Borough Council three wards are deemed appropriate, represented under the current constitution by two to three councillors. Ward Electoral Division Windmill Windmills were used throughout
923-404: Is no clear evidence of windmills before the 9th century. Hero of Alexandria (Heron) in first-century Roman Egypt described what appears to be a wind-driven wheel to power a machine. His description of a wind-powered organ is not a practical windmill but was either an early wind-powered toy or a design concept for a wind-powered machine that may or may not have been a working device, as there
994-404: Is that the earliest type of European windmill was the post mill, so named because of the large upright post on which the mill's main structure (the "body" or "buck") is balanced. By mounting the body this way, the mill can rotate to face the wind direction; an essential requirement for windmills to operate economically in north-western Europe, where wind directions are variable. The body contains all
1065-543: Is the community closer to the Hog's Back , along which the east–west A31 runs , and has Whitegate Copse and arable fields as a green buffer on all sides. The hamlet used to be served by Ash Green Halt . The railway station had two platforms and was situated on the Tongham branch of the Alton line before passenger services were withdrawn in 1937 along with Tongham station and ultimately
1136-842: The Cape Colony in the seventeenth century. The early tower mills did not survive the gales of the Cape Peninsula , so in 1717 the Heeren XVII sent carpenters, masons, and materials to construct a durable mill. The mill, completed in 1718, became known as the Oude Molen and was located between Pinelands Station and the Black River. Long since demolished, its name lives on as that of a Technical school in Pinelands . By 1863, Cape Town had 11 mills stretching from Paarden Eiland to Mowbray . A wind turbine
1207-500: The Duke of Roxburgh then via Glynne's granddaughter's husband, Sir Richard Child, created Earl of Tylney it then passed to ambassador and diplomat Solomon Dayrolles , upon whose death John Halsey bought it, whose family owned it from the 18th to 20th centuries. The church is dedicated to St Peter, which distinguishes it from the other English places named Ash; Ash, in Kent , near Dartford , has
1278-769: The Enercon E-126 capable of delivering up to 7 MW, while wind turbine production has expanded to many countries. As the 21st century began, rising concerns over energy security , global warming , and eventual fossil fuel depletion led to an expansion of interest in all available forms of renewable energy . Worldwide, many thousands of wind turbines are now operating, with a total nameplate capacity of 591 GW as of 2018. In an attempt to make wind turbines more efficient and increase their energy output, they are being built bigger, with taller towers and longer blades, and being increasingly deployed in offshore locations. While such changes increase their power output, they subject
1349-614: The Jurchen Jin dynasty in the north), introduced by the travels of Yelü Chucai to Turkestan in 1219. Vertical-axle windmills were built, in small numbers, in Europe during the 18th and nineteenth centuries, for example Fowler's Mill at Battersea in London, and Hooper's Mill at Margate in Kent . These early modern examples seem not to have been directly influenced by the vertical-axle windmills of
1420-555: The Muslim world and later spread to East Asia ( China ) and South Asia ( India ). Windmills were later used extensively in Europe, particularly in the Netherlands and the East Anglia area of Great Britain , from the late Middle Ages onwards, to drain land for agricultural or building purposes. The "American windmill", or "wind engine", was invented by Daniel Halladay in 1854 and
1491-606: The University of Southern Denmark (SDU). According to Dakofa, the Danish Competence Center for Waste and Resources, there is nothing specific in the Danish waste order about how to handle discarded fiberglass. Several scrap dealers tell Ingeniøren that they have handled wind turbine blades (wings) that have been pulverized after being taken to a recycling station. One of them is the recycling company H.J. Hansen, where
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#17330861726151562-448: The high medieval and early modern periods ; the horizontal or panemone windmill first appeared in Persia during the 9th century, and the vertical windmill first appeared in northwestern Europe in the 12th century. Regarded as an icon of Dutch culture , there are approximately 1,000 windmills in the Netherlands today. Wind-powered machines may have been known earlier, but there
1633-469: The product manager informed, that they have transported approximately half of the wings they have received since 2012 to Reno Nord's landfill in Aalborg. A total of around 1,000 wings have ended up there, he estimates - and today up to 99 percent of the wings the company receives end up in a landfill. Since 1996, according to an estimate made by Lykke Margot Ricard ( SDU ) in 2020, at least 8,810 tonnes of
1704-571: The wind turbine design technologies in use today, including steel tube towers, variable-speed generators, composite blade materials, and partial-span pitch control, as well as aerodynamic, structural, and acoustic engineering design capabilities. The modern wind power industry began in 1979 with the serial production of wind turbines by Danish manufacturers Kuriant, Vestas , Nordtank , and Bonus . These early turbines were small by today's standards, with capacities of 20–30 kW each. Since then, commercial turbines have increased greatly in size, with
1775-687: The 9th century. Such windmills were in widespread use across the Middle East and Central Asia and later spread to Europe, China, and India from there. By the 11th century, the vertical-axle windmill had reached parts of Southern Europe, including the Iberian Peninsula (via Al-Andalus ) and the Aegean Sea (in the Balkans ). A similar type of horizontal windmill with rectangular blades, used for irrigation, can also be found in thirteenth-century China (during
1846-472: The Dutch in the 17th century to overcome the limitations of tower windmills, which were expensive to build and could not be erected on wet surfaces. The lower half of the smock windmill was made of brick, while the upper half was made of wood, with a sloping tower shape that added structural strength to the design. This made them lightweight and able to be erected on unstable ground. The smock windmill design included
1917-402: The Dutch victims of the 2014 Malaysian Airlines Flight 17 shootdown . Gears inside a windmill convey power from the rotary motion of the sails to a mechanical device. The sails are carried on the horizontal windshaft. Windshafts can be wholly made of wood, wood with a cast iron pole end (where the sails are mounted), or entirely of cast iron. The brake wheel is fitted onto the windshaft between
1988-521: The English Civil War rebel, John Glynne MP. Later tenants included Lord Pirbright , who entertained King Edward VII , and Sir Owen and Lady Roberts . During World War I, the house was used as an auxiliary hospital, and in the mid 20th century the estate was developed as a factory. It has since been restored to residential use. The following listed buildings can be found in the village: In education, Ash has: A museum occupies much of
2059-565: The Mediterranean Sea, tower mills with fixed caps were built because the wind's direction varied little most of the time. The smock mill is a later development of the tower mill, where the masonry tower is replaced by a wooden framework, called the "smock", which is thatched, boarded, or covered by other materials, such as slate , sheet metal , or tar paper . The smock is commonly of octagonal plan, though there are examples with different numbers of sides. Smock windmills were introduced by
2130-761: The Surrey Archaeological Society's Museum at Guildford. There is no mention of a mill under Henley in the Domesday Book, but it is certain that a mill existed at Ash from comparatively early times, for in 1322 the Abbot of Chertsey ordered a new windmill to be built at Ash. Windmills were comparatively new in England then, and it may have been in place of a small water-mill of earlier date. There seems to be no later record of it. The two manors existed. Ash ( Esche, 7th century; Asshe, Assche, 14th century ) shares with
2201-505: The United States, Canada, Southern Africa, and Australia. They feature a large number of blades, so they turn slowly with considerable torque in low winds and are self-regulating in high winds. A tower-top gearbox and crankshaft convert the rotary motion into reciprocating strokes carried downward through a rod to the pump cylinder below. Such mills pumped water and powered feed mills, sawmills, and agricultural machinery. In Australia,
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2272-663: The WIME-3D in service in Balaklava , USSR , from 1931 until 1942, a 100 kW generator on a 30-metre (98 ft) tower, the Smith–Putnam wind turbine built in 1941 on the mountain known as Grandpa's Knob in Castleton, Vermont , United States, of 1.25 MW, and the NASA wind turbines developed from 1974 through the mid-1980s. The development of these 13 experimental wind turbines pioneered many of
2343-425: The advantage of being able to run with a damaged sail by removing both the damaged sail and the one opposite, which does not unbalance the mill. In the Netherlands, the stationary position of the sails, i.e. when the mill is not working, has long been used to give signals. If the blades are stopped in a "+" sign (3-6-9-12 o'clock), the windmill is open for business. When the blades are stopped in an "X" configuration,
2414-440: The blade, and together, the system of the webs and spars resist the flapwise loading. Flapwise loading, one of the two different types of loading that blades are subject to, is caused by the wind pressure, and edgewise loading (the second type of loading) is caused by the gravitational force and torque load. The former loading subjects the spar laminate on the pressure (upwind) side of the blade to cyclic tension-tension loading, while
2485-455: The branch closed in 1960. Though the tracks have been long removed, the stretch of land from Tongham through Christmas Pie , where the route of the branch line still exists, is a popular attraction for cyclists and walkers. Ash Green Halt's station building, complete with its Southern Railway-style sign, still stands and has been converted into a house. From the prehistoric period, a few neolithic implements have been found and these are now in
2556-500: The cap is rotated rather than the whole body of the mill, had been introduced. The spread of tower mills came with a growing economy that called for larger and more stable sources of power, though they were more expensive to build. In contrast to the post mill, only the cap of the tower mill needs to be turned into the wind, so the main structure can be made much taller, allowing the sails to be made longer, which enables them to provide useful work even in low winds. The cap can be turned into
2627-614: The church's freehold , overall control passed from 1537 in the Dissolution of the Monasteries to Winchester College . Henley , also seen as Henle, (14th century) and Suth henle and Henle on the Heth usually to distinguish Henley on Thames has hosted a long list of prominent figures. The de Henley, de Molyns , the crown as owner from Edward I to Charles I , Arthur Squib whose daughter married its next owner John Glynne , occupied briefly by
2698-743: The closure of 2nd Ash Scout Group in 2010, 1st Ash Vale is the only local Scout group in Ash (for Beavers , Cubs and Scouts ), and the Local Explorer Scout group is Hybrid Explorer Scouts. Ash United is the local football club, which currently plays in the Combined Counties League Division 1. The club is on Youngs Drive, opposite Shawfield Park. There is a frequent bus service through Ash, The 20, linking Ash to Guildford and Aldershot. There are other, less frequent, bus services connecting to Farnborough , and Camberley. The parish
2769-407: The components must be chosen appropriately. The blade of a wind turbine consists of 4 main elements: the root, spar, aerodynamic fairing, and surfacing. The fairing is composed of two shells (one on the pressure side, and one on the suction side), connected by one or more webs linking the upper and lower shells. The webs connect to the spar laminates, which are enclosed within the skins (surfacing) of
2840-401: The components of the windmills to stronger forces and consequently put them at a greater risk of failure. Taller towers and longer blades suffer from higher fatigue, and offshore windfarms are subject to greater forces due to higher wind speeds and accelerated corrosion due to the proximity to seawater. To ensure a long enough lifetime to make the return on the investment viable, the materials for
2911-623: The development of the airplane led to further improvements in efficiency by German engineer Bilau and several Dutch millwrights. The majority of windmills have four sails. Multiple-sailed mills, with five, six, or eight sails, were built in Great Britain (especially in and around the counties of Lincolnshire and Yorkshire ), Germany, and less commonly elsewhere. Earlier multiple-sailed mills are found in Spain, Portugal, Greece, parts of Romania, Bulgaria, and Russia. A mill with an even number of sails has
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2982-456: The dissolution of monasteries, was attached to the abbey of Chertsey... Dr. Young is said to have written a portion of the Night-Thoughts at the rectory-house, then the residence of Dr. Harris, who married a sister of the poet, and was incumbent from 1718 to 1759. Young's poem is particularly noted for original adages such as " procrastination is the thief of time". Wyke near Worplesdon
3053-456: The drainage mills have been appointed as a backup to the modern pumping stations. The Zaan district has been said to have been the first industrialized region of the world with around 600 operating wind-powered industries by the end of the eighteenth century. Economic fluctuations and the industrial revolution had a much greater impact on these industries than on grain and drainage mills, so only very few are left. Construction of mills spread to
3124-532: The far west of the borough of Guildford , Surrey. Ash is on the eastern side of the River Blackwater , with a station on the Reading-Guildford-Gatwick line , and direct roads to Aldershot , Farnham and Guildford . The 2011 census counted the residents of the main ward of Ash, which excludes Ash Vale , as 6,120. Ash has a small museum in the local cemetery chapel , a large secondary school and
3195-407: The front and rear bearings. It has the brake around the outside of the rim and teeth in the side of the rim which drives the horizontal gearwheel called wallower on the top end of the vertical upright shaft. In grist mills , the great spur wheel, lower down the upright shaft, drives one or more stone nuts on the shafts driving each millstone . Post mills sometimes have a head and/or tail wheel driving
3266-764: The horizontal windmill from Persia-Middle East to Southern Europe in the preceding century. The earliest certain reference to a windmill in Northern Europe (assumed to have been of the vertical type) dates from 1185, in the former village of Weedley in Yorkshire which was located at the southern tip of the Wold overlooking the Humber Estuary . Several earlier, but less certainly dated, 12th-century European sources referring to windmills have also been found. These earliest mills were used to grind cereals . The evidence at present
3337-417: The large cemetery chapel. There is a Surrey County Council library in the village with a helpdesk to assist also with the most common Guildford borough council services. The Normandy Youth Club sponsors community-based programs targeting youth in the area (especially marginal groups and minorities) for the purpose of increasing exposure to educational opportunities and building community cohesion . Since
3408-517: The late 19th century, steel blades and towers replaced wooden construction. At their peak in 1930, an estimated 600,000 units were in use. Firms such as U.S. Wind Engine and Pump Company, Challenge Wind Mill and Feed Mill Company, Appleton Manufacturing Company, Star, Eclipse , Fairbanks-Morse , Dempster Mill Manufacturing Company , and Aermotor became the main suppliers in North and South America. These windpumps are used extensively on farms and ranches in
3479-420: The link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Ash_Green&oldid=1193990706 " Category : Place name disambiguation pages Hidden categories: Short description is different from Wikidata All article disambiguation pages All disambiguation pages Ash Green, Surrey Ash is a village and civil parish in
3550-417: The medieval period, but to have been independent inventions by 18th-century engineers. The horizontal-axis or vertical windmill (so called due to the plane of the movement of its sails) is a development of the 12th century, first used in northwestern Europe, in the triangle of northern France , eastern England and Flanders . It is unclear whether the vertical windmill was influenced by the introduction of
3621-456: The milling machinery. The first post mills were of the sunken type, where the post was buried in an earth mound to support it. Later, a wooden support was developed called the trestle . This was often covered over or surrounded by a roundhouse to protect the trestle from the weather and to provide storage space. This type of windmill was the most common in Europe until the 19th century when more powerful tower and smock mills replaced them. In
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#17330861726153692-630: The much greater figure of merit of CFRP. When the Vindeby Offshore Wind Farm was taken down in Denmark in 2017, 99% of the not- degradable fiberglass from 33 wind turbine blades ended as cut up at the Rærup Controlled Landfill near Aalborg and in 2020, with considerably larger fiberglass quantities, even though it is the least environmentally friendly way of handling waste . Scrapped wind turbine blades are set to become
3763-438: The nineteenth century. More recently, windmills have been preserved for their historic value, in some cases as static exhibits when the antique machinery is too fragile to be put in motion, and other cases as fully working mills. Of the 10,000 windmills in use in the Netherlands around 1850, about 1,000 are still standing. Most of these are being run by volunteers, though some grist mills are still operating commercially. Many of
3834-816: The other a prominent social history starting with at least the Norman period of the Domesday book whose commissioners wrote "Azor granted [part of Henley known as Ash] for his soul to Chertsey in the time of King William . Later a 1279 chartulary of Chertsey Abbey records the prohibition of any perpetual title of institutions (as the Abbey states, vulgarly called the prohibition of mortmain ) as led here to 11 acres in Ash with sufficient common pasture for his flocks and herds being held by Robert de Zathe, while Geoffrey de Bacsete ( Bagshot ) and his brother William had 28 acres. The Atwaters of West Clandon also held land in Ash. Nonetheless, from
3905-506: The sailcloth was spread, while in colder climates, the cloth was replaced by wooden slats, which were easier to handle in freezing conditions. The jib sail is commonly found in Mediterranean countries and consists of a simple triangle of cloth wound round a spar. In all cases, the mill needs to be stopped to adjust the sails. Inventions in Great Britain in the late eighteenth and nineteenth centuries led to sails that automatically adjust to
3976-446: The saws. Windmills have been used to power many other industrial processes, including papermills , threshing mills, and to process oil seeds, wool, paints, and stone products. In the 14th century, windmills became popular in Europe; the total number of wind-powered mills is estimated to have been around 200,000 at the peak in 1850, which is close to half of the some 500,000 water wheels . Windmills were applied in regions where there
4047-538: The stiffness, strength, and toughness requirements determined by the loading, the blade needs to be lightweight, and the weight of the blade scales with the cube of its radius. To determine which materials fit the criteria described above, a parameter known as the beam merit index is defined: Mb = E^1/2 / rho, where E is Young's modulus and rho is the density. The best blade materials are carbon fiber and glass fiber reinforced polymers ( CFRP and GFRP ). Currently, GFRP materials are chosen for their lower cost, despite
4118-415: The stone nuts directly, instead of the spur gear arrangement. Additional gear wheels drive a sack hoist or other machinery. The machinery differs if the windmill is used for other applications than milling grain. A drainage mill uses another set of gear wheels on the bottom end of the upright shaft to drive a scoop wheel or Archimedes' screw . Sawmills uses a crankshaft to provide a reciprocating motion to
4189-428: The suction (downwind) side of the blade is subject to cyclic compression-compression loading. Edgewise bending subjects the leading edge to a tensile load, and the trailing edge to a compressive load. The remainder of the shell, not supported by the spars or laminated at the leading and trailing edges, is designed as a sandwiched structure, consisting of multiple layers to prevent elastic buckling. In addition to meeting
4260-603: The village of Askov. By 1908, there were 72 wind-driven electric generators in Denmark, ranging from 5 to 25 kW. By the 1930s, windmills were widely used to generate electricity on farms in the United States where distribution systems had not yet been installed, built by companies such as Jacobs Wind , Wincharger, Miller Airlite, Universal Aeroelectric, Paris-Dunn, Airline, and Winpower. The Dunlite Corporation produced turbines for similar locations in Australia. Forerunners of modern horizontal-axis utility-scale wind generators were
4331-489: The wind either by winches or gearing inside the cap or from a winch on the tail pole outside the mill. A method of keeping the cap and sails into the wind automatically is by using a fantail , a small windmill mounted at right angles to the sails, at the rear of the windmill. These are also fitted to tail poles of post mills and are common in Great Britain and English-speaking countries of the former British Empire, Denmark, and Germany but rare in other places. Around some parts of
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#17330861726154402-450: The wind speed without the need for the miller to intervene, culminating in patent sails invented by William Cubitt in 1807. In these sails, the cloth is replaced by a mechanism of connected shutters. In France, Pierre-Théophile Berton invented a system consisting of longitudinal wooden slats connected by a mechanism that lets the miller open them while the mill is turning. In the twentieth century, increased knowledge of aerodynamics from
4473-455: The windmill is closed or not functional. A slight tilt of the sails (top blade at 1 o'clock) signals joy, such as the birth of a healthy baby. A tilt of the blades to 11-2-5-8 o'clock signals mourning, or warning. It was used to signal the local region during Nazi operations in World War II, such as searches for Jews. Across the Netherlands, windmills were placed in mourning positions in honor of
4544-518: The wing scrap have been disposed of in Denmark, and the waste problem will grow significantly in the coming years when more and more wind turbines have reached their end of life. According to the SDU lecturer's calculations, the waste sector in Denmark will have to receive 46,400 tonnes of fiberglass from wind turbine blades over the next 20–25 years. As so, at the island , Lolland , in Denmark, 250 tonnes of fiberglass from wind turbine waste also pours up on
4615-450: Was 1.3% above the regional average. The proportion who owned their home with a loan was 3.7% above the regional average; providing overall a marginally lower proportion than average of rented residential property relative to that in Surrey , the district and the national average. The average level of accommodation in the region composed of detached houses was 28%, the average that was apartments
4686-523: Was 22.6%. In terms of ethnicity, Ash is relatively homogeneous. 94.8% of residents identified as white at the 2011 Census, higher than the overall figures for the Guildford district (90.9%), Surrey (90.4%), or the UK as a whole (87.2%). However, there is a significant Traveller community in the parish, who live both on specialist sites as well as in local housing estates. Some local schools employ specialist staff to improve cohesion with this group. As of 2024, Ash
4757-555: Was added to the parish in 1880, however has changed parish council to that of Normandy. In 1911 Henley Park, and two houses in Normandy were recorded as significant historic homes. Henley Park estate can be traced back to the Domesday Book, when it was held by Azor, one of the guards of Edward the Confessor . The land was later owned by Chertsey Abbey , who leased it to the de Henley family. The estate passed through many hands, including
4828-585: Was invented sometime around 700–900 AD in Persia . This design was the panemone, with vertical lightweight wooden sails attached by horizontal struts to a central vertical shaft. It was first built to pump water and subsequently modified to grind grain as well. The first practical windmills were panemone windmills , using sails that rotated in a horizontal plane, around a vertical axis. Made of six to 12 sails covered in reed matting or cloth material, these windmills were used to grind grain or draw up water. A medieval account reports that windmill technology
4899-502: Was too little water, where rivers freeze in winter and in flat lands where the flow of the river was too slow to provide the required power. With the coming of the Industrial Revolution , the importance of wind and water as primary industrial energy sources declined, and they were eventually replaced by steam (in steam mills ) and internal combustion engines, although windmills continued to be built in large numbers until late in
4970-507: Was used in Persia and the Middle East during the reign of Rashidun caliph Umar ibn al-Khattab ( r. 634–644 ), based on the caliph's conversation with a Persian builder slave. The authenticity of part of the anecdote involving the caliph Umar is questioned because it was recorded only in the 10th century. The Persian geographer Estakhri reported windmills being operated in Khorasan (Eastern Iran and Western Afghanistan) already in
5041-401: Was used mostly for lifting water from wells. Larger versions were also used for tasks such as sawing wood, chopping hay, and shelling and grinding grain. In early California and some other states, the windmill was part of a self-contained domestic water system which included a hand-dug well and a wooden water tower supporting a redwood tank enclosed by wooden siding known as a tankhouse . During
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