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lift improvements

  • 1 lift improvements

    Englsh-Russian aviation and space dictionary > lift improvements

  • 2 improvement

    улучшение, усовершенствование

    Englsh-Russian aviation and space dictionary > improvement

  • 3 Williams, Sir Edward Leader

    SUBJECT AREA: Canals, Civil engineering
    [br]
    b. 28 April 1828 Worcester, England
    d. 1 June 1910 Altrincham, Cheshire, England
    [br]
    English civil engineer, designer and first Chief Engineer of the Manchester Ship Canal.
    [br]
    After an apprenticeship with the Severn Navigation, of which his father was Chief Engineer, Williams was engaged as Assistant Engineer on the Great Northern Railway, Resident Engineer at Shoreham Harbour and Engineer to the contractors for the Admiralty Pier at Dover. In 1856 he was appointed Engineer to the River Weaver Trust, and among the improvements he made was the introduction of the Anderton barge lift linking the Weaver and the Trent and Mersey Canal. After rejecting the proposal of a flight of locks he considered that barges might be lifted and lowered by hydraulic means. Various designs were submitted and the final choice fell on one by Edwin Clark that had two troughs counterbalancing each other through pistons. Movement of the troughs was initiated by introducing excess water into the upper trough to lift the lower. The work was carried out by Clark.
    In 1872 Williams became Engineer to the Bridgewater Navigation, enlarging the locks at Runcorn and introducing steam propulsion on the canal. He later examined the possibility of upgrading the Mersey \& Irwell Navigation to a Ship Canal. In 1882 his proposals to the Provisional Committee of the proposed Manchester Ship Canal were accepted. His scheme was to use the Mersey Channel as far as Eastham and then construct a lock canal from there to Manchester. He was appointed Chief Engineer of the undertaking.
    The canal's construction was a major engineering work during which Williams overcame many difficulties. He used the principle of the troughs on the Anderton lift as a guide for the construction of the Barton swing aqueduct, which replaced Brindley's original masonry aqueduct on the Bridgewater Canal. The first sod was cut at Eastham on 11 November 1887 and the lower portion of the canal was used for traffic in September 1891. The canal was opened to sea-borne traffic on 1 January 1894 and was formally opened by Queen Victoria on 21 May 1894. In acknowledgement of his work, a knighthood was conferred on him. He continued as Consulting Engineer until ill health forced his retirement.
    [br]
    Principal Honours and Distinctions
    Knighted. Vice-President, Institution of Civil Engineers 1905–7.
    JHB

    Biographical history of technology > Williams, Sir Edward Leader

  • 4 call

    A n
    1 Telecom appel m (téléphonique) (from de) ; business call appel professionnel ; private ou personal call appel privé ; (tele)phone call appel m (téléphonique) ; I have a call for you j'ai un appel pour vous ; to make a call appeler, téléphoner ; to make a call to Italy appeler l'Italie, téléphoner en Italie ; to receive/take a call recevoir/prendre un appel ; to give sb a call appeler qn ; to return sb's call rappeler qn ; to put a call through to sb passer un appel à qn ;
    2 ( audible cry) ( human) appel m (for à) ; ( animal) cri m ; to give sb a call appeler qn ;
    3 ( summons) appel m, this is the last call for passengers to Berlin Aviat ceci est le dernier appel pour les passagers à destination de Berlin ; this is your ten minute call Theat en scène dans dix minutes ; to put out a call for sb ( over public address) faire appeler qn ; ( over radio) lancer un appel à qn ; the Red Cross has put out a call for blankets la Croix Rouge a lancé un appel pour obtenir des couvertures ;
    4 ( visit) visite f ; social call visite f de courtoisie ; to make ou pay a call lit rendre visite (on à) ; to pay a call euph aller aux toilettes ; to return sb's call rendre sa visite à qn ;
    5 ( demand) demande f ; the strikers' call for a pay rise la demande d'augmentation de salaire de la part des grévistes ; there were calls for his resignation sa démission a été réclamée ; a call for reform une demande de réforme ; she has many calls on her time elle est très sollicitée ; there's no call for it Comm il n'y a pas de demande (pour cet article) ; we don't get much call for that nous n'avons guère de demande pour cela ; to have first call on sth avoir la priorité sur qch ;
    6 ( need) there's no call for sth/to do il n'y a pas de raison pour qch/de faire ; there was no call for her to say that elle n'avait aucune raison or aucun besoin de dire cela ;
    7 ( allure) (of mountains, sea, the unknown) appel m (of de) ;
    8 Sport décision f ;
    9 Fin ( for repayment of loan) demande f de remboursement ; ( request) appel m ; ( right to buy) option f d'achat ; money at ou on call argent à court terme or au jour le jour ; on three months' call à trois mois ; payable at call remboursable sur présentation or à vue ; a call for capital/tenders un appel de fonds/d'offres ;
    10 ( duty) to be on call [doctor] être de garde ; [engineer] être de service ;
    11 Relig ( vocation) vocation f.
    B vtr
    1 ( say loudly) ( also call out) appeler [name, number] ; crier [answer, instructions] ; annoncer [result] ; Games parier [heads, tails] ; annoncer [flight] ; to call the register Sch faire l'appel ; he called (out) ‘Goodbye’ il a crié ‘au revoir’ ;
    2 ( summon) appeler [lift] ; ( by shouting) appeler [person, animal, witness] ; ( by phone) appeler [person, police, taxi] ; ( by letter) convoquer [applicant, candidate] ; he was called before the committee il a été convoqué devant la commission ; the boss called me into his office le chef m'a fait venir dans son bureau ; the police were called to the scene la police a été appelée sur les lieux ; I've called you a taxi je vous ai appelé un taxi ; come when you're called venez quand on vous appelle ; call the next witness appelez le témoin suivant ; you may be called to give evidence il se peut que vous soyez convoqué pour témoigner ;
    3 ( telephone) ( also call up) appeler [person, institution, number] (at à ; from de) ; don't call us, we'll call you hum (n'appelez pas) nous vous appellerons ;
    4 ( give a name) appeler [person, baby, animal, place, product] (by par) ; intituler [book, film, music, play] ; she prefers to be called by her maiden name elle préfère qu'on l'appelle par son nom de jeune fille ;
    5 ( arrange) organiser [strike] ; convoquer [conference, meeting, rehearsal] ; fixer [election] ;
    6 ( waken) réveiller [person] ; what time shall I call you in the morning? à quelle heure voulez-vous que je vous réveille? ;
    7 ( describe as) to call sb stupid/a liar traiter qn d'imbécile/de menteur/-euse ; I wouldn't call it spacious/beautiful je ne dirais pas que c'est vaste/beau ; do you call that plate clean? tu appelles ça une assiette propre? ; it's not what you'd call an exciting film on ne peut pas dire que ce film soit passionnant ; it's what you might call a delicate situation c'est ce qui s'appelle une situation délicate ; call that a garden ○ ! tu appelles ça un jardin! ; call it what you will appelle ça comme tu veux ; parapsychology or whatever they ou you call it ○ la métapsychologie ou quelque chose dans ce goût-là ○ ; (let's) call it £5 disons cinq livres sterling ; he hasn't a place to call his own il n'a pas de chez-lui ;
    8 Sport [referee, linesman] déclarer ; the linesman called the ball in le juge de ligne a déclaré que la balle était bonne ;
    9 Fin demander le remboursement de [loan] ;
    10 Comput appeler [file, program].
    C vi
    1 ( cry out) ( also call out) [person, animal] appeler ; ( louder) crier ; [bird] crier ; London calling Radio ici Londres ;
    2 ( telephone) appeler ; where are you calling from? d'où appelez-vous? ; I'm calling about your advertisement j'appelle au sujet de votre annonce ; thank you for calling merci d'avoir appelé ; please call back in an hour rappelez dans une heure s'il vous plaît, veuillez rappeler dans une heure fml ; to call home appeler chez soi or à la maison ; who's calling? qui est à l'appareil? ;
    3 ( visit) passer ; to call at [person] passer chez [person, shop] ; [person] passer à [bank, library, town] ; [train] s'arrêter à [town, station] ; [boat] faire escale à [port] ; the London train calling at Reading and Slough le train à destination de Londres desservant les gares de Reading et Slough ;
    4 (tossing coins, racquet) parier ; you call, heads or tails? à toi de parier, pile ou face?
    D v refl to call oneself se faire appeler [Smith, Bob] ; ( claim to be) se dire, se prétendre [poet, designer] ; he calls himself a writer but… il se dit or se prétend écrivain mais… ; call yourself a sailor ○ ? et tu te prétends marin? ; I am proud to call myself European je suis fier d'être européen.
    it was a close call c'était de justesse.
    ■ call away:
    ▶ call [sb] away appeler ; to be called away être obligé de s'absenter.
    ■ call back:
    1 ( on phone) rappeler ;
    2 ( return) repasser ;
    ▶ call [sb] back
    1 (summon by shouting, phone back) rappeler [person] ;
    2 ( recall) rappeler [representative, diplomat].
    ■ call by passer.
    ■ call down:
    ▶ call down ( shout from above) appeler ;
    ▶ call down [sth], call [sth] down appeler [blessing, curse, vengeance] (on sur).
    ■ call for:
    ▶ call for [sth]
    1 ( shout) appeler à [help] ; appeler [ambulance, doctor] ;
    2 ( demand) [person] demander [food, drink, equipment, tool] ; [report, article, politician, protesters] réclamer [changes, improvements] ; they are calling for talks to be extended ils réclament la prolongation des négociations ;
    3 ( require) [situation, problem, conditions] exiger [treatment, skill, action, understanding] ; nécessiter [change, intervention, improvements] ; this calls for a celebration! ça se fête! ; that was not called for c'était déplacé ;
    4 ( collect) passer prendre [person] ; passer chercher [object].
    ▶ call forth [sth], call [sth] forth susciter.
    ■ call in:
    ▶ call in
    1 ( visit) passer ;
    2 ( telephone) appeler ; to call in sick [employee] appeler pour dire qu'on est malade ;
    ▶ call in [sb], call [sb] in
    1 lit ( summon inside) faire rentrer [person, animal] ; faire entrer [candidate, client, patient] ;
    2 ( send for) faire appel à [expert, police, engineer] ;
    ▶ call in [sth], call [sth] in
    1 ( recall) demander le retour de [library book, ticket, surplus, supplies] ; retirer [qch] de la circulation [currency] ; retirer [qch] du commerce [product] ;
    2 Fin demander le remboursement de [loan].
    ■ call off:
    ▶ call off [sth], call [sth] off
    1 lit rappeler [dog, attacker] ;
    2 fig ( halt) interrompre [arrangement, deal, plan, search, investigation, strike] ; ( cancel) annuler [show, meeting, wedding] ; to call off one's engagement rompre ses fiançailles ; to call off a strike annuler un ordre de grève ; let's call the whole thing off laissons tomber.
    ■ call on:
    ▶ call on [sb/sth]
    1 ( visit) ( also call in on) rendre visite à [relative, friend] ; visiter [patient, client] ;
    2 ( invite) demander à [speaker, lecturer] (to do de faire) ;
    3 ( urge) demander à (to do de faire) ; ( stronger) enjoindre fml (to do de faire) ; he called on his colleagues to oppose it il a demandé à ses collègues de s'y opposer ;
    4 (appeal to, resort to) s'adresser à [person] ; avoir recours à [services] ; faire appel à [moral quality] ; neighbours she can call on des voisins à qui elle peut s'adresser ; we will call on your services nous aurons recours à vos services ; you will have to call on all your patience and courage il faudra faire appel à toute ta patience et tout ton courage.
    ■ call out:
    ▶ call out ( cry aloud) appeler ; ( louder) crier ;
    ▶ call out [sb], call [sb] out
    1 ( summon outside) appeler ; the teacher called me out to the front of the class le professeur m'a fait venir devant le reste de la classe ;
    2 ( send for) appeler [expert, doctor, emergency service, repairman, troops] ;
    3 Ind [union] lancer un ordre de grève à [members] ; to call sb out on strike lancer un ordre de grève à qn ;
    ▶ call [sth] out, call out [sth] appeler [name, number].
    ■ call over:
    ▶ call over to [sb] appeler ;
    ▶ call [sb] over appeler.
    ■ call round ( visit) venir.
    ■ call up:
    ▶ call up appeler ;
    ▶ call up [sb/sth], call [sb/sth] up
    1 ( on phone) appeler ;
    2 ( summon) appeler [reserves, reinforcements] ; appeler [qn] sous les drapeaux [soldier] ; invoquer [ghost, spirit] ;
    3 ( evoke) rappeler [memory, past event, scene] ;
    4 Comput appeler (à l'écran), afficher [data, file, menu] ;
    5 Sport sélectionner [player].

    Big English-French dictionary > call

  • 5 Maxim, Sir Hiram Stevens

    [br]
    b. 5 February 1840 Brockway's Mills, Maine, USA
    d. 24 November 1916 Streatham, London, England
    [br]
    American (naturalized British) inventor; designer of the first fully automatic machine gun and of an experimental steam-powered aircraft.
    [br]
    Maxim was born the son of a pioneer farmer who later became a wood turner. Young Maxim was first apprenticed to a carriage maker and then embarked on a succession of jobs before joining his uncle in his engineering firm in Massachusetts in 1864. As a young man he gained a reputation as a boxer, but it was his uncle who first identified and encouraged Hiram's latent talent for invention.
    It was not, however, until 1878, when Maxim joined the first electric-light company to be established in the USA, as its Chief Engineer, that he began to make a name for himself. He developed an improved light filament and his electric pressure regulator not only won a prize at the first International Electrical Exhibition, held in Paris in 1881, but also resulted in his being made a Chevalier de la Légion d'honneur. While in Europe he was advised that weapons development was a more lucrative field than electricity; consequently, he moved to England and established a small laboratory at Hatton Garden, London. He began by investigating improvements to the Gatling gun in order to produce a weapon with a faster rate of fire and which was more accurate. In 1883, by adapting a Winchester carbine, he successfully produced a semi-automatic weapon, which used the recoil to cock the gun automatically after firing. The following year he took this concept a stage further and produced a fully automatic belt-fed weapon. The recoil drove barrel and breechblock to the vent. The barrel then halted, while the breechblock, now unlocked from the former, continued rearwards, extracting the spent case and recocking the firing mechanism. The return spring, which it had been compressing, then drove the breechblock forward again, chambering the next round, which had been fed from the belt, as it did so. Keeping the trigger pressed enabled the gun to continue firing until the belt was expended. The Maxim gun, as it became known, was adopted by almost every army within the decade, and was to remain in service for nearly fifty years. Maxim himself joined forces with the large British armaments firm of Vickers, and the Vickers machine gun, which served the British Army during two world wars, was merely a refined version of the Maxim gun.
    Maxim's interests continued to occupy several fields of technology, including flight. In 1891 he took out a patent for a steam-powered aeroplane fitted with a pendulous gyroscopic stabilizer which would maintain the pitch of the aeroplane at any desired inclination (basically, a simple autopilot). Maxim decided to test the relationship between power, thrust and lift before moving on to stability and control. He designed a lightweight steam-engine which developed 180 hp (135 kW) and drove a propeller measuring 17 ft 10 in. (5.44 m) in diameter. He fitted two of these engines into his huge flying machine testrig, which needed a wing span of 104 ft (31.7 m) to generate enough lift to overcome a total weight of 4 tons. The machine was not designed for free flight, but ran on one set of rails with a second set to prevent it rising more than about 2 ft (61 cm). At Baldwyn's Park in Kent on 31 July 1894 the huge machine, carrying Maxim and his crew, reached a speed of 42 mph (67.6 km/h) and lifted off its rails. Unfortunately, one of the restraining axles broke and the machine was extensively damaged. Although it was subsequently repaired and further trials carried out, these experiments were very expensive. Maxim eventually abandoned the flying machine and did not develop his idea for a stabilizer, turning instead to other projects. At the age of almost 70 he returned to the problems of flight and designed a biplane with a petrol engine: it was built in 1910 but never left the ground.
    In all, Maxim registered 122 US and 149 British patents on objects ranging from mousetraps to automatic spindles. Included among them was a 1901 patent for a foot-operated suction cleaner. In 1900 he became a British subject and he was knighted the following year. He remained a larger-than-life figure, both physically and in character, until the end of his life.
    [br]
    Principal Honours and Distinctions
    Chevalier de la Légion d'Honneur 1881. Knighted 1901.
    Bibliography
    1908, Natural and Artificial Flight, London. 1915, My Life, London: Methuen (autobiography).
    Further Reading
    Obituary, 1916, Engineer (1 December).
    Obituary, 1916, Engineering (1 December).
    P.F.Mottelay, 1920, The Life and Work of Sir Hiram Maxim, London and New York: John Lane.
    Dictionary of National Biography, 1912–1921, 1927, Oxford: Oxford University Press.
    CM / JDS

    Biographical history of technology > Maxim, Sir Hiram Stevens

  • 6 Cierva, Juan de la

    SUBJECT AREA: Aerospace
    [br]
    b. 21 September 1895 Murcia, Spain
    d. 9 December 1936 Croydon, England
    [br]
    Spanish engineer who played a major part in developing the autogiro in the 1920s and 1930s.
    [br]
    At the age of 17, Cierva and some of his friends built a successful two-seater biplane, the BCD-1 (C for Cierva). By 1919 he had designed a large three-engined biplane bomber, the C 3, which unfortunately crashed when its wing stalled (list its lift) during a slow-speed turn. Cierva turned all his energies to designing a flying machine which could not stall: his answer was the autogiro. Although an autogiro looks like a helicopter, its rotor blades are not driven by an engine, but free-wheel like a windmill. Forward speed is provided by a conventional engine and propeller, and even if this engine fails, the autogiro's rotors continue to free-wheel and it descends safely. Cierva patented his autogiro design in 1920, but it took him three years to put theory into practice. By 1925, after further improvements, he had produced a practical rotary-winged flying machine.
    He moved to England and in 1926 established the Cierva Autogiro Company Ltd. The Air Ministry showed great interest and a year later the British company Avro was commissioned to manufacture the C 6A Autogiro under licence. Probably the most significant of Cierva's autogiros was the C 30A, or Avro Rota, which served in the Royal Air Force from 1935 until 1945. Several other manufacturers in France, Germany, Japan and the USA built Cierva autogiros under licence, but only in small numbers and they never really rivalled fixed-wing aircraft. The death of Cierva in an airliner crash in 1936, together with the emergence of successful helicopters, all but extinguished interest in the autogiro.
    [br]
    Principal Honours and Distinctions
    Daniel Guggenheim Medal. Royal Aeronautical Society Silver Medal, Gold Medal (posthumously) 1937.
    Bibliography
    1931, Wings of To-morrow: The Story of the Autogiro, New York (an early account of his work).
    He read a paper on his latest achievements at the Royal Aeronautical Society on 15 March 1935.
    Further Reading
    P.W.Brooks, 1988, Cierva Autogiros: The Development of Rotary Wing Flight, Washington, DC (contains a full account of Cierva's work).
    Jose Warleta. 1977, Autogiro: Juan de la Cierva y su obra, Madrid (a detailed account of his work in Spain).
    Oliver Stewart, 1966, Aviation: The Creative Ideas, London (contains a chapter on Cierva).
    JDS

    Biographical history of technology > Cierva, Juan de la

  • 7 Raky, Anton

    [br]
    b. 5 January 1868 Seelenberg, Taunus, Germany
    d. 22 August 1943 Berlin, Germany
    [br]
    German inventor of rapid percussion drilling, entrepreneur in the exploration business.
    [br]
    While apprenticed at the drilling company of E. Przibilla, Raky already called attention by his reflections towards developing drilling methods and improving tools. Working as a drilling engineer in Alsace, he was extraordinarily successful in applying an entire new hydraulic boring system in which the rod was directly connected to the chisel. This apparatus, driven by steam, allowed extremely rapid percussions with very low lift.
    With some improvements, his boring rig drilled deep holes at high speed and at least doubled the efficiency of the methods hitherto used. His machine, which was also more reliable, was secured by a patent in 1895. With borrowed capital, he founded the Internationale Bohrgesellschaft in Strasbourg in the same year, and he began a career in the international exploration business that was unequalled as well as breathtaking. Until 1907 the total depth of the drillings carried out by the company was 1,000 km.
    Raky's rapid drilling was unrivalled and predominant until improved rotary drilling took over. His commercial sense in exploiting the technical advantages of his invention by combining drilling with producing the devices in his own factory at Erkelenz, which later became the headquarters of the company, and in speculating on the concessions for the explored deposits made him by far superior to all of his competitors, who were provoked into contests which they generally lost. His flourishing company carried out drilling in many parts of the world; he became the initiator of the Romanian oil industry and his extraordinary activities in exploring potash and coal deposits in different parts of Germany, especially in the Ruhr district, provoked the government in 1905 into stopping granting claims to private companies. Two years later, he was forced to withdraw from his holding company because of his restless and eccentric character. He turned to Russia and, during the First World War, he was responsible for the reconstruction of the destroyed Romanian oilfields. Thereafter, partly financed by mining companies, he continued explorations in several European countries, and in Germany he was pioneering again with exploring oilfields, iron ore and lignite deposits which later grew in economic value. Similar to Glenck a generation before, he was a daring entrepreneur who took many risks and opened new avenues of exploration, and he was constantly having to cope with a weak financial position, selling concessions and shares, most of them to Preussag and Wintershall; however, this could not prevent his business from collapse in 1932. He finally gave up drilling in 1936 and died a poor man.
    [br]
    Principal Honours and Distinctions
    Dr-Ing. (Hon.) Bergakademie Clausthal 1921.
    Further Reading
    G.P.R.Martin, 1967, "Hundert Jahre Anton Raky", Erdöl-Erdgas-Zeitschrift, 83:416–24 (a detailed description).
    D.Hoffmann, 1959, 150 Jahre Tiefbohrungen in Deutschland, Vienna and Hamburg: 32– 4 (an evaluation of his technologial developments).
    WK

    Biographical history of technology > Raky, Anton

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