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1 пассажирская ракета
Astronautics: passenger rocketУниверсальный русско-английский словарь > пассажирская ракета
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2 пассажирский самолет
Бизнес, юриспруденция. Русско-английский словарь > пассажирский самолет
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3 ракета
I
1) (sky/air-) rocket
2) воен. missile (боевой снаряд); flare (сигнальная)
II = ракетка
III
(судно на подводных крыльях)
(passenger-carrying) hydrofoil (vessel)* * ** * *1) rocket 2) missile; flare* * *missilerocketsky-rocket -
4 ракета
I жен.1) (sky/air-) rocketбаллистическая ракета — ballistic rocket, ballistic missile
запускать ракету — to start/launch a rocket/missile
II жен.; = ракетка III жен.управляемая ракета — rocket bomb, guided missile
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5 paquete
m.1 parcel.paquete bomba parcel bombpaquete postal parcel2 pack, packet.paquete de tabaco cigarette packet3 bag (maleta, bulto).4 package (conjunto).paquete de acciones share holdingpaquete de medidas package of measurespaquete turístico package holiday5 package (computing).6 passenger.ir de paquete to ride pillion7 packet, bulge (informal) (genitales masculinos). (peninsular Spanish)8 headache, problem, hot seat, difficulty.* * *2 (conjunto) set, packet■ un paquete de medidas a package, a package of measures4 familiar (genitales masculinos) bulge, packet\ir de paquete to ride pillionmarcar paquete familiar to have a bulge in one's trousersmeter un paquete a alguien argot to come down on somebody like a ton of brickspaquete postal parcel* * *noun m.1) package2) packet3) parcel* * *1. SM1) [de correos] [grande] parcel; [pequeño] packagepaquetes postales — [como servicio] parcel post sing
2) [de cigarrillos, galletas] packet, pack (EEUU); [de harina, azúcar] bag3) (Econ, Inform) (=conjunto) packagepaquete accionarial, paquete de acciones — parcel of shares
4) * (=persona torpe)ser un paquete — to be useless, be a dead loss *
5) * (=castigo)el sargento le metió un paquete por abandonar su puesto — the sergeant threw the book at him for leaving his post
6) * (=bebé)7) ** (=genitales masculinos) bulge, lunchbox **8) * (=pañal) [limpio] nappy; [sucio] dirty nappy9) (Náut) packet (boat)10) † * (=majo) dandyestar hecho un paquete — to be all dressed up, be dressed in style
11) (Med) ** dose (of VD) **12) LAm (=cosa pesada) nuisance, bore¡menudo paquete!, ¡vaya paquete! — what a bore!
13)14) Méx (=asunto) tough job, hard one15) Cono Sur ** queer **, poof **, fag (EEUU) **16) LAm (=vacaciones) package holiday2.ADJ INV And, Arg * elegant, chic* * *I- ta adjetivo (RPl fam) smart, chicII1)a) ( bulto envuelto) package, parcelir de paquete — (fam) to ride on the back ( of a motorcycle)
b) (de galletas, cigarrillos) pack (AmE), packet (BrE)un paquete de papas fritas — (AmL) a bag of chips (AmE), a packet of crisps (BrE)
meterle un paquete a alguien — (Esp fam) to throw the book at somebody
2) ( conjunto) packageun paquete de software/de aplicación — (Inf) a software/an application package
3) (fam) ( genitales masculinos) bulge (colloq & euph)4) (Méx fam) ( problema) headache (colloq)cargar con el paquete — (fam) to take responsibility
* * *I- ta adjetivo (RPl fam) smart, chicII1)a) ( bulto envuelto) package, parcelir de paquete — (fam) to ride on the back ( of a motorcycle)
b) (de galletas, cigarrillos) pack (AmE), packet (BrE)un paquete de papas fritas — (AmL) a bag of chips (AmE), a packet of crisps (BrE)
meterle un paquete a alguien — (Esp fam) to throw the book at somebody
2) ( conjunto) packageun paquete de software/de aplicación — (Inf) a software/an application package
3) (fam) ( genitales masculinos) bulge (colloq & euph)4) (Méx fam) ( problema) headache (colloq)cargar con el paquete — (fam) to take responsibility
* * *paquete11 = pack, package, packet, parcel, deck, bundle, tranche.Ex: The notched cards, representing relevant documents, will drop off the needle and fall from the bulk of the pack.
Ex: A spider web of metal, sealed in a thin glass container, a wire heated to brilliant glow, in short, the thermionic tube of radio sets is made by the hundred million, tossed about in packages, plugged into sockets -- and it works!.Ex: In packet switching the message is split up in order to be sent through the network in short fixed length packets.Ex: You do not want to try and clear the building, thinking it is a fire when it is just somebody trying to deliver a parcel of books to the back door.Ex: As the user traverses links, new pages appear on top of the current deck.Ex: Many of them use a technique called packet-switching in which data are sent from transmitter to receiver in small bundles or packets.Ex: The first tranche of NATO enlargement -- adding Poland, Hungary, and the Czech Republic next year -- will help stabilize an historically unstable region.* conmutación en paquetes = packet switching.* empresa de reparto de paquetes = package delivery company.* franquear un paquete = frank + parcel.* insertar aguja en un paquete de fichas = needling the pack.* paquete ALEPH = ALEPH software.* paquete de azúcar = sugar packet.* paquete de chicles = packet of chewing gum.* paquete de clasificación = sort package.* paquete de comunicaciones = communications package.* paquete de discos = disc pack.* paquete de edición de texto = editing package.* paquete de entrada y comprobación de datos = data entry and validation package.* paquete de información = pack, information kit.* paquete de inscripción = registration package.* paquete de material didáctico = training package.* paquete de objetos e información sobre un tema concreto = topic kit.* paquete de programas = package.* paquete de programas de ordenador = software package.* paquete de revistas = journal package.* paquete de seis = six-pack.* paquete de trabajo = workpackage.* paquete de vacaciones = package holiday, vacation package.* paquete hotelero = hotel package.* paquete informativo = topic pack, pack, information kit.* paquete integrado de programas = software suite.* paquete ofimático = software suite, software suite.* paquete postal = parcel post.* paquetes de programas = programme packages.* paquetes editoriales = publishers' packages.* paquete turístico = tour package.* Sistema de Comunicación por Paquetes (PSS) = Packet-Switching System (PSS).* un paquete de = a suite of.* un paquete integrado de programas = a suite of + programmes.* un paquete ofimático integrado = a suite of office automation software.paquete22 = pillion.Ex: We will organize a special tour for a group if there is a minimum of four riders (i.e. four motorcycles, or a group of six -- three riders and pillions).
* ir de paquete = pillion riding, ride + pillion.* * *¡qué paqueta te has puesto! you're looking very smart o chictienen la casa muy paqueta their house is done out o up really nicely ( colloq)para la fiesta quiero algo más paquete I want something a bit dressier o a bit smarter for the party ( colloq)Ano soy muy bueno haciendo paquetes I'm not very good at wrapping up parcelsdejar a algn con el paquete ( fam); to get sb pregnant, to get sb in the club o in the family way ( colloq)meterle un paquete a algn to throw the book at sbCompuestos:parcel bombparcel ( sent by mail)envíalo como paquete postal send it (by) parcel postB (conjunto) packageun paquete de programas a software packageun paquete de información a workpackun paquete oferta a value packDcargar con el paquete ( fam); to take responsibility o the blame* * *
paquete 1
paquete 2 sustantivo masculino
1
paquete bomba parcel bomb;
paquete postal parcel ( sent by mail)
2 ( conjunto) package;
(Inf) package
3 (Méx fam) ( problema) headache (colloq)
paquete sustantivo masculino
1 package, parcel
(de café, cereales, folios, etc) packet, US pack
2 (conjunto, grupo) set, package
paquete de medidas, package of measures
3 Inform software package
4 (de bicicleta, moto) pillion passenger: Juan iba de paquete, John was riding pillion
5 fam (castigo, sanción) punishment: si se enteran, me meterán un paquete, if they find out, I'll be severely punished
' paquete' also found in these entries:
Spanish:
bomba
- deshacer
- deshecha
- deshecho
- empezar
- envasada
- envasado
- envío
- envuelta
- envuelto
- ligadura
- amarrar
- atar
- certificado
- consignar
- desamarrar
- despachar
- destinado
- destinatario
- entrega
- entregar
- enviar
- envoltorio
- envolver
- ligero
- liviano
- nombre
- papa
- pesar
- precintar
- recoger
- sospechoso
- sostener
- voluminoso
English:
block
- cracker
- make up
- pack
- package
- packet
- parcel
- parcel bomb
- reverse
- seal
- seal up
- send
- sign for
- six-pack
- software package
- tie up
- tissue
- unpack
- unwrap
- bundle
- way
- which
* * *paquete1, -a adjRP Fam smart, elegant;es una mujer muy paqueta she's a very smart dresser;hoy estás muy paquete you're looking very elegant today;tiene un apartamento muy paquete he's got a very chic apartmentpaquete2 nm1. [de libros, regalos] package, parcelpaquete de bienvenida [en congreso, hotel] welcome pack; Col, Ven Fam paquete chileno [timo] = deception involving the use of a fake wad of bank notes; [estafa] swindle;paquete postal parcel, package2. [de cigarrillos, folios] Br packet, US pack;[de azúcar, arroz] bag3. [maleta, bulto] bag4. [en rugby] pack5. [en ciclismo] pack6. [en motocicleta] passenger;ir de paquete to ride pillion7. [conjunto] packageBolsa paquete de acciones bundle o lot of esp Br shares o esp US stock(s);paquete de medidas package of measures;paquete turístico package tour8. Informát packagepaquete integrado integrated packagemarcar paquete to draw attention to one's packet o bulge14. CompFammeter un paquete a alguien [castigar] to come down hard on sb;Fam Méxdarse paquete to put on airs* * *m1 package, parcel2 de cigarrillos packet3 famen moto (pillion) passenger* * *paquete nmbulto: package, parcel* * *paquete n1. (objeto envuelto) parcel2. (caja, bolsa) packet -
6 ракета
1. ж.2. ж. = ракетка 3. ж. (судно на подводных крыльях)запускать ракету — start / launch a rocket / missile
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7 ракета
I ж.1) ( тип двигателя) rocketкосми́ческая раке́та — space rocket
трёхступе́нчатая раке́та — three-stage rocket
2) ( боевой снаряд) missileсигна́льная раке́та — flare
баллисти́ческая раке́та — ballistic missile
раке́та да́льнего де́йствия — long-range [-'reɪ-] missile
освети́тельная раке́та — flash cartridge
запуска́ть раке́ту — start / launch a rocket / missile
3) ( в фейерверке) skyrocketII ж.( судно на подводных крыльях) (passenger) hydrofoil -
8 кресло
seat
(cm. сиденье)
- кабины экипажа — cockpit seat
-, катапупьтируемое вверх — upward (-firing) ejection seat
-, катапультируемое вниз — downward-firing ejection seat
-, катапультируемое одним движением — one-motion ejection seat
-, катапупьтное (рис. 109) — ejection seat
-, катапупьтное, двухступенчатого катапультирования — two-motion ejection seat
-, катапупьтное, дпя катапультирования при нулевой высоте и скорости — zero-zero ejection seat
-, катапультное, для катапупьтирования при нулевой скорости — zero-speed ejection seat
-, катапультное, для каталупьтирования с нулевой высоты (с уровня земли) — zero-height ejection seat, ground (-level) ejection seat
-, катапультное, одноступенчатого катапультирования — one-motion ejection seat
- катапультное, с двух (трех) трубным стреляющим механизмом — two-- (three-) stage gun ejeetion seat
-, катапультное, с комбинированным стреляющим мехпнизмом — rocket ejection /rocket-assisted, rocket-powered, rocketpropelled/ seat
-, катапультное, с обычным стреляющим механизмом (без ракетного ускорителя) — ballistic-type ejection seat
-, катапультное.с тепескопическим стреляющим механизмом — telescopic gun ejection seat
-, катапультное, со стабипизирующим парашютом — drogue stabilized ejection seat
- летчика — pilot /cockpit/ seat
-, мягкое — cushioned seat
- на поддоне (пассажирское) — pallatized seat
-, пассажирское — passenger /cabin/ seat
-, спальное ряд (кресел) шаг (кресел) — sleeper seat row (of seats) pitch (of seats)Русско-английский сборник авиационно-технических терминов > кресло
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9 приводить в движение
•Vacuum tubes which activate the mechanisms...
•To actuate, or to cause to move, or to bring into action, or to set in motion...
•The relay serves to actuate the dial mechanism of the clock.
•The machines in these plants are largely driven by ac motors.
•This initiates the operation of the governor mechanism.
•The motors operate the caterpillar tracks.
•A separate motor powers the hydraulic pumps.
•All American passenger cars are powered with (or propelled by) 6 or 8-cylinder engines.
•When the machine member is set (or put) in motion,...
•The rocket is propelled in the same way.
Русско-английский научно-технический словарь переводчика > приводить в движение
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10 движение
flow гидр., motion, movement, moving* * *движе́ние с.1. мех., физ. motionбез движе́ния — idle, stationaryдви́гатель нахо́дится без движе́ния в тече́ние до́лгого вре́мени — the engine is stationary [idle] for a long periodдвиже́ние прекраща́ется — the motion (of smth.) ceases [stops]приводи́ть в движе́ние — set in motionпри движе́нии за́дним хо́дом — when moving in reverse …, when backing out …разлага́ть движе́ние на составля́ющие — resolve a motion into component motions [components]скла́дывать движе́ния (напр. геометрически) — combine motionsсоверша́ть движе́ние — be in [have] motion; (напр. о звеньях механизмов) carry out movements2. (перемещение элементов машин, механизмов) movement, motion, travel3. (приведение в движение, напр. самолётов, судов) propulsion; ( транспорта) trafficнаправля́ть движе́ние в объе́зд — divert trafficорганизо́вывать движе́ние — arrange trafficперекрыва́ть движе́ние — block off trafficабсолю́тное движе́ние — absolute motionапериоди́ческое движе́ние — aperiodic motionапсида́льное движе́ние — apsidal motionбезвихрево́е движе́ние — vortex-fee [stream-line, steady] flowдвиже́ние без проска́льзывания — positive motionбеспоря́дочное движе́ние — random motionбоково́е движе́ние — lateral motionбро́уновское движе́ние — Brownian motionдвиже́ние вверх — movement upward, upward movement; ( поршня) upstrokeви́димое движе́ние — apparent motionвинтово́е движе́ние — helical [screw] motionвихрево́е движе́ние — vortex [swirl] motion, eddyдвиже́ние вниз — movement downward, downward movement; ( поршня) downstrokeпри движе́нии вниз, по́ршень … — in its movement downward [downward movement], the piston …внутригородско́е движе́ние — intertown trafficвнутримолекуля́рное движе́ние — intramolecular motionвозвра́тно-поступательное́ движе́ние — reciprocating motionсоверша́ть возвра́тно-поступа́тельное движе́ние — reciprocateвозду́шное движе́ние — air trafficвозмущё́нное движе́ние — perturbed motionдвиже́ние в перехо́дном режи́ме — transient motionдвиже́ние в простра́нстве — spatial [three-dimensional] motionвраща́тельное движе́ние — rotary motionвстре́чное движе́ние — opposing trafficгармони́ческое движе́ние — harmonic motionдвиже́ние грани́ц доме́нов — domain wall motionгрузово́е движе́ние — goods [freight] trafficгужево́е движе́ние — horse-drawn trafficдвусторо́ннее движе́ние — two-way trafficдвухпу́тное движе́ние — two-way trafficдвухря́дное движе́ние — two-lane trafficжелезнодоро́жное движе́ние — railway trafficдвиже́ние жи́дкости — flowза́городное движе́ние — suburban trafficзаме́дленное движе́ние — decelerated [retarded] motionзатуха́ющее движе́ние — damped motionдвиже́ние звёзд — stellar motionsдвиже́ние Земли́ — Earth's motionи́мпульсное движе́ние — impulsive motionинтенси́вное движе́ние — heavy trafficи́стинное движе́ние — proper motionка́жущееся движе́ние — apparent motionкапилля́рное движе́ние — capillary flowкача́тельное движе́ние — wobbling [swinging] motionквазипериоди́ческое движе́ние — quasi-periodic motionколеба́тельное движе́ние — oscillatory motionколовра́тное движе́ние — gyrationконвекцио́нное движе́ние — convective motionкоррели́рованное движе́ние — correlated motionкосо́е движе́ние — inclined motionкриволине́йное движе́ние — curvilinear motionкругово́е движе́ние — circular movementкруговраща́тельное движе́ние — gyrationкругообра́зное движе́ние — circular motionламина́рное движе́ние — laminar flowлевосторо́ннее движе́ние ( транспорта) — left drivingлине́йное движе́ние — linear motionдвиже́ние Луны́ — Moon's motionмагистра́льное движе́ние — main-line [trunk-line] trafficмакроскопи́ческое движе́ние — macroscopic motionма́ятниковое движе́ние — pendular [pendulum] motionмгнове́нное движе́ние — instantaneous motionмолекуля́рное движе́ние — molecular motionнапо́рное движе́ние (экскаватора, бульдозера и т. п.) — crowding motionнапра́вленное движе́ние — ordered motionнаправля́ющие движе́ния — direction parameters of motionдвиже́ние на я́дерной тя́ге — nuclear propulsionнеорганизо́ванное движе́ние физ. — commotionнепреры́вное движе́ние — continuous motionнеравноме́рное движе́ние — irregular motion, non-uniform movementдвиже́ние несвобо́дного те́ла — forced motionнесвобо́дное движе́ние — forced motionнеустанови́вшееся движе́ние — unsteady motionнеусто́йчивое движе́ние — unstable motionнисходя́щее движе́ние — downward motionобра́тное движе́ние1. мех. inverse [reverse] motion2. астр. retrograde motionодноме́рное движе́ние — one-dimensional motionоднопу́тное движе́ние — one-way trafficодноря́дное движе́ние — single-lane trafficодносторо́ннее движе́ние — one-way trafficорбита́льное движе́ние — orbital motionотноси́тельное движе́ние — relative motionпараллакти́ческое движе́ние — parallactic motionпассажи́рское движе́ние — passenger trafficпекуля́рное движе́ние астр. — peculiar motionпереме́нное движе́ние — variable motionпереносно́е движе́ние — transportation (motion)периоди́ческое движе́ние — periodic motionпешехо́дное движе́ние — pedestrian trafficдвиже́ния плане́т — planetary motions, planetary movementпло́ское движе́ние — plane motionплоскопаралле́льное движе́ние — plane-parallel motionдвиже́ние по вертика́ли — vertical motionдвиже́ние по горизонта́ли — horizontal motionдвиже́ние пода́чи на глубину́ — depth feed motionдвиже́ние поездо́в — train operation, train movementдвиже́ние по телегра́фному соглаше́нию — telegraph block systemдвиже́ние по ине́рции — coastingдвиже́ние по каса́тельной — tangential motionпо́лное движе́ние мат. — general motionдвиже́ние по́люсов (Земли́) — polar motion, polar wanderingдвиже́ние по о́си X, Y, Z — motion in the X, Y, Z coordinate, X, Y, Z -motionпопере́чное движе́ние — lateral [transverse] motionпопя́тное движе́ние астр. — retrograde motion, backward movementдвиже́ние порожняко́м — empty trafficдвиже́ние по спира́ли — helical [spiral] motionпоступа́тельное движе́ние — translational motionпотенциа́льное движе́ние — potential motion; ( жидкости) irrotational motionдвиже́ние по часово́й стре́лке — clockwise motionправосторо́ннее движе́ние ( транспорта) — right drivingпреры́вистое движе́ние — intermittent motionпри́городное движе́ние — commuter trafficпро́бное движе́ние ( в градиентных методах оптимизации) — exploratory moveпродо́льное движе́ние — longitudinal motionпросто́е движе́ние — simple motionпростра́нственное движе́ние — three-dimensional motionдвиже́ние про́тив часово́й стре́лки — counter-clockwise motionпрямо́е движе́ние астр. — direct motionпрямолине́йное движе́ние — straight-line [rectilinear] motionравноме́рное движе́ние — uniform motionравноме́рно заме́дленное движе́ние — uniformly retarded [decelerated] motionравноме́рно-переме́нное движе́ние — uniformly variable motionравноме́рное уско́ренное движе́ние — uniformly accelerated motionраке́тное движе́ние — rocket propulsionреакти́вное движе́ние — jet [reaction] propulsionреакти́вное движе́ние с испо́льзованием пла́змы — plasma propulsionреакти́вное движе́ние с испо́льзованием хими́ческих то́плив — chemical propulsionрегуля́рное движе́ние — regular traffic, regular serviceдвиже́ние ре́зания — cutting motionдвиже́ние свобо́дного те́ла — free motionсвобо́дное движе́ние — free [unrestricted, unbounded] motionскачкообра́зное движе́ние ( в теории машин и механизмов) — stick-slip motionсло́жное движе́ние — compound [combined] motionсо́бственное движе́ние астр. — proper motionдвиже́ние Со́лнца — Solar motionсоставля́ющее движе́ние — component motionдвиже́ние сплошно́й среды́ — motion of continuumстациона́рное движе́ние — stationary motionдвиже́ние сте́нок доме́нов — domain wall motionстру́йное движе́ние — stream-line motionсу́точное движе́ние астр. — diurnal, [daily] motionтеплово́е движе́ние — thermal motionдвиже́ние толчка́ми — jogging motionтранзи́тное движе́ние — transit [through] trafficтрансляцио́нное движе́ние — translational motionтурбуле́нтное движе́ние — turbulent motionупоря́доченное движе́ние — ordered motionуско́ренное движе́ние — accelerated motionустанови́вшееся движе́ние — steady-state motionусто́йчивое движе́ние — steady motionхаоти́ческое движе́ние — random motionдвиже́ние це́нтра тя́жести — centre-of-gravity motion* * * -
11 aeroplano
m plane, aeroplane, AE airplane* * *aeroplano s.m. aircraft*, (aero)plane; (amer.) airplane: aeroplano a energia atomica, atomic-powered aeroplane; aeroplano a grande autonomia, long-range aircraft; aeroplano a pattini, ski plane; aeroplano a razzo, rocket plane; aeroplano a reazione, a getto, jet plane; aeroplano anfibio, amphibian (aeroplane); aeroplano bimotore, twin-engined aircraft; aeroplano da bombardamento, bomber (aircraft); aeroplano da caccia, fighter (o pursuit) aircraft; aeroplano da combattimento, combat aircraft; aeroplano da corsa, racing aircraft; aeroplano da ricognizione, scout (o reconnaissance) plane; aeroplano da trasporto, transport plane; aeroplano da trasporto merci, cargo aircraft; aeroplano da trasporto passeggeri, passenger aircraft; aeroplano da turismo, light aircraft; aeroplano di linea, airliner; aeroplano di linea a reazione, jet-airliner; aeroplano di portaerei, carrier-based aircraft; aeroplano militare, war plane; aeroplano monomotore, multimotore, single-engined, multi-engined aircraft; aeroplano quadrimotore, four-engined aircraft; aeroplano radar, AWACS, Airborne Warning and Control System; aeroplano spia, spy plane; aeroplano teleguidato, drone.* * *[aero'plano]sostantivo maschile aircraft*, aeroplane BE, airplane AE* * *aeroplano/aero'plano/sostantivo m.aircraft*, aeroplane BE, airplane AE. -
12 обратное движение
1. мех. inverse motion2. астр. retrograde motionпотенциальное движение — potential motion; irrotational motion
Русско-английский большой базовый словарь > обратное движение
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13 Parsons, Sir Charles Algernon
[br]b. 13 June 1854 London, Englandd. 11 February 1931 on board Duchess of Richmond, Kingston, Jamaica[br]English eingineer, inventor of the steam turbine and developer of the high-speed electric generator.[br]The youngest son of the Earl of Rosse, he came from a family well known in scientific circles, the six boys growing up in an intellectual atmosphere at Birr Castle, the ancestral home in Ireland, where a forge and large workshop were available to them. Charles, like his brothers, did not go to school but was educated by private tutors of the character of Sir Robert Ball, this type of education being interspersed with overseas holiday trips to France, Holland, Belgium and Spain in the family yacht. In 1871, at the age of 17, he went to Trinity College, Dublin, and after two years he went on to St John's College, Cambridge. This was before the Engineering School had opened, and Parsons studied mechanics and mathematics.In 1877 he was apprenticed to W.G.Armstrong \& Co. of Elswick, where he stayed for four years, developing an epicycloidal engine that he had designed while at Cambridge. He then moved to Kitson \& Co. of Leeds, where he went half shares in a small experimental shop working on rocket propulsion for torpedoes.In 1887 he married Katherine Bethell, who contracted rheumatic fever from early-morning outdoor vigils with her husband to watch his torpedo experiments while on their honeymoon! He then moved to a partnership in Clarke, Chapman \& Co. at Gateshead. There he joined the electrical department, initially working on the development of a small, steam-driven marine lighting set. This involved the development of either a low-speed dynamo, for direct coupling to a reciprocating engine, or a high-speed engine, and it was this requirement that started Parsons on the track of the steam turbine. This entailed many problems such as the running of shafts at speeds of up to 40,000 rpm and the design of a DC generator for 18,000 rpm. He took out patents for both the turbine and the generator on 23 April 1884. In 1888 he dissolved his partnership with Clarke, Chapman \& Co. to set up his own firm in Newcastle, leaving his patents with the company's owners. This denied him the use of the axial-flow turbine, so Parsons then designed a radial-flow layout; he later bought back his patents from Clarke, Chapman \& Co. His original patent had included the use of the steam turbine as a means of marine propulsion, and Parsons now set about realizing this possibility. He experimented with 2 ft (61 cm) and 6 ft (183 cm) long models, towed with a fishing line or, later, driven by a twisted rubber cord, through a single-reduction set of spiral gearing.The first trials of the Turbinia took place in 1894 but were disappointing due to cavitation, a little-understood phenomenon at the time. He used an axial-flow turbine of 2,000 shp running at 2,000 rpm. His work resulted in a far greater understanding of the phenomenon of cavitation than had hitherto existed. Land turbines of up to 350 kW (470 hp) had meanwhile been built. Experiments with the Turbinia culminated in a demonstration which took place at the great Naval Review of 1897 at Spithead, held to celebrate Queen Victoria's Diamond Jubilee. Here, the little Turbinia darted in and out of the lines of heavy warships and destroyers, attaining the unheard of speed of 34.5 knots. The following year the Admiralty placed their first order for a turbine-driven ship, and passenger vessels started operation soon after, the first in 1901. By 1906 the Admiralty had moved over to use turbines exclusively. These early turbines had almost all been direct-coupled to the ship's propeller shaft. For optimum performance of both turbine and propeller, Parsons realized that some form of reduction gearing was necessary, which would have to be extremely accurate because of the speeds involved. Parsons's Creep Mechanism of 1912 ensured that any errors in the master wheel would be distributed evenly around the wheel being cut.Parsons was also involved in optical work and had a controlling interest in the firm of Ross Ltd of London and, later, in Sir Howard Grubb \& Sons. He he was an enlightened employer, originating share schemes and other benefits for his employees.[br]Principal Honours and DistinctionsKnighted. Order of Merit 1927.Further ReadingA.T.Bowden, 1966, "Charles Parsons: Purveyor of power", in E.G.Semler (ed.), The Great Masters. Engineering Heritage, Vol. II, London: Institution of Mechanical Engineers/Heinemann.IMcNBiographical history of technology > Parsons, Sir Charles Algernon
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