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1 система управления локомотива
Русско-английский политехнический словарь > система управления локомотива
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2 отказ системы электронного управления локомотива
Engineering: electronic locomotive control system faultУниверсальный русско-английский словарь > отказ системы электронного управления локомотива
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3 руководство по обслуживанию системы ii электронного управления тепловоза
Универсальный русско-английский словарь > руководство по обслуживанию системы ii электронного управления тепловоза
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4 система управления локомотива
Engineering: locomotive control systemУниверсальный русско-английский словарь > система управления локомотива
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5 электронная система управления тепловоза
Engineering: electronic locomotive control systemУниверсальный русско-английский словарь > электронная система управления тепловоза
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6 Loksteuerung
Loksteuerung f locomotive control systemDeutsch-Englisch Wörterbuch der Elektrotechnik und Elektronik > Loksteuerung
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7 Hamilton, Harold Lee (Hal)
[br]b. 14 June 1890 Little Shasta, California, USAd. 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 ReadingP.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).PJGRBiographical history of technology > Hamilton, Harold Lee (Hal)
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8 система передачи данных для управления маневровыми локомотивами
система передачи данных для управления маневровыми локомотивами
Система железнодорожной радиосвязи, предназначенная для передачи управляющих сигналов между устройствами маневровой автоматической локомотивной сигнализации и маневровыми локомотивами в пределах железнодорожной станции.
Примечание
В качестве технических средств для системы передачи данных для управления маневровыми локомотивами могут быть использованы средства радиосвязи стандартов Wi-Fi, Wi-Max, TETRA, DECT или специализированные радиомодемы диапазона 160 МГц.
[ ГОСТ Р 53953-2010]Тематики
EN
Русско-английский словарь нормативно-технической терминологии > система передачи данных для управления маневровыми локомотивами
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9 máquina
f.1 machine, engine, piece of machinery.2 railway engine.3 car.* * *1 (gen) machine2 (de un tren) engine3 figurado machinery4 (expendedora) vending machine\a toda máquina at full blastcoser a máquina to use a sewing machine, sew on a sewing machineescribir a máquina to type, typewritemáquina de afeitar shaver, electric razormáquina de coser sewing machinemáquina de escribir typewritermáquina de fotos / máquina fotográfica cameramáquina de lavar washing machinemáquina de tabaco cigarette machinemáquina de tricotar knitting machinemáquina de vapor steam enginemáquina tragaperras slot machine* * *noun f.1) machine2) engine* * *SF1) (=aparato) [gen] machine•
escribir a máquina — to type•
escrito a máquina — typed, typewritten•
hecho a máquina — machine-made•
pasar algo a máquina — to type sth (up)máquina copiadora — copier, copying machine
máquina cosechadora — combine harvester, combine
máquina de afeitar — razor, safety razor
máquina de afeitar eléctrica — electric razor, shaver
máquina de bolas — * pinball machine
máquina de tabaco — * cigarette machine
máquina de tejer, máquina de tricotar — knitting machine
máquina excavadora — mechanical digger, steam shovel (EEUU)
máquina quitanieves — snowplough, snowplow (EEUU)
máquina registradora — LAm cash register
máquina tragaperras — fruit machine, one-armed bandit; (Com) vending machine
2) (Transportes) [de tren] engine, locomotive; (=moto) * motorbike; CAm, Cuba (=coche) car; (=taxi) taxi3) (Fot) camera4) (Pol) machine5) (=maquinaria) machinery, workings pl ; (=plan) scheme of things* * *1)a) ( aparato) machine¿se puede lavar a máquina? — can it be machine-washed?
¿me pasas esto a máquina? — would you type this (up) for me?
b) (Jueg) fruit machine; (Fot) camerac) ( de café) coffee machine2)a) (Náut) enginea toda máquina — at top speed, flat out (colloq)
b) (Ferr) engine, locomotivec) (Ven fam) ( auto) car3) ( organización) machine* * *= machine.Ex. Synonyms, related terms and other variants must now be collected, either by human selection, or with the aid of the machine.----* acabado a máquina = machine-finished.* aprendizaje de la máquina = machine learning (ML).* a toda máquina = in the fast lane, fast lane, full steam ahead, at full tilt, full-tilt, full-throttle, at full throttle, at top speed, at full blast, at full speed.* avanzar a toda máquina = steam ahead, go + full steam ahead.* borrador escrito a máquina = typewritten draft.* Catalogación Legible por Máquina (MARC) = MARC (Machine Readable Cataloguing).* datos legibles por máquina = machine-readable data.* de escritura a máquina = typing.* de la máquina y el hombre = human-machine.* documento legible por máquina = machine readable document.* encargado de la máquina de imprimir = machine-minder.* en la dirección de la máquina = machine-direction.* entre la máquina y el hombre = human-machine.* escribir a máquina = type.* escrito a máquina = typewritten.* escritura a máquina = typewriting.* formato legible por máquina = machine-readable form, machine readable format, machine scannable format.* hecho a máquina = machine-made.* joven ayudante del encargado de la máquina de imprimir = machine boy.* legible por máquina = machine-readable.* máquina continua de papel = paper-making machine.* máquina de afeitar = shaver, electrical razor, electric shaver.* máquina de alzar = gathering machine.* máquina de andar o correr estática = treadmill.* máquina de cepillar = planing machine.* máquina de componer en caliente = hot-metal composing machine, hot-metal machine.* maquina de componer en frío = cold-metal machine, cold-metal composing machine.* máquina de cortar en rebanadas = slicer.* máquina de coser = sewing machine.* máquina de coser libros = book-sewing machine.* máquina de cotejar = collating machine.* máquina de discos = jukebox.* máquina de encartonar = casing-in machine.* máquina de escribir = typewriter.* máquina de escribir de margarita = daisy-wheel typewriter.* máquina de escribir de pelota de golf = golf-ball typewriter.* máquina de escribir eléctrica = electric typewriter, electronic typewriter.* máquina de escribir libros = book-writing machine.* máquina de estampar en relieve = embossing machine.* máquina de estampar tela en relieve = cloth-embossing machine.* máquina de fábrica = manufacturing equipment.* máquina de fabricación = manufacturing equipment.* máquina de fabricar tapas = casemaking machine.* máquina de fax = fax machine.* máquina de franquear = franking machine.* maquina de grapar libros = book-stapling machine.* máquina de imprenta = printing machine.* maquina de imprimir con mecanismo de reiteración = perfector.* máquina de imprimir direcciones = addressograph, addressing machine.* máquina de matar = killing machine.* máquina de papel continuo = newsprint machine.* máquina de perforar papeles = desk punch.* máquina de presión plana = platen jobber, platen, platen machine, flat-platen machine.* máquina de recortar con cuchilla recta = straight-knife trimming machine.* máquina de registro de préstamos por medio de la fotografía = photocharger, photocharging machine.* máquina de reiteración = perfecting machine.* máquina de sumar = adding machine.* máquina de tambor = tumbler machine.* máquina de tejer = knitting machine.* máquina de torno = nipping machine.* máquina de vapor = steam engine.* máquina excavadora = excavator.* máquina expendedora = vending machine.* máquina expendedora de sellos = stamp dispenser.* maquina expendora = dispensing machine.* máquina Fourdrinier = Fourdrinier machine.* máquina Fourdrinier de papel continuo = newsprint Fourdrinier.* máquina fundidora de tipos = typecasting machine.* máquina gofradora = cloth-embossing machine, embossing machine.* máquina industrial = manufacturing equipment.* máquina para leer = reading machine.* máquina pensante = reasoning engine.* máquina planográfica = platen machine.* máquina que funciona con monedas = coin-operated machine.* máquina que mantiene las constantes vitales = life-support system.* máquina redonda = mould machine.* máquina rotativa = cylinder machine.* máquinas plegadoras = folding machinery.* máquina tragaperras = slot machine, fruit machine, one-arm(ed) bandit.* montador de máquinas = machine setter.* papel a mano-máquina = mouldmade paper.* papel hecho a máquina = machine-made paper.* papel verjurado hecho a máquina = machine-made laid paper.* posible de ser consultado por máquina = machine-viewable.* sala de máquinas = machine room.* seleccionado por máquina = machine-selected.* taller de máquinas = machine shop.* terminado a máquina = machine-finished.* texto escrito a máquina = typescript.* texto legible por máquina = machine readable text.* * *1)a) ( aparato) machine¿se puede lavar a máquina? — can it be machine-washed?
¿me pasas esto a máquina? — would you type this (up) for me?
b) (Jueg) fruit machine; (Fot) camerac) ( de café) coffee machine2)a) (Náut) enginea toda máquina — at top speed, flat out (colloq)
b) (Ferr) engine, locomotivec) (Ven fam) ( auto) car3) ( organización) machine* * *= machine.Ex: Synonyms, related terms and other variants must now be collected, either by human selection, or with the aid of the machine.
* acabado a máquina = machine-finished.* aprendizaje de la máquina = machine learning (ML).* a toda máquina = in the fast lane, fast lane, full steam ahead, at full tilt, full-tilt, full-throttle, at full throttle, at top speed, at full blast, at full speed.* avanzar a toda máquina = steam ahead, go + full steam ahead.* borrador escrito a máquina = typewritten draft.* Catalogación Legible por Máquina (MARC) = MARC (Machine Readable Cataloguing).* datos legibles por máquina = machine-readable data.* de escritura a máquina = typing.* de la máquina y el hombre = human-machine.* documento legible por máquina = machine readable document.* encargado de la máquina de imprimir = machine-minder.* en la dirección de la máquina = machine-direction.* entre la máquina y el hombre = human-machine.* escribir a máquina = type.* escrito a máquina = typewritten.* escritura a máquina = typewriting.* formato legible por máquina = machine-readable form, machine readable format, machine scannable format.* hecho a máquina = machine-made.* joven ayudante del encargado de la máquina de imprimir = machine boy.* legible por máquina = machine-readable.* máquina continua de papel = paper-making machine.* máquina de afeitar = shaver, electrical razor, electric shaver.* máquina de alzar = gathering machine.* máquina de andar o correr estática = treadmill.* máquina de cepillar = planing machine.* máquina de componer en caliente = hot-metal composing machine, hot-metal machine.* maquina de componer en frío = cold-metal machine, cold-metal composing machine.* máquina de cortar en rebanadas = slicer.* máquina de coser = sewing machine.* máquina de coser libros = book-sewing machine.* máquina de cotejar = collating machine.* máquina de discos = jukebox.* máquina de encartonar = casing-in machine.* máquina de escribir = typewriter.* máquina de escribir de margarita = daisy-wheel typewriter.* máquina de escribir de pelota de golf = golf-ball typewriter.* máquina de escribir eléctrica = electric typewriter, electronic typewriter.* máquina de escribir libros = book-writing machine.* máquina de estampar en relieve = embossing machine.* máquina de estampar tela en relieve = cloth-embossing machine.* máquina de fábrica = manufacturing equipment.* máquina de fabricación = manufacturing equipment.* máquina de fabricar tapas = casemaking machine.* máquina de fax = fax machine.* máquina de franquear = franking machine.* maquina de grapar libros = book-stapling machine.* máquina de imprenta = printing machine.* maquina de imprimir con mecanismo de reiteración = perfector.* máquina de imprimir direcciones = addressograph, addressing machine.* máquina de matar = killing machine.* máquina de papel continuo = newsprint machine.* máquina de perforar papeles = desk punch.* máquina de presión plana = platen jobber, platen, platen machine, flat-platen machine.* máquina de recortar con cuchilla recta = straight-knife trimming machine.* máquina de registro de préstamos por medio de la fotografía = photocharger, photocharging machine.* máquina de reiteración = perfecting machine.* máquina de sumar = adding machine.* máquina de tambor = tumbler machine.* máquina de tejer = knitting machine.* máquina de torno = nipping machine.* máquina de vapor = steam engine.* máquina excavadora = excavator.* máquina expendedora = vending machine.* máquina expendedora de sellos = stamp dispenser.* maquina expendora = dispensing machine.* máquina Fourdrinier = Fourdrinier machine.* máquina Fourdrinier de papel continuo = newsprint Fourdrinier.* máquina fundidora de tipos = typecasting machine.* máquina gofradora = cloth-embossing machine, embossing machine.* máquina industrial = manufacturing equipment.* máquina para leer = reading machine.* máquina pensante = reasoning engine.* máquina planográfica = platen machine.* máquina que funciona con monedas = coin-operated machine.* máquina que mantiene las constantes vitales = life-support system.* máquina redonda = mould machine.* máquina rotativa = cylinder machine.* máquinas plegadoras = folding machinery.* máquina tragaperras = slot machine, fruit machine, one-arm(ed) bandit.* montador de máquinas = machine setter.* papel a mano-máquina = mouldmade paper.* papel hecho a máquina = machine-made paper.* papel verjurado hecho a máquina = machine-made laid paper.* posible de ser consultado por máquina = machine-viewable.* sala de máquinas = machine room.* seleccionado por máquina = machine-selected.* taller de máquinas = machine shop.* terminado a máquina = machine-finished.* texto escrito a máquina = typescript.* texto legible por máquina = machine readable text.* * *A1 (aparato) machineuna máquina para hacer pasta a pasta-making machinemáquina expendedora de bebidas drinks machine¿sabes coser a máquina? do you know how to use a sewing machine?esto hay que coserlo a máquina this will have to be sewn on the machine¿se puede lavar a máquina? can it be machine-washed?no sé escribir a máquina I can't type¿me pasas esto a máquina? would you type this (up) for me?2 ( Jueg) fruit machine3 (cámara) camera4 (de café) coffee machineCompuestos:calculatorsewing machinejukeboxtypewriterone-armed bandit, fruit machineknitting machinewashing machinesnow machineweight machine● máquina de tricotar or tejerknitting machinewind machineclimbing machinevending machine( Esp) ticket machine( AmL) ticket machineslot machine, fruit machine( Col) slot machine, fruit machine( Esp) slot machine, fruit machineB1 ( Náut) enginea toda máquina at top speed, flat out ( colloq)2 ( Ferr) engine, locomotiveC (organización) machinela máquina del partido the party machine* * *
Del verbo maquinar: ( conjugate maquinar)
maquina es:
3ª persona singular (él/ella/usted) presente indicativo2ª persona singular (tú) imperativo
Multiple Entries:
maquinar
máquina
maquinar ( conjugate maquinar) verbo transitivo
to plot, scheme
máquina sustantivo femenino
1
◊ ¿se puede lavar a máquina? can it be machine-washed?;
escribir a máquina to type;
máquina de afeitar safety razor;
( eléctrica) electric razor, shaver;◊ máquina de coser/lavar sewing/washing machine;
máquina de escribir typewriter;
máquina expendedora vending machine;
máquina tragamonedas or (Esp) tragaperras slot machine, fruit machineb) (Jueg) fruit machine;
(Fot) camera
2a) (Ferr, Náut) engine
maquinar verbo transitivo to scheme, plot
máquina sustantivo femenino
1 machine: los botones están cosidos a máquina, the buttons are sewn on by machine
máquina de coser/tabaco, sewing/cigarette machine
máquina de escribir, typewriter
máquina tragaperras, fruit machine
2 fam (coche) car
♦ Locuciones: a toda máquina, at full speed
' máquina' also found in these entries:
Spanish:
A
- agarrotarse
- carro
- cinta
- copiar
- de
- deterioro
- eje
- escribir
- estropear
- estropearse
- expendedor
- expendedora
- fastidiarse
- foto
- frenar
- imprenta
- ingenio
- joderse
- lubricación
- lubrificación
- mano
- margarita
- montaje
- operador
- operadora
- oprimir
- parada
- parado
- probar
- quitanieves
- rebanar
- recambio
- rendimiento
- reparar
- sacar
- segadora
- tabulador
- teclado
- teclear
- zumbar
- activar
- agarrotar
- alimentación
- alimentar
- aparato
- arreglo
- averiado
- batidor
- caja
English:
act up
- action
- adjust
- adjustment
- antiquated
- assemble
- behave
- behavior
- behaviour
- blade
- break
- break down
- broken
- bulldozer
- camera
- control
- custom
- daisywheel
- dead
- dependable
- disable
- dispenser
- efficiency
- efficient
- electronic
- frame
- fruit machine
- go off
- go on
- handle
- harvester
- high-powered
- hum
- idle
- idleness
- jukebox
- loud
- machine
- machine code
- machine-washable
- maintain
- one-armed bandit
- operate
- operation
- operator
- order
- output
- pack up
- performance
- play up
* * *máquina nf1. [aparato] machine;coser a máquina to machine-sew;escribir a máquina to type;escrito a máquina typewritten;hecho a máquina machine-made;lavar a máquina to machine-wash;pasar algo a máquina to type sth out o up;Famser una máquina [muy rápido, muy bueno] to be a powerhousemáquina de afeitar electric razor;máquina de bebidas drinks machine, US drink vending machine;máquina de café (espresso) coffee machine;máquina de cambios change machine;máquina de coser sewing-machine;máquina de discos [en bar] jukebox;máquina destructora de documentos document shredder;máquina de escribir typewriter;máquina expendedora vending machine;máquina fotográfica camera;máquina de fotos camera;máquina herramienta machine tool;máquina de oficina office machine;máquina quitanieves snowplough;máquina registradora cash register;máquina de tabaco cigarette machine;máquina del tiempo time machine;máquina voladora flying machinemáquina de azar slot machine, Br fruit machine;máquina de marcianos Space Invaders® machine;máquina recreativa arcade machine;Am máquina tragamonedas slot machine, Br fruit machine; Esp máquina tragaperras slot machine, Br fruit machine3. [locomotora] enginemáquina de vapor steam engine4. [en buque] engine;sala de máquinas engine room;también Figa toda máquina at full pelt o tilt;Figno fuerces la máquina don't overdo it5. [de estado, partido] machinery[bicicleta] bike; [automóvil] wheels, Br motor* * *f1 machine2 FERR locomotive;a toda máquina at top speed3 C.Am., Caribcar4:pasar algo a máquina type sth* * *máquina nf1) : machinemáquina de coser: sewing machinemáquina de escribir: typewriter2) locomotora: engine, locomotive3) : machine (in politics)4)a toda máquina : at full speed* * *máquina n1. (en general) machine2. (tren) engine -
10 Chapelon, André
[br]b. 26 October 1892 Saint-Paul-en-Cornillon, Loire, Franced. 29 June 1978 Paris, France[br]French locomotive engineer who developed high-performance steam locomotives.[br]Chapelon's technical education at the Ecole Centrale des Arts et Manufactures, Paris, was interrupted by extended military service during the First World War. From experience of observing artillery from the basket of a captive balloon, he developed a method of artillery fire control which was more accurate than that in use and which was adopted by the French army.In 1925 he joined the motive-power and rolling-stock department of the Paris-Orléans Railway under Chief Mechanical Engineer Maurice Lacoin and was given the task of improving the performance of its main-line 4–6–2 locomotives, most of them compounds. He had already made an intensive study of steam locomotive design and in 1926 introduced his Kylchap exhaust system, based in part on the earlier work of the Finnish engineer Kyläla. Chapelon improved the entrainment of the hot gases in the smokebox by the exhaust steam and so minimized back pressure in the cylinders, increasing the power of a locomotive substantially. He also greatly increased the cross-sectional area of steam passages, used poppet valves instead of piston valves and increased superheating of steam. PO (Paris-Orléans) 4–6–2s rebuilt on these principles from 1929 onwards proved able to haul 800-ton trains, in place of the previous 500-ton trains, and to do so to accelerated schedules with reduced coal consumption. Commencing in 1932, some were converted, at the time of rebuilding, into 4–8–0s to increase adhesive weight for hauling heavy trains over the steeply graded Paris-Toulouse line.Chapelon's principles were quickly adopted on other French railways and elsewhere.H.N. Gresley was particularly influenced by them. After formation of the French National Railways (SNCF) in 1938, Chapelon produced in 1941 a prototype rebuilt PO 2–10–0 freight locomotive as a six-cylinder compound, with four low-pressure cylinders to maximize expansive use of steam and with all cylinders steam-jacketed to minimize heat loss by condensation and radiation. War conditions delayed extended testing until 1948–52. Meanwhile Chapelon had, by rebuilding, produced in 1946 a high-powered, three-cylinder, compound 4–8–4 intended as a stage in development of a proposed range of powerful and thermally efficient steam locomotives for the postwar SNCF: a high-speed 4–6–4 in this range was to run at sustained speeds of 125 mph (200 km/h). However, plans for improved steam locomotives were then overtaken in France by electriflcation and dieselization, though the performance of the 4–8–4, which produced 4,000 hp (3,000 kW) at the drawbar for the first time in Europe, prompted modification of electric locomotives, already on order, to increase their power.Chapelon retired from the SNCF in 1953, but continued to act as a consultant. His principles were incorporated into steam locomotives built in France for export to South America, and even after the energy crisis of 1973 he was consulted on projects to build improved, high-powered steam locomotives for countries with reserves of cheap coal. The eventual fall in oil prices brought these to an end.[br]Bibliography1938, La Locomotive à vapeur, Paris: J.B.Bailière (a comprehensive summary of contemporary knowledge of every function of the locomotive).Further ReadingH.C.B.Rogers, 1972, Chapelon, Genius of French Steam, Shepperton: Ian Allan.1986, "André Chapelon, locomotive engineer: a survey of his work", Transactions of the Newcomen Society 58 (a symposium on Chapelon's work).Obituary, 1978, Railway Engineer (September/October) (makes reference to the technical significance of Chapelon's work).PJGR -
11 Sprague, Frank Julian
[br]b. 25 July 1857 Milford, Connecticut, USAd. 25 October 1934 New York, USA[br]American electrical engineer and inventor, a leading innovator in electric propulsion systems for urban transport.[br]Graduating from the United States Naval Academy, Annapolis, in 1878, Sprague served at sea and with various shore establishments. In 1883 he resigned from the Navy and obtained employment with the Edison Company; but being convinced that the use of electricity for motive power was as important as that for illumination, in 1884 he founded the Sprague Electric Railway and Motor Company. Sprague began to develop reliable and efficient motors in large sizes, marketing 15 hp (11 kW) examples by 1885. He devised the method of collecting current by using a wooden, spring-loaded rod to press a roller against the underside of an overhead wire. The installation by Sprague in 1888 of a street tramway on a large scale in Richmond, Virginia, was to become the prototype of the universally adopted trolley system with overhead conductor and the beginning of commercial electric traction. Following the success of the Richmond tramway the company equipped sixty-seven other railways before its merger with Edison General Electric in 1890. The Sprague traction motor supported on the axle of electric streetcars and flexibly mounted to the bogie set a pattern that was widely adopted for many years.Encouraged by successful experiments with multiple-sheave electric elevators, the Sprague Elevator Company was formed and installed the first set of high-speed passenger cars in 1893–4. These effectively displaced hydraulic elevators in larger buildings. From experience with control systems for these, he developed his system of multiple-unit control for electric trains, which other engineers had considered impracticable. In Sprague's system, a master controller situated in the driver's cab operated electrically at a distance the contactors and reversers which controlled the motors distributed down the train. After years of experiment, Sprague's multiple-unit control was put into use for the first time in 1898 by the Chicago South Side Elevated Railway: within fifteen years multiple-unit operation was used worldwide.[br]Principal Honours and DistinctionsPresident, American Institute of Electrical Engineers 1892–3. Franklin Institute Elliot Cresson Medal 1904, Franklin Medal 1921. American Institute of Electrical Engineers Edison Medal 1910.Bibliography1888, "The solution of municipal rapid transit", Trans. AIEE 5:352–98. See "The multiple unit system for electric railways", Cassiers Magazine, (1899) London, repub. 1960, 439–460.1934, "Digging in “The Mines of the Motor”", Electrical Engineering 53, New York: 695–706 (a short autobiography).Further ReadingLionel Calisch, 1913, Electric Traction, London: The Locomotive Publishing Co., Ch. 6 (for a near-contemporary view of Sprague's multiple-unit control).D.C.Jackson, 1934, "Frank Julian Sprague", Scientific Monthly 57:431–41.H.C.Passer, 1952, "Frank Julian Sprague: father of electric traction", in Men of Business, ed. W. Miller, Cambridge, Mass., pp. 212–37 (a reliable account).——1953, The Electrical Manufacturers: 1875–1900, Cambridge, Mass. P.Ransome-Wallis (ed.), 1959, The Concise Encyclopaedia of World RailwayLocomotives, London: Hutchinson, p. 143..John Marshall, 1978, A Biographical Dictionary of Railway Engineers, Newton Abbot: David \& Charles.GW / PJGR
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