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built for

  • 1 Mobile version of SEAC, built for deployment to White Sands, and named Standards Western Automatic Calculator

    File extension: SWAC

    Универсальный русско-английский словарь > Mobile version of SEAC, built for deployment to White Sands, and named Standards Western Automatic Calculator

  • 2 for the most part

    غَالِبًا \ for the most part: mostly: He is old and for the most part he stays at home. mainly: chiefly; mostly. mostly: chiefly; usually: Their houses are mostly built of brick. usually: customarily; at most times: We usually meet on Sundays.

    Arabic-English glossary > for the most part

  • 3 purpose-built

    adjective
    made or built for a particular need or purpose:

    People who use wheelchairs sometimes live in purpose-built houses.

    مبْني لِهَدَفٍ مُعَيَّن

    Arabic-English dictionary > purpose-built

  • 4 A common basis for judging the safety of nuclear power plants built to earlier standards

    Engineering: INSAG-8

    Универсальный русско-английский словарь > A common basis for judging the safety of nuclear power plants built to earlier standards

  • 5 Mikoyan/Gurevich, common designator for Russian-built fighters

    Aviation: MiG

    Универсальный русско-английский словарь > Mikoyan/Gurevich, common designator for Russian-built fighters

  • 6 Mobility Operations For Built-up Areas

    Abbreviation: MOBA (US Army)

    Универсальный русско-английский словарь > Mobility Operations For Built-up Areas

  • 7 встроенный датчик для выполнения конкретной цели

    1. built-for-purpose sensor

     

    встроенный датчик для выполнения конкретной цели
    целевой датчик


    [А.С.Гольдберг. Англо-русский энергетический словарь. 2006 г.]

    Тематики

    Синонимы

    EN

    Русско-английский словарь нормативно-технической терминологии > встроенный датчик для выполнения конкретной цели

  • 8 встроенный контроллер для выполнения конкретной цели

    1. built-for-purpose control

     

    встроенный контроллер для выполнения конкретной цели
    целевой контроллер


    [А.С.Гольдберг. Англо-русский энергетический словарь. 2006 г.]

    Тематики

    Синонимы

    EN

    Русско-английский словарь нормативно-технической терминологии > встроенный контроллер для выполнения конкретной цели

  • 9 hecho a medida

    (adj.) = customised [customized, -USA], purpose-designed, tailored, tailor-made [tailormade], custom-made, custom-built [custom built], custom-designed [custom designed], custom-tailored [custom tailored], bespoke, made to measure, fitted, made-to-order
    Ex. Librarians are now asking vendors to provide customized services as well.
    Ex. This is to opt for local cataloguing using either a purpose-designed software package or a standard software package.
    Ex. Tailored formats are provided on the screen for the input and amendment of records.
    Ex. Fourthly, it had an inbuilt classified notational structure which were almost tailor-made for the production of subject catalogues.
    Ex. The only viable alternatives open to would-be users are to produce or commission the production of custom-made application programs.
    Ex. This library van was custom built for the needs of older people and those with mobility problems, and incorporates a lift, grab rails, and comfortable seating.
    Ex. Because of this absence of standardisation each modern archivist wants an individual custom-designed data base management system.
    Ex. The result is an optimal cluster of relevant data items, custom-tailored for each user's needs.
    Ex. The software package 'MULTITRIEVE 2' was developed as a means of producing bespoke information retrieval systems.
    Ex. The article ' Made to measure' reviews available techniques for users of the Internet to customize their terminal and access mode.
    Ex. Men of the upper classes went to a tailor for individually fitted garments.
    Ex. The Daily Mail reports that made-to-order embryos are being offered, at a cost of about $10000.
    * * *
    (adj.) = customised [customized, -USA], purpose-designed, tailored, tailor-made [tailormade], custom-made, custom-built [custom built], custom-designed [custom designed], custom-tailored [custom tailored], bespoke, made to measure, fitted, made-to-order

    Ex: Librarians are now asking vendors to provide customized services as well.

    Ex: This is to opt for local cataloguing using either a purpose-designed software package or a standard software package.
    Ex: Tailored formats are provided on the screen for the input and amendment of records.
    Ex: Fourthly, it had an inbuilt classified notational structure which were almost tailor-made for the production of subject catalogues.
    Ex: The only viable alternatives open to would-be users are to produce or commission the production of custom-made application programs.
    Ex: This library van was custom built for the needs of older people and those with mobility problems, and incorporates a lift, grab rails, and comfortable seating.
    Ex: Because of this absence of standardisation each modern archivist wants an individual custom-designed data base management system.
    Ex: The result is an optimal cluster of relevant data items, custom-tailored for each user's needs.
    Ex: The software package 'MULTITRIEVE 2' was developed as a means of producing bespoke information retrieval systems.
    Ex: The article ' Made to measure' reviews available techniques for users of the Internet to customize their terminal and access mode.
    Ex: Men of the upper classes went to a tailor for individually fitted garments.
    Ex: The Daily Mail reports that made-to-order embryos are being offered, at a cost of about $10000.

    Spanish-English dictionary > hecho a medida

  • 10 hecho por encargo

    = tailor-made [tailormade], bespoke, custom-made, custom-built [custom built], custom-designed [custom designed], custom-tailored [custom tailored], made-to-order, made to measure
    Ex. Fourthly, it had an inbuilt classified notational structure which were almost tailor-made for the production of subject catalogues.
    Ex. The software package 'MULTITRIEVE 2' was developed as a means of producing bespoke information retrieval systems.
    Ex. The only viable alternatives open to would-be users are to produce or commission the production of custom-made application programs.
    Ex. This library van was custom built for the needs of older people and those with mobility problems, and incorporates a lift, grab rails, and comfortable seating.
    Ex. Because of this absence of standardisation each modern archivist wants an individual custom-designed data base management system.
    Ex. The result is an optimal cluster of relevant data items, custom-tailored for each user's needs.
    Ex. The Daily Mail reports that made-to-order embryos are being offered, at a cost of about $10000.
    Ex. The article ' Made to measure' reviews available techniques for users of the Internet to customize their terminal and access mode.
    * * *
    = tailor-made [tailormade], bespoke, custom-made, custom-built [custom built], custom-designed [custom designed], custom-tailored [custom tailored], made-to-order, made to measure

    Ex: Fourthly, it had an inbuilt classified notational structure which were almost tailor-made for the production of subject catalogues.

    Ex: The software package 'MULTITRIEVE 2' was developed as a means of producing bespoke information retrieval systems.
    Ex: The only viable alternatives open to would-be users are to produce or commission the production of custom-made application programs.
    Ex: This library van was custom built for the needs of older people and those with mobility problems, and incorporates a lift, grab rails, and comfortable seating.
    Ex: Because of this absence of standardisation each modern archivist wants an individual custom-designed data base management system.
    Ex: The result is an optimal cluster of relevant data items, custom-tailored for each user's needs.
    Ex: The Daily Mail reports that made-to-order embryos are being offered, at a cost of about $10000.
    Ex: The article ' Made to measure' reviews available techniques for users of the Internet to customize their terminal and access mode.

    Spanish-English dictionary > hecho por encargo

  • 11 Adams, William Bridges

    [br]
    b. 1797 Madeley, Staffordshire, England
    d. 23 July 1872 Broadstairs, Kent, England
    [br]
    English inventory particularly of road and rail vehicles and their equipment.
    [br]
    Ill health forced Adams to live abroad when he was a young man and when he returned to England in the early 1830s he became a partner in his father's firm of coachbuilders. Coaches during that period were steered by a centrally pivoted front axle, which meant that the front wheels had to swing beneath the body and were therefore made smaller than the rear wheels. Adams considered this design defective and invented equirotal coaches, built by his firm, in which the front and rear wheels were of equal diameter and the coach body was articulated midway along its length so that the front part pivoted. He also applied himself to improving vehicles for railways, which were developing rapidly then.
    In 1843 he opened his own engineering works, Fairfield Works in north London (he was not related to his contemporary William Adams, who was appointed Locomotive Superintendent to the North London Railway in 1854). In 1847 he and James Samuel, Engineer to the Eastern Counties Railway, built for that line a small steam inspection car, the Express, which was light enough to be lifted off the track. The following year Adams built a broad-gauge steam railcar, the Fairfield, for the Bristol \& Exeter Railway at the insistance of the line's Engineer, C.H.Gregory: self-propelled and passenger-carrying, this was the first railcar. Adams developed the concept further into a light locomotive that could haul two or three separate carriages, and light locomotives built both by his own firm and by other noted builders came into vogue for a decade or more.
    In 1847 Adams also built eight-wheeled coaches for the Eastern Counties Railway that were larger and more spacious than most others of the day: each in effect comprised two four-wheeled coaches articulated together, with wheels that were allowed limited side-play. He also realized the necessity for improvements to railway track, the weakest point of which was the joints between the rails, whose adjoining ends were normally held in common chairs. Adams invented the fishplated joint, first used by the Eastern Counties Railway in 1849 and subsequently used almost universally.
    Adams was a prolific inventor. Most important of his later inventions was the radial axle, which was first applied to the leading and trailing wheels of a 2–4–2 tank engine, the White Raven, built in 1863; Adams's radial axle was the forerunner of all later radial axles. However, the sprung tyres with which White Raven was also fitted (an elastic steel hoop was interposed between wheel centre and tyre) were not perpetuated. His inventiveness was not restricted to engineering: in matters of dress, his adoption, perhaps invention, of the turn-down collar at a time when men conventionally wore standup collars had lasting effect.
    [br]
    Bibliography
    Adams took out some thirty five British patents, including one for the fishplate in 1847. He wrote copiously, as journalist and author: his most important book was English Pleasure Carriages (1837), a detailed description of coachbuilding, together with ideas for railway vehicles and track. The 1971 reprint (Bath: Adams \& Dart) has a biographical introduction by Jack Simmons.
    Further Reading
    C.Hamilton Ellis, 1958, Twenty Locomotive Men, Shepperton: Ian Allan, Ch. 1. See also England, George.
    PJGR

    Biographical history of technology > Adams, William Bridges

  • 12 Fairlie, Robert Francis

    [br]
    b. March 1831 Scotland
    d. 31 July 1885 Clapham, London, England
    [br]
    British engineer, designer of the double-bogie locomotive, advocate of narrow-gauge railways.
    [br]
    Fairlie worked on railways in Ireland and India, and established himself as a consulting engineer in London by the early 1860s. In 1864 he patented his design of locomotive: it was to be carried on two bogies and had a double boiler, the barrels extending in each direction from a central firebox. From smokeboxes at the outer ends, return tubes led to a single central chimney. At that time in British practice, locomotives of ever-increasing size were being carried on longer and longer rigid wheelbases, but often only one or two of their three or four pairs of wheels were powered. Bogies were little used and then only for carrying-wheels rather than driving-wheels: since their pivots were given no sideplay, they were of little value. Fairlie's design offered a powerful locomotive with a wheelbase which though long would be flexible; it would ride well and have all wheels driven and available for adhesion.
    The first five double Fairlie locomotives were built by James Cross \& Co. of St Helens during 1865–7. None was particularly successful: the single central chimney of the original design had been replaced by two chimneys, one at each end of the locomotive, but the single central firebox was retained, so that exhaust up one chimney tended to draw cold air down the other. In 1870 the next double Fairlie, Little Wonder, was built for the Festiniog Railway, on which C.E. Spooner was pioneering steam trains of very narrow gauge. The order had gone to George England, but the locomotive was completed by his successor in business, the Fairlie Engine \& Steam Carriage Company, in which Fairlie and George England's son were the principal partners. Little Wonder was given two inner fireboxes separated by a water space and proved outstandingly successful. The spectacle of this locomotive hauling immensely long trains up grade, through the Festiniog Railway's sinuous curves, was demonstrated before engineers from many parts of the world and had lasting effect. Fairlie himself became a great protagonist of narrow-gauge railways and influenced their construction in many countries.
    Towards the end of the 1860s, Fairlie was designing steam carriages or, as they would now be called, railcars, but only one was built before the death of George England Jr precipitated closure of the works in 1870. Fairlie's business became a design agency and his patent locomotives were built in large numbers under licence by many noted locomotive builders, for narrow, standard and broad gauges. Few operated in Britain, but many did in other lands; they were particularly successful in Mexico and Russia.
    Many Fairlie locomotives were fitted with the radial valve gear invented by Egide Walschaert; Fairlie's role in the universal adoption of this valve gear was instrumental, for he introduced it to Britain in 1877 and fitted it to locomotives for New Zealand, whence it eventually spread worldwide. Earlier, in 1869, the Great Southern \& Western Railway of Ireland had built in its works the first "single Fairlie", a 0–4–4 tank engine carried on two bogies but with only one of them powered. This type, too, became popular during the last part of the nineteenth century. In the USA it was built in quantity by William Mason of Mason Machine Works, Taunton, Massachusetts, in preference to the double-ended type.
    Double Fairlies may still be seen in operation on the Festiniog Railway; some of Fairlie's ideas were far ahead of their time, and modern diesel and electric locomotives are of the powered-bogie, double-ended type.
    [br]
    Bibliography
    1864, British patent no. 1,210 (Fairlie's master patent).
    1864, Locomotive Engines, What They Are and What They Ought to Be, London; reprinted 1969, Portmadoc: Festiniog Railway Co. (promoting his ideas for locomotives).
    1865, British patent no. 3,185 (single Fairlie).
    1867. British patent no. 3,221 (combined locomotive/carriage).
    1868. "Railways and their Management", Journal of the Society of Arts: 328. 1871. "On the Gauge for Railways of the Future", abstract in Report of the Fortieth
    Meeting of the British Association in 1870: 215. 1872. British patent no. 2,387 (taper boiler).
    1872, Railways or No Railways. "Narrow Gauge, Economy with Efficiency; or Broad Gauge, Costliness with Extravagance", London: Effingham Wilson; repr. 1990s Canton, Ohio: Railhead Publications (promoting the cause for narrow-gauge railways).
    Further Reading
    Fairlie and his patent locomotives are well described in: P.C.Dewhurst, 1962, "The Fairlie locomotive", Part 1, Transactions of the Newcomen Society 34; 1966, Part 2, Transactions 39.
    R.A.S.Abbott, 1970, The Fairlie Locomotive, Newton Abbot: David \& Charles.
    PJGR

    Biographical history of technology > Fairlie, Robert Francis

  • 13 hecho a propósito

    (adj.) = tailor-made [tailormade], custom-made, custom-built [custom built], custom-designed [custom designed], custom-tailored [custom tailored]
    Ex. Fourthly, it had an inbuilt classified notational structure which were almost tailor-made for the production of subject catalogues.
    Ex. The only viable alternatives open to would-be users are to produce or commission the production of custom-made application programs.
    Ex. This library van was custom built for the needs of older people and those with mobility problems, and incorporates a lift, grab rails, and comfortable seating.
    Ex. Because of this absence of standardisation each modern archivist wants an individual custom-designed data base management system.
    Ex. The result is an optimal cluster of relevant data items, custom-tailored for each user's needs.
    * * *
    (adj.) = tailor-made [tailormade], custom-made, custom-built [custom built], custom-designed [custom designed], custom-tailored [custom tailored]

    Ex: Fourthly, it had an inbuilt classified notational structure which were almost tailor-made for the production of subject catalogues.

    Ex: The only viable alternatives open to would-be users are to produce or commission the production of custom-made application programs.
    Ex: This library van was custom built for the needs of older people and those with mobility problems, and incorporates a lift, grab rails, and comfortable seating.
    Ex: Because of this absence of standardisation each modern archivist wants an individual custom-designed data base management system.
    Ex: The result is an optimal cluster of relevant data items, custom-tailored for each user's needs.

    Spanish-English dictionary > hecho a propósito

  • 14 Murray, Matthew

    [br]
    b. 1765 near Newcastle upon Tyne, England
    d. 20 February 1826 Holbeck, Leeds, England
    [br]
    English mechanical engineer and steam engine, locomotive and machine-tool pioneer.
    [br]
    Matthew Murray was apprenticed at the age of 14 to a blacksmith who probably also did millwrighting work. He then worked as a journeyman mechanic at Stockton-on-Tees, where he had experience with machinery for a flax mill at Darlington. Trade in the Stockton area became slack in 1788 and Murray sought work in Leeds, where he was employed by John Marshall, who owned a flax mill at Adel, located about 5 miles (8 km) from Leeds. He soon became Marshall's chief mechanic, and when in 1790 a new mill was built in the Holbeck district of Leeds by Marshall and his partner Benyon, Murray was responsible for the installation of the machinery. At about this time he took out two patents relating to improvements in textile machinery.
    In 1795 he left Marshall's employment and, in partnership with David Wood (1761– 1820), established a general engineering and millwrighting business at Mill Green, Holbeck. In the following year the firm moved to a larger site at Water Lane, Holbeck, and additional capital was provided by two new partners, James Fenton (1754–1834) and William Lister (1796–1811). Lister was a sleeping partner and the firm was known as Fenton, Murray \& Wood and was organized so that Fenton kept the accounts, Wood was the administrator and took charge of the workshops, while Murray provided the technical expertise. The factory was extended in 1802 by the construction of a fitting shop of circular form, after which the establishment became known as the "Round Foundry".
    In addition to textile machinery, the firm soon began the manufacture of machine tools and steam-engines. In this field it became a serious rival to Boulton \& Watt, who privately acknowledged Murray's superior craftsmanship, particularly in foundry work, and resorted to some industrial espionage to discover details of his techniques. Murray obtained patents for improvements in steam engines in 1799, 1801 and 1802. These included automatic regulation of draught, a mechanical stoker and his short-D slide valve. The patent of 1801 was successfully opposed by Boulton \& Watt. An important contribution of Murray to the development of the steam engine was the use of a bedplate so that the engine became a compact, self-contained unit instead of separate components built into an en-gine-house.
    Murray was one of the first, if not the very first, to build machine tools for sale. However, this was not the case with the planing machine, which he is said to have invented to produce flat surfaces for his slide valves. Rather than being patented, this machine was kept secret, although it was apparently in use before 1814.
    In 1812 Murray was engaged by John Blenkinsop (1783–1831) to build locomotives for his rack railway from Middleton Colliery to Leeds (about 3 1/2 miles or 5.6 km). Murray was responsible for their design and they were fitted with two double-acting cylinders and cranks at right angles, an important step in the development of the steam locomotive. About six of these locomotives were built for the Middleton and other colliery railways and some were in use for over twenty years. Murray also supplied engines for many early steamboats. In addition, he built some hydraulic machinery and in 1814 patented a hydraulic press for baling cloth.
    Murray's son-in-law, Richard Jackson, later became a partner in the firm, which was then styled Fenton, Murray \& Jackson. The firm went out of business in 1843.
    [br]
    Principal Honours and Distinctions
    Society of Arts Gold Medal 1809 (for machine for hackling flax).
    Further Reading
    L.T.C.Rolt, 1962, Great Engineers, London (contains a good short biography).
    E.Kilburn Scott (ed.), 1928, Matthew Murray, Pioneer Engineer, Leeds (a collection of essays and source material).
    Year 1831, London.
    L.T.C.Rolt, 1965, Tools for the Job, London; repub. 1986 (provides information on Murray's machine-tool work).
    Some of Murray's correspondence with Simon Goodrich of the Admiralty has been published in Transactions of the Newcomen Society 3 (1922–3); 6(1925–6); 18(1937– 8); and 32 (1959–60).
    RTS

    Biographical history of technology > Murray, Matthew

  • 15 Rastrick, John Urpeth

    [br]
    b. 26 January 1780 Morpeth, England
    d. 1 November 1856 Chertsey, England
    [br]
    English engineer whose career spanned the formative years of steam railways, from constructing some of the earliest locomotives to building great trunk lines.
    [br]
    John Urpeth Rastrick, son of an engineer, was initially articled to his father and then moved to Ketley Ironworks, Shropshire, c. 1801. In 1808 he entered into a partnership with John Hazledine at Bridgnorth, Shropshire: Hazledine and Rastrick built many steam engines to the designs of Richard Trevithick, including the demonstration locomotive Catch-Me-Who-Can. The firm also built iron bridges, notably the bridge over the River Wye at Chepstow in 1815–16.
    Between 1822 and 1826 the Stratford \& Moreton Railway was built under Rastrick's direction. Malleable iron rails were laid, in one of the first instances of their use. They were supplied by James Foster of Stourbridge, with whom Rastrick went into partnership after the death of Hazledine. In 1825 Rastrick was one of a team of engineers sent by the committee of the proposed Liverpool \& Manchester Railway (L \& MR) to carry out trials of locomotives built by George Stephenson on the Killingworth Waggonway. Early in 1829 the directors of the L \& MR, which was by then under construction, sent Rastrick and James Walker to inspect railways in North East England and report on the relative merits of steam locomotives and fixed engines with cable haulage. They reported, rather hesitantly, in favour of the latter, particularly the reciprocal system of Benjamin Thompson. In consequence the Rainhill Trials, at which Rastrick was one of the judges, were held that October. In 1829 Rastrick constructed the Shutt End colliery railway in Worcestershire, for which Foster and Rastrick built the locomotive Agenoria; this survives in the National Railway Museum. Three similar locomotives were built to the order of Horatio Allen for export to the USA.
    From then until he retired in 1847 Rastrick found ample employment surveying railways, appearing as a witness before Parliamentary committees, and supervising construction. Principally, he surveyed the southern part of the Grand Junction Railway, which was built for the most part by Joseph Locke, and the line from Manchester to Crewe which was eventually built as the Manchester \& Birmingham Railway. The London \& Brighton Railway (Croydon to Brighton) was his great achievement: built under Rastrick's supervision between 1836 and 1840, it included three long tunnels and the magnificent Ouse Viaduct. In 1845 he was Engineer to the Gravesend \& Rochester Railway, the track of which was laid through the Thames \& Medway Canal's Strood Tunnel, partly on the towpath and partly on a continuous staging over the water.
    [br]
    Principal Honours and Distinctions
    FRS 1837.
    Bibliography
    1829, with Walker, Report…on the Comparative Merits of Locomotive and Fixed Engines, Liverpool.
    Further Reading
    C.F.Dendy Marshall, 1953, A History of Railway Locomotives Down to the End of the Year 1831, The Locomotive Publishing Co.
    R.E.Carlson, 1969, The Liverpool \& Manchester Railway Project 1821–1831, Newton Abbot: David \& Charles.
    C.Hadfield and J.Norris, 1962, Waterways to Stratford, Newton Abbot: David \& Charles (covers Stratford and Moreton Railway).
    PJGR

    Biographical history of technology > Rastrick, John Urpeth

  • 16 Allen, Horatio

    [br]
    b. 10 May 1802 Schenectady, New York, USA
    d. 1 January 1890 South Orange, New Jersey, USA
    [br]
    American engineer, pioneer of steam locomotives.
    [br]
    Allen was the Resident Engineer for construction of the Delaware \& Hudson Canal and in 1828 was instructed by J.B. Jervis to visit England to purchase locomotives for the canal's rail extension. He drove the locomotive Stourbridge Lion, built by J.U. Rastrick, on its first trial on 9 August 1829, but weak track prevented its regular use.
    Allen was present at the Rainhill Trials on the Liverpool \& Manchester Railway in October 1829. So was E.L.Miller, one of the promoters of the South Carolina Canal \& Rail Road Company, to which Allen was appointed Chief Engineer that autumn. Allen was influential in introducing locomotives to this railway, and the West Point Foundry built a locomotive for it to his design; it was the first locomotive built in the USA for sale. This locomotive, which bore some resemblance to Novelty, built for Rainhill by John Braithwaite and John Ericsson, was named Best Friend of Charleston. On Christmas Day 1830 it hauled the first scheduled steam train to run in America, carrying 141 passengers.
    In 1832 the West Point Foundry built four double-ended, articulated 2–2–0+0–2–2 locomotives to Horatio Allen's design for the South Carolina railroad. From each end of a central firebox extended two boiler barrels side by side with common smokeboxes and chimneys; wheels were mounted on swivelling sub-frames, one at each end, beneath these boilers. Allen's principal object was to produce a powerful locomotive with a light axle loading.
    Allen subsequently became a partner in Stillman, Allen \& Co. of New York, builders of marine engines, and in 1843 was President of the Erie Railroad.
    [br]
    Further Reading
    J.Marshall, 1978, A Biographical Dictionary of Railway Engineers, Newton Abbot: David \& Charles.
    Dictionary of American Biography.
    R.E.Carlson, 1969, The Liverpool \& Manchester Railway Project 1821–1831, Newton Abbot: David \& Charles.
    J.F.Stover, 1961, American Railroads, Chicago: University of Chicago Press.
    J.H.White Jr, 1994, "Old debts and new visions", in Common Roots—Separate Branches, London: Science Museum, 79–82.
    PJGR

    Biographical history of technology > Allen, Horatio

  • 17 Mallet, Jules Théodore Anatole

    [br]
    b. 1837 Geneva, Switzerland
    d. November 1919 Nice, France
    [br]
    Swiss engineer, inventor of the compound steam locomotive and the Mallet articulated locomotive.
    [br]
    Mallet's family moved to Normandy while he was still a child. After working as a civil engineer, in 1867 he turned to machinery, particularly to compound steam engines. He designed the first true compound steam locomotives, which were built for the Bayonne- Biarritz Railway in 1876. They were 0–4–2 tank locomotives with one high-pressure and one low-pressure cylinder. A starting valve controlled by the driver admitted high-pressure steam to the low-pressure cylinder while the high-pressure cylinder exhausted to the atmosphere. At that time it was thought impracticable in a narrow-gauge locomotive to have more than three coupled axles in rigid frames. Mallet patented his system of articulation in 1884 and the first locomotives were built to that design in 1888: they were 0–4–4–0 tanks with two sets of frames. The two rear pairs of wheels carried the rear set of frames and were driven by two high-pressure cylinders; the two front pairs, which were driven by the high-pressure cylinders, carried a separate set of frames that was allowed sideplay, with a centre of rotation between the low-pressure cylinders. In contrast to the patent locomotive of Robert Fairlie, no flexible connections were required to carry steam at boiler pressure. The first Mallet articulated locomotives were small, built to 60 cm (23.6 in.) gauge: the first standard-gauge Mallets were built in 1890, for the St Gotthard Railway, and it was only after the type was adopted by American railways in 1904 that large Mallet locomotives were built, with sizes increasing rapidly to culminate in some of the largest steam locomotives ever produced. In the late 1880s Mallet also designed monorail locomotives, which were built for the system developed by C.F.M.-T. Lartigue.
    [br]
    Bibliography
    1884, French patent no. 162,876 (articulated locomotive).
    Further Reading
    J.T.van Riemsdijk, 1970, "The compound locomotive, Part I", Transactions of the Newcomen Society 43 (describes Mallet's work on compounding).
    L.Wiener, 1930, Articulated Locomotives, London: Constable (describes his articulated locomotives).
    For the Mallet family, see Historisch-Biographisches Lexikon der Schweiz.
    PJGR

    Biographical history of technology > Mallet, Jules Théodore Anatole

  • 18 Volk, Magnus

    [br]
    b. 19 October 1851 Brighton, England
    d. 20 May 1937 Brighton, England
    [br]
    English pioneer in the use of electric power; built the first electric railway in the British Isles to operate a regular service.
    [br]
    Volk was the son of a German immigrant clockmaker and continued the business with his mother after his father died in 1869, although when he married in 1879 his profession was described as "electrician". He installed Brighton's first telephone the same year and in 1880 he installed electric lighting in his own house, using a Siemens Brothers dynamo (see Siemens, Dr Ernst Werner von) driven by a Crossley gas engine. This was probably one of the first half-dozen such installations in Britain. Magnus Volk \& Co. became noted electrical manufacturers and contractors, and, inter alia, installed electric light in Brighton Pavilion in place of gas.
    By 1883 Volk had moved house. He had kept the dynamo and gas engine used to light his previous house, and he also had available an electric motor from a cancelled order. After approaching the town clerk of Brighton, he was given permission for a limited period to build and operate a 2 ft (61 cm) gauge electric railway along the foreshore. Using the electrical equipment he already had, Volk built the line, a quarter of a mile (400 m) long, in eight weeks. The car was built by a local coachbuilder, with the motor under the seat; electric current at 50 volts was drawn from one running rail and returned through the other.
    The railway was opened on 4 August 1883. It operated regularly for several months and then, permission to run it having been renewed, it was rebuilt for the 1884 season to 2 ft 9 in. (84 cm) gauge, with improved equipment. Despite storm damage from time to time, Volk's Electric Railway, extended in length, has become an enduring feature of Brighton's sea front. In 1887 Volk made an electric dogcart, and an electric van which he built for the Sultan of Turkey was probably the first motor vehicle built in Britain for export. In 1896 he opened the Brighton \& Rottingdean Seashore Electric Tramroad, with very wide-gauge track laid between the high-and low-tide lines, and a long-legged, multi-wheel car to run upon it, through the water if necessary. This lasted only until 1901, however. Volk subsequently became an early enthusiast for aircraft.
    [br]
    Further Reading
    C.Volk, 1971, Magnus Volk of Brighton, Chichester: Phillimore (his life and career as described by his son).
    C.E.Lee, 1979, "The birth of electric traction", Railway Magazine (May).
    PJGR

    Biographical history of technology > Volk, Magnus

  • 19 Hamilton, Harold Lee (Hal)

    [br]
    b. 14 June 1890 Little Shasta, California, USA
    d. 3 May 1969 California, USA
    [br]
    American pioneer of diesel rail traction.
    [br]
    Orphaned as a child, Hamilton went to work for Southern Pacific Railroad in his teens, and then worked for several other companies. In his spare time he learned mathematics and physics from a retired professor. In 1911 he joined the White Motor Company, makers of road motor vehicles in Denver, Colorado, where he had gone to recuperate from malaria. He remained there until 1922, apart from an eighteenth-month break for war service.
    Upon his return from war service, Hamilton found White selling petrol-engined railbuses with mechanical transmission, based on road vehicles, to railways. He noted that they were not robust enough and that the success of petrol railcars with electric transmission, built by General Electric since 1906, was limited as they were complex to drive and maintain. In 1922 Hamilton formed, and became President of, the Electro- Motive Engineering Corporation (later Electro-Motive Corporation) to design and produce petrol-electric rail cars. Needing an engine larger than those used in road vehicles, yet lighter and faster than marine engines, he approached the Win ton Engine Company to develop a suitable engine; in addition, General Electric provided electric transmission with a simplified control system. Using these components, Hamilton arranged for his petrol-electric railcars to be built by the St Louis Car Company, with the first being completed in 1924. It was the beginning of a highly successful series. Fuel costs were lower than for steam trains and initial costs were kept down by using standardized vehicles instead of designing for individual railways. Maintenance costs were minimized because Electro-Motive kept stocks of spare parts and supplied replacement units when necessary. As more powerful, 800 hp (600 kW) railcars were produced, railways tended to use them to haul trailer vehicles, although that practice reduced the fuel saving. By the end of the decade Electro-Motive needed engines more powerful still and therefore had to use cheap fuel. Diesel engines of the period, such as those that Winton had made for some years, were too heavy in relation to their power, and too slow and sluggish for rail use. Their fuel-injection system was erratic and insufficiently robust and Hamilton concluded that a separate injector was needed for each cylinder.
    In 1930 Electro-Motive Corporation and Winton were acquired by General Motors in pursuance of their aim to develop a diesel engine suitable for rail traction, with the use of unit fuel injectors; Hamilton retained his position as President. At this time, industrial depression had combined with road and air competition to undermine railway-passenger business, and Ralph Budd, President of the Chicago, Burlington \& Quincy Railroad, thought that traffic could be recovered by way of high-speed, luxury motor trains; hence the Pioneer Zephyr was built for the Burlington. This comprised a 600 hp (450 kW), lightweight, two-stroke, diesel engine developed by General Motors (model 201 A), with electric transmission, that powered a streamlined train of three articulated coaches. This train demonstrated its powers on 26 May 1934 by running non-stop from Denver to Chicago, a distance of 1,015 miles (1,635 km), in 13 hours and 6 minutes, when the fastest steam schedule was 26 hours. Hamilton and Budd were among those on board the train, and it ushered in an era of high-speed diesel trains in the USA. By then Hamilton, with General Motors backing, was planning to use the lightweight engine to power diesel-electric locomotives. Their layout was derived not from steam locomotives, but from the standard American boxcar. The power plant was mounted within the body and powered the bogies, and driver's cabs were at each end. Two 900 hp (670 kW) engines were mounted in a single car to become an 1,800 hp (l,340 kW) locomotive, which could be operated in multiple by a single driver to form a 3,600 hp (2,680 kW) locomotive. To keep costs down, standard locomotives could be mass-produced rather than needing individual designs for each railway, as with steam locomotives. Two units of this type were completed in 1935 and sent on trial throughout much of the USA. They were able to match steam locomotive performance, with considerable economies: fuel costs alone were halved and there was much less wear on the track. In the same year, Electro-Motive began manufacturing diesel-electrie locomotives at La Grange, Illinois, with design modifications: the driver was placed high up above a projecting nose, which improved visibility and provided protection in the event of collision on unguarded level crossings; six-wheeled bogies were introduced, to reduce axle loading and improve stability. The first production passenger locomotives emerged from La Grange in 1937, and by early 1939 seventy units were in service. Meanwhile, improved engines had been developed and were being made at La Grange, and late in 1939 a prototype, four-unit, 5,400 hp (4,000 kW) diesel-electric locomotive for freight trains was produced and sent out on test from coast to coast; production versions appeared late in 1940. After an interval from 1941 to 1943, when Electro-Motive produced diesel engines for military and naval use, locomotive production resumed in quantity in 1944, and within a few years diesel power replaced steam on most railways in the USA.
    Hal Hamilton remained President of Electro-Motive Corporation until 1942, when it became a division of General Motors, of which he became Vice-President.
    [br]
    Further Reading
    P.M.Reck, 1948, On Time: The History of the Electro-Motive Division of General Motors Corporation, La Grange, Ill.: General Motors (describes Hamilton's career).
    PJGR

    Biographical history of technology > Hamilton, Harold Lee (Hal)

  • 20 Hackworth, Timothy

    [br]
    b. 22 December 1786 Wylam, Northumberland, England
    d. 7 July 1850 Shildon, Co. Durham, England
    [br]
    English engineer, pioneer in construction and operation of steam locomotives.
    [br]
    Hackworth trained under his father, who was Foreman Blacksmith at Wylam colliery, and succeeded him upon his death in 1807. Between 1812 and 1816 he helped to build and maintain the Wylam locomotives under William Hedley. He then moved to Walbottle colliery, but during 1824 he took temporary charge of Robert Stephenson \& Co.'s works while George Stephenson was surveying the Liverpool \& Manchester Railway and Robert Stephenson was away in South America. In May 1825 Hackworth was appointed to the Stockton \& Darlington Railway (S \& DR) "to have superintendence of the permanent (i.e. stationary) and locomotive engines". He established the workshops at Shildon, and when the railway opened in September he became in effect the first locomotive superintendent of a railway company. From experience of operating Robert Stephenson \& Co.'s locomotives he was able to make many detail improvements, notably spring safety valves. In 1827 he designed and built the locomotive Royal George, with six wheels coupled and inverted vertical cylinders driving the rear pair. From the pistons, drive was direct by way of piston rods and connecting rods to crankpins on the wheels, the first instance of the use of this layout on a locomotive. Royal George was the most powerful and satisfactory locomotive on the S \& DR to date and was the forerunner of Hackworth's type of heavy-goods locomotive, which was built until the mid-1840s.
    For the Rainhill Trials in 1829 Hackworth built and entered the locomotive Sans Pareil, which was subsequently used on the Bol ton \& Leigh Railway and is now in the Science Museum, London. A working replica was built for the 150th anniversary of the Liverpool \& Manchester Railway in 1980. In 1833 a further agreement with the S \& DR enabled Hackworth, while remaining in charge of their locomotives, to set up a locomotive and engineering works on his own account. Its products eventually included locomotives for the London, Brighton \& South Coast and York, Newcastle \& Berwick Railways, as well as some of the earliest locomotives exported to Russia and Canada. Hackworth's son, John Wesley Hackworth, was also an engineer and invented the radial valve gear for steam engines that bears his name.
    [br]
    Further Reading
    R.Young, 1975, Timothy Hackworth and the Locomotive, Shildon: Shildon "Stockton \& Darlington Railway" Silver Jubilee Committee; orig. pub. 1923, London (tends to emphasize Hackworth's achievements at the expense of other contemporary engineers).
    L.T.C.Rolt, 1960, George and Robert Stephenson, London: Longmans (describes much of Hackworth's work and is more objective).
    E.L.Ahrons, 1927, The British Steam Railway Locomotive 1825–1925, London: The Locomotive Publishing Co.
    PJGR

    Biographical history of technology > Hackworth, Timothy

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