A barrelor cask is a hollow cylindrical container with a bulging center, longer than it is wide. They are traditionally made of wooden staves and bound by wood or metal hoops. The word vat is often used for large containers for liquids, usually alcoholic beverages; a small barrel or cask, typically with capacity of not more than ten gallons, is known as a keg.
Modern wooden barrels for wine-making are made of French common oak ( Quercus robur ), white oak ( Quercus petraea ), or American white oak ( Quercus alba ) and typically have standard sizes:
Modern barrels and casks can also be made of aluminum, stainless steel, and different types of plastic, such as HDPE.
Someone who makes barrels is called a "barrel maker" or cooper (coopers also make buckets, vats, tubs, butter churns, hogsheads, firkins, kegs, kilderkins, tierces, rundlets, puncheons, pipes, tuns, butts, pins, troughs and breakers).
Barrels have a variety of uses, including storage of liquids such as water, oil, and alcohol arrack, and sake. They are also employed to hold maturing beverages such as wine, cognac, armagnac, sherry, port, whiskey, and beer. Other commodities once stored in wooden casks include gunpowder, meat, fish, paint, honey, nails and tallow.
Early casks were bound with wooden hoops and in the 19th century these were gradually replaced by metal hoops that were stronger, more durable and took up less space. The term barrel can also refer to roughly cylindrical containers or drums made of modern materials like plastic, steel or aluminium.
The barrel has also been used as a standard size of measure referring to a set capacity or weight of a given commodity. For example, in the UK a barrel of beer refers to a quantity of 36 imperial gallons (160 L; 43 US gal). Wine was shipped in barrels of 119 litres (31 US gal; 26 imp gal). A barrel of oil, defined as 42 US gallons (35 imp gal; 160 L), is still used as a measure of volume for oil, although oil is no longer shipped in barrels. The barrel has also come into use as a generic term for a wooden cask of any size.
An Egyptian wall-painting in the tomb of Hesy-Ra, dating to 2600 BC, shows a wooden tub made of staves, bound together with wooden hoops, and used to measure wheat.Another Egyptian tomb painting dating to 1900 BC shows a cooper and tubs made of staves in use at the grape harvest. Palm-wood casks were also reported in use in ancient Babylon. In Europe, buckets and casks dating to 200 BC have been found preserved in the mud of lake villages. A lake village near Glastonbury dating to the late Iron Age has yielded one complete tub and a number of wooden staves.
The Roman historian Pliny the Elder reports that cooperage in Europe originated with the Gauls in Alpine villages where they stored their beverages in wooden casks bound with hoops. Pliny identified three different types of coopers: ordinary coopers, wine coopers and coopers who made large casks.Large casks contain more and bigger staves and are correspondingly more difficulty to assemble. Roman coopers tended to be independent tradesmen, passing their skills on to their sons. The Greek geographer Strabo records that wooden pithoi (barrels) were lined with pitch to stop leakage and preserve the wine.
Barrels were sometimes used for military purposes. Julius Caesar used catapults to hurl burning barrels of tar into towns under siege to start fires.The Romans also used empty barrels to make pontoon bridges to cross rivers.
Empty casks were used to line the walls of shallow wells from at least Roman times. Such casks were found in 1897 during archaeological excavation in Britain of Roman Silchester. They were made of Pyrenean silver fir and the staves were one and a half inches thick and featured grooves where the heads fitted. They had Roman numerals scratched on the surface of each stave to help with reassembly.
In Anglo-Saxon Britain wooden barrels were used to store ale, butter, honey and mead. Drinking containers were also made from small staves of oak, yew or pine. These items required considerable craftsmanship to hold liquids and might be bound with finely worked precious metals. They were highly valued items and were sometimes buried with the dead as grave goods.Churns, buckets and tubs made from staves have been excavated from peat bogs and lake villages in Europe. A large keg and a bucket were found in the Viking Gokstad ship excavated near Oslo Fiord in 1880.
An "aging barrel" is used to age wine; distilled spirits such as whiskey, brandy, or rum; beer; tabasco sauce; or (in smaller sizes) traditional balsamic vinegar. When a wine or spirit ages in a barrel, small amounts of oxygen are introduced as the barrel lets some air in (compare to microoxygenation where oxygen is deliberately added). Oxygen enters a barrel when water or alcohol is lost due to evaporation, a portion known as the "angels' share". In an environment with 100% relative humidity, very little water evaporates and so most of the loss is alcohol, a useful trick if one has a wine with very high proof. Most beverages are topped up from other barrels to prevent significant oxidation, although others such as vin jaune and sherry are not.
Beverages aged in wooden barrels take on some of the compounds in the barrel, such as vanillin and wood tannins. The presence of these compounds depends on many factors, including the place of origin, how the staves were cut and dried, and the degree of "toast" applied during manufacture. Barrels used for aging are typically made of French or American oak, but chestnut and redwood are also used. Some Asian beverages (e.g., Japanese sake) use Japanese cedar, which imparts an unusual, minty-piney flavor. In Peru and Chile, a grape distillate named pisco is either aged in oak or in earthenware.
Some wines are fermented "on barrel", as opposed to in a neutral container like steel or wine-grade HDPE (high-density polyethylene) tanks. Wine can also be fermented in large wooden tanks, which—when open to the atmosphere—are called "open-tops". Other wooden cooperage for storing wine or spirits range from smaller barriques to huge casks, with either elliptical or round heads.
The tastes yielded by French and American species of oak are slightly different, with French oak being subtler, while American oak gives stronger aromas.To retain the desired measure of oak influence, a winery will replace a certain percentage of its barrels every year, although this can vary from 5 to 100%. Some winemakers use "200% new oak", where the wine is put into new oak barrels twice during the aging process. Bulk wines are sometimes more cheaply flavored by soaking in oak chips or added commercial oak flavoring instead of being aged in a barrel because of the much lower cost.
Sherry is stored in 600-litre (130 imp gal; 160 US gal) casks made of North American oak, which is slightly more porous than French or Spanish oak. The casks, or butts, are filled five-sixths full, leaving "the space of two fists" empty at the top to allow flor to develop on top of the wine. Sherry is also commonly swapped between barrels of different ages, a process that is known as solera .
Laws in several jurisdictions require that whiskey be aged in wooden barrels. The law in the United States requires that "straight whiskey" (with the exception of corn whiskey) must be stored for at least two years in new, charred oak containers.Other forms of whiskey aged in used barrels cannot be called "straight".
International laws require any whisky bearing the label "Scotch" to be distilled and matured in Scotland for a minimum of three years and one day in oak casks.
By Canadian law, 700 litres (150 imp gal; 180 US gal) capacity.Canadian whiskies must "be aged in small wood for not less than three years", and "small wood" is defined as a wood barrel not exceeding
Since the U.S. law requires the use of new barrels for several popular types of whiskey, which is not typically considered necessary elsewhere, whiskey made elsewhere is usually aged in used barrels that previously contained American whiskey (usually bourbon whiskey). The typical bourbon barrel is 53 US gallons (200 l; 44 imp gal) in size, which is thus the de facto standard whiskey barrel size worldwide. Some distillers transfer their whiskey into different barrels to "finish" or add qualities to the final product. These finishing barrels frequently aged a different spirit (such as rum) or wine. Other distillers, particularly those producing Scotch, often disassemble five used bourbon barrels and reassemble them into four casks with different barrel ends for aging Scotch, creating a type of cask referred to as a hogshead.
Maturing is very important for a good brandy, which is typically aged in oak casks. The wood used for those barrels is selected because of its ability to transfer certain aromas to the spirit. Cognac is aged only in oak casks made from wood from the Forest of Tronçais and more often from the Limousin forests.
Some types of tequila are aged in oak barrels to mellow its flavor. "Reposado" tequila is aged for up to one year, "Añejo" tequila is aged for up to three years, and "Extra Añejo" tequila is aged for at least three years. Like with other spirits, longer aging results in a more pronounced flavor.
Traditional balsamic vinegar is aged in a series of wooden barrels.
Since its invention in 1868, the pepper mash used to make Tabasco sauce is aged for three years in previously used oak whiskey barrels.
Beers are sometimes aged in barrels which were previously used for maturing wines or spirits. This is most common in darker beers such as stout, which is sometimes aged in oak barrels identical to those used for whiskey. Whisky distiller Jameson notably purchases barrels used by Franciscan Well brewery for their Shandon Stout to produce a whisky branded as "Jameson Caskmates". Cask ale is aged in the barrel (usually steel) for a short time before serving. Extensive barrel aging is required of many sour beers.
Vernors ginger ale is marketed as having a "barrel-aged" flavor, and the syrup used to produce the beverage was originally aged in oak barrels when first manufactured in the 19th century.Whether the syrup continues to be aged in oak is unclear.
"Angels' share" is a term for the portion (share) of a wine or distilled spirit's volume that is lost to evaporation during aging in oak barrels. The ambient humidity tends to affect the composition of this share. Drier conditions tend to make the barrels evaporate more water, strengthening the spirit. However, in higher humidities, more alcohol than water will evaporate, therefore reducing the alcoholic strength of the product. This alcoholic evaporate encourages the growth of a darkly colored fungus, the angels' share fungus, Baudoinia compniacensis , which tends to appear on the exterior surfaces of most things in the immediate area.
Water barrels are often used to collect the rainwater from dwellings (so that it may be used for irrigation or other purposes). This usage, known as rainwater harvesting, requires (besides a large rainwater barrel or water butt) adequate (waterproof) roof-covering and an adequate rain pipe.
Wooden casks of various sizes were used to store whale oil on ships in the age of sail. Its viscous nature made sperm whale oil a particularly difficult substance to contain in staved containers and oil coopers were probably the most skilled coopers in pre-industrial cooperage. Olive oil, seed oils and other organic oils were also placed in wooden casks for storage or transport.
Wooden casks were also used to store mineral oil. The standard size barrel of crude oil or other petroleum product (abbreviated bbl) is 42 US gallons (35.0 imp gal ; 159.0 L ). This measurement originated in the early Pennsylvania oil fields, and permitted both British and American merchants to refer to the same unit, based on the old English wine measure, the tierce.
Earlier, another size of whiskey barrel was the most common size; this was the 40 US gallons (33.3 imp gal; 151.4 L) barrel for proof spirits, which was of the same volume as five US bushels. However, by 1866, the oil barrel was standardized at 42 US gallons.
Oil has not been shipped in barrels 20 US gallons (17 imp gal; 76 L) of gasoline, the rest becoming other products such as jet fuel and heating oil, using fractional distillation.since the introduction of oil tankers, but the 42 US gallon size is still used as a unit of measurement for pricing and tax and regulatory codes. Each barrel is refined into about
Barrels have a convex shape and bulge at their center, called bilge. This facilitates rolling a well-built wooden barrel on its side and allows the roller to change directions with little friction, compared to a cylinder. It also helps to distribute stress evenly in the material by making the container more curved[ citation needed ]. Barrels have reinforced edges to enable safe displacement by rolling them at an angle (in addition to rolling on their sides as described).
Casks used for ale or beer have shives and keystones in their openings. Before serving the beer, a spile is hammered into the shive and a tap into the keystone.
The wooden parts that make up a barrel are called staves, the top and bottom are both called heads or headers, and the rings that hold the staves together are called hoops. These are usually made of galvanized iron, though historically they were made of flexible bits of wood called withies. While wooden hoops could require barrels to be "fully hooped", with hoops stacked tightly together along the entire top and bottom third of a barrel, iron-hooped barrels only require a few hoops on each end.
Wine barrels typically come in two hoop configurations. An American barrel features 6 hoops, from top to center: head- or chime hoop, quarter hoop and bilge hoop (times two), while a French barrel features 8, including a so-called French hoop, located between the quarter- and bilge hoops (see "wine barrel parts" illustration). The opening at the center of a barrel is called a bung hole and the stopper used to seal it is a bung . The latter is generally made of white silicone.
A barrel is one of several units of volume, with dry barrels, fluid barrels (UK beer barrel, US beer barrel), oil barrel, etc. The volume of some barrel units is double others, with various volumes in the range of about 100–200 litres (22–44 imp gal; 26–53 US gal).
|gallon||rundlet||barrel||tierce||hogshead||puncheon, tertian||pipe, butt||tun|
|1||1 1⁄2||3||puncheons, tertians|
|1||1 1⁄3||2||2 2⁄3||4||8||barrels|
|1||1 3⁄4||2 1⁄3||3 1⁄2||4 2⁄3||7||14||rundlets|
|1||18||31 1⁄2||42||63||84||126||252||gallons (wine)|
|1||15||26 1⁄4||35||52 1⁄2||70||105||210||gallons (imperial)|
Pre-1824 definitions continued to be used in the US, the wine gallon of 231 cubic inches being the standard gallon for liquids (the corn gallon of 268.8 cubic inches for solids). In Britain, the wine gallon was replaced by the imperial gallon. The tierce later became the petrol barrel. The tun was originally 256 gallons, which explains from where the quarter, 8 bushels or 64 (wine) gallons, comes.
|= 4.621 L||= 36.97 L||= 73.94 L||= 147.9 L||= 221.8 L|
|= 4.621 L||= 41.59 L||= 83.18 L||= 166.4 L||= 249.5 L|
|1||8 1⁄2||17||34||51||ale gallons||1688|
|= 4.621 L||= 39.28 L||= 78.56 L||= 157.1 L||= 235.7 L|
|= 4.621 L||= 41.59 L||= 83.18 L||= 166.4 L||= 249.5 L|
|= 4.546 L||= 40.91 L||= 81.83 L||= 163.7 L||= 245.5 L|
Although it is common to refer to draught beer containers of any size as barrels, in the UK this is strictly correct only if the container holds 36 imperial gallons. The terms "keg" and "cask" refer to containers of any size, the distinction being that kegs are used for beers intended to be served using external gas cylinders. Cask ales undergo part of their fermentation process in their containers, called casks.
Casks are available in several sizes, and it is common to refer to "a firkin" or "a kil" (kilderkin) instead of a cask.
The modern US beer barrel is 31 US gallons (117.34777 L), half a gallon less than the traditional wine barrel. (26 U.S.C. §5051 )
Barrels are also used as a unit of measurement for dry goods (dry groceries), such as flour or produce. Traditionally, a barrel is 196 pounds (89 kg) of flour (wheat or rye), with other substances such as pork subject to more local variation. In modern times, produce barrels for all dry goods, excepting cranberries, contain 7,056 cubic inches, about 115.627 L.
In the northeastern United States, nails, bolts, and plumbing fittings were commonly shipped in small rough barrels. These were small, 18 inches high by about 10–12 inches in diameter. The wood was the quality of pallet lumber. The binding was sometimes by wire or metal hoops or both. This practice seems to have been prevalent up till the 1980s. Older hardware stores probably still have some of these barrels.[ citation needed ]
Draught beer, also spelt draft, is beer served from a cask or keg rather than from a bottle or can. Draught beer served from a pressurised keg is also known as keg beer.
The gallon is a unit of measurement for volume and fluid capacity in both the US customary units and the British imperial systems of measurement. Three significantly different sizes are in current use:
A hogshead is a large cask of liquid. More specifically, it refers to a specified volume, measured in either imperial or US customary measures, primarily applied to alcoholic beverages, such as wine, ale, or cider.
Whisky or whiskey is a type of distilled alcoholic beverage made from fermented grain mash or by distilling beer. Various grains are used for different varieties, including barley, corn, rye, and wheat. Whisky is typically aged in wooden casks, generally made of charred white oak.
Single malt whisky is malt whisky from a single distillery. Single malts are typically associated with single malt Scotch, though they are also produced in various other countries. Under the United Kingdom's Scotch Whisky Regulations, a "Single Malt Scotch Whisky" must be made exclusively from malted barley, must be distilled using pot stills at a single distillery, and must be aged for at least three years in oak casks of a capacity not exceeding 700 litres. While the Scotch model is usually copied internationally, these constraints may not apply to whisky marketed as "single malt" that is produced elsewhere. For example, there is no definition of the term "single" with relation to whisky in the law of the United States, and some American whiskey advertised as "single malt whisky" is produced from malted rye rather than malted barley.
Rye whiskey can refer to two different, but related, types of whiskey:
A carboy, also known as a demijohn, is a rigid container with a typical capacity of 1 to 16 US gallons. Carboys are primarily used for transporting liquids, often water or chemicals.
Royal Brackla distillery is a Highland Scotch whisky distillery on the Cawdor Estate, near Nairn in Scotland. The distillery is operated by John Dewar & Sons Ltd for Bacardi.
A barrel is one of several units of volume applied in various contexts; there are dry barrels, fluid barrels, oil barrels, and so forth. For historical reasons the volumes of some barrel units are roughly double the volumes of others; volumes in common use range approximately from 100 to 200 litres. In many connections the term drum is used almost interchangeably with barrel.
A drum is a cylindrical container used for shipping bulk cargo. Drums can be made of steel, dense paperboard, or plastics, and are generally used for the transportation and storage of liquids and powders. Drums are often certified for shipment of dangerous goods. Shipped goods must be matched with the make of drum necessary to comply with applicable regulations. Drums are also called barrels in common usage.
A cooper is a person trained to make wooden casks, barrels, vats, buckets, tubs, troughs and other similar containers from timber staves that were usually heated or steamed to make them pliable.
Oak is used in winemaking to vary the color, flavor, tannin profile and texture of wine. It can be introduced in the form of a barrel during the fermentation or aging periods, or as free-floating chips or staves added to wine fermented in a vessel like stainless steel. Oak barrels can impart other qualities to wine through evaporation and low level exposure to oxygen.
A keg is a small barrel. Traditionally, a wooden keg is made by a cooper and used to transport items such as nails, gunpowder, and a variety of liquids.
The tun is an English unit of liquid volume, used for measuring wine, oil or honey. Typically a large vat or vessel, most often holding 252 wine gallons, but occasionally other sizes were also used.
The Dalmore distillery is located in Alness, Scotland, which is 20 miles (32 km) north of Inverness. It sits on the banks of the Cromarty Firth overlooking the Black Isle, the "big meadowland", from which it takes its name.
Capacities of wine casks were formerly measured and standardised according to a specific system of English units. The various units were historically defined in terms of the wine gallon so varied according to the definition of the gallon until the adoption of the Queen Anne wine gallon in 1707. In the United Kingdom and its colonies the units were redefined with the introduction of the imperial system whilst the Queen Anne wine gallon was adopted as the standard US liquid gallon.
Capacities of brewery casks were formerly measured and standardised according to a specific system of English units. The system was originally based on the ale gallon of 282 cubic inches. In United Kingdom and its colonies, with the adoption of the imperial system in 1824, the units were redefined in terms of the slightly smaller imperial gallon. The older units continued in use in the United States.
A number of units of measurement were used in South Africa to measure quantities like length, mass, capacity, etc. The Imperial system of measurements was made standard in 1922 and the metric system was adopted in 1970.
A barrel-aged beer is a beer that has been aged for a period of time in a wooden barrel. Typically, these barrels once housed bourbon, whisky, wine, or, to a lesser extent, brandy, sherry, or port. There is a particular tradition of barrel ageing beer in Belgium, notably of lambic beers. The first bourbon barrel-aged beers were produced in the United States in the early 1990s.
Whisky or whiskey is a type of distilled alcoholic beverage made from fermented grain mash. Various grains are used in different varieties, including barley, corn, rye, and wheat. Whisky is typically aged in wooden casks, generally made of charred white oak.
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