-
1 loading interval
1) Военный термин: время заряжания2) Оружейное производство: время заряжания (снаряжения) -
2 loading interval
-
3 loading interval
-
4 interval
интервал; промежуток -
5 loading time
-
6 rate
1. норма; ставка; тариф; расценка; цена; стоимость; оценка || исчислять; оценивать2. степень3. разряд; сорт; класс || классифицировать4. темп, скорость, быстрота протекания какого-нибудь процесса5. величина, расход6. производительность, номинальные рабочие данные машины7. отношение; пропорция9. определять, измерять; устанавливать, подсчитывать; фиксировать ( значение величины)rate of water injection — скорость нагнетания [подачи] воды
* * *
1. скорость; темп; интенсивность; степень2. норма3. стоимость; оценка
* * *
1. норма; скорость, темп, производительность2. размер, мера, масштаб3. цена, стоимость; тариф
* * *
быстрота; частота; скорость; интенсивность; оценка; норма
* * *
1) скорость; темп; интенсивность; степень2) норма3) стоимость; оценка•- rate of advance
- rate of aeration
- rate of angle increase
- rate of attack
- rate of crack propagation
- rate of deformation
- rate of delivery
- rate of development
- rate of deviation change
- rate of dilution
- rate of divergence
- rate of feed
- rate of flow
- rate of formation influx
- rate of grout
- rate of hole angle charge
- rate of hole deviation change
- rate of inspection
- rate of linkage
- rate of net drilling
- rate of oil recovery
- rate of penetration
- rate of percolation
- rate of piercing
- rate of pressure rise
- rate of rise
- rate of sedimentation
- rate of setting
- rate of sinking
- rate of solidification
- rate of throughput
- rate of travel
- rate of wear
- rate of yield
- abort rate
- absolute drilling rate
- accelerated failure rate
- acceptable degradation rate
- acceptable failure rate
- acceptable hazard rate
- acceptable malfunction rate
- admissible flow rate
- admissible production rate
- age-specific failure rate
- age-wear-specific failure rate
- air rate
- allowable flow rate
- allowable production rate
- anticipated failure rate
- assessed failure rate
- average daily flow rate
- average daily production rate
- average injection rate
- average monthly flow rate
- average monthly production rate
- average penetration rate
- average well monthly production rate
- basic failure rate
- bathtub hazard rate
- block rate
- blowout rate
- build rate
- burn-in hazard rate
- catalyst circulation rate
- catastrophic failure rate
- chance failure rate
- change rate
- circulation rate
- collective failure rate
- complaint rate
- component failure rate
- condensate production rate
- conditional failure rate
- constant rate
- constant failure rate
- constant production rate
- corrosion rate
- counting rate
- crack growth rate
- critical production rate
- cumulative failure rate
- current production rate
- cutting rate
- daily flow rate
- daily production rate
- damage rate
- decline rate
- decreasing failure rate
- decreasing hazard rate
- defect rate
- degradation rate
- degradation failure rate
- depletion rate
- deterioration rate
- discharge rate
- dormant failure rate
- drill penetration rate
- drilling rate
- efficient production rate
- engineering maximum efficient rate
- estimated flow rate
- estimated production rate
- failure rate
- far count rate
- fault rate
- feed rate
- feed-out rate
- field rate
- field-usage failure rate
- fieldwide rate of production
- fieldwide rate of recovery
- film-drainage rate
- filtration rate
- final flow rate
- final production rate
- flame jet cutting rate
- flat rate
- flaw rate
- flexible rates
- flooding rate
- flow rate
- flowing production rate
- fluid-flow rate
- flush production rate
- forced outage rate
- formation fluid withdrawal rate
- gas flow rate
- gas leak rate
- gas-free production rate
- general failure rate
- hazard rate
- improvement rate
- in-commission rate
- in-service failure rate
- incentive rate
- increasing failure rate
- initial rate
- initial failure rate
- initial flow rate
- initial production rate
- injection rate
- input rate
- instantaneous failure rate
- interval rate of production
- levelized rate
- limiting failure rate
- log-data rate
- long-spacing detector counting rate
- low production rate
- maintenance action rate
- maintenance downtime rate
- malfunction rate
- mass rate
- maximum efficiency rate
- maximum efficient rate
- maximum permissible rate
- maximum recovery rate
- mean failure rate
- median failure rate
- metered rate
- monotone failure rate
- near count rate
- negotiated rate
- nominal failure rate
- norm rate
- normalized failure rate
- observed defect rate
- observed failure rate
- oil flow rate
- oil production rate
- optimum failure rate
- optimum flow rate
- optimum production rate
- outage replacement rate
- pellet rate
- pipeline rate
- potential production rate
- predicted failure rate
- preventive maintenance rate
- production rate
- production decline rate
- productive rate
- pump rate
- pump stroke rate
- pumping rate
- ready rate
- receiving rate
- recovery rate
- recurrence rate
- reduced rate
- reliability rate
- reservoir voidage rate
- residential rate
- retail rate
- rig day rate
- sampling rate
- search rate
- seasonal rate
- settled production rate
- settling rate
- shear rate
- shooting rate
- short-spacing detector counting rate
- stable flow rate
- stable production rate
- standard failure rate
- steady production rate
- step rate
- storage failure rate
- straight fixed variable rate
- subsequent production rate
- system failure rate
- tanker loading rate
- target failure rate
- threshold flow rate
- total failure rate
- total production rate
- unacceptable failure rate
- unit rate of flow
- unit dimensionless production rate
- unit production rate
- unmetered rate
- unpowered failure rate
- unsteady production rate
- upper critical failure rate
- utilization rate
- variable production rate
- voidage rate
- volume flow rate
- water-free production rate
- water-influx rate
- water-injection rate
- water-intake rate
- wear-out failure rate
- welding rate
- well flow rate
- well production rate
- withdrawal rate* * *• 1) норма; 2) скорость• глубина• измерять• ставка• темп -
7 terminal
1) конечная железнодорожная станция; товарная железнодорожная станция; причал, гавань2) аэровокзал3) архит. орнаментальное концевое украшение (напр. шпиля)4) зажим, клемма5) конечный; терминальный•- air freight terminal - cargo terminal - dead-end terminals - day timer terminal - interval terminal - junction terminal - loading terminal - passenger terminal - screw terminal - shopping terminal* * *1. оконечное устройство, терминал; абонентский пункт2. клемма, зажим, вывод3. концевая муфта4. оголовок дымовой трубы5. конечная станция (напр. метрополитена); конечный пункт6. конечное [концевое] архитектурное украшение- air terminal
- airport passenger terminal
- bulk oil terminal
- cargo terminal
- deep-sea terminal
- earth terminal
- electric terminal
- exhaust air terminal
- fan terminal
- loading terminal
- multilevel terminal
- passenger terminal
- unilevel terminal -
8 время
ср.
1) time сколько времени? ≈ how long?;
what's the time? иметь мало времени ≈ to be pressed for time время не ждет ≈ time presses время терпит ≈ there is no hurry, there is plenty of time время не позволяет ≈ time forbids, there is no time всему свое время ≈ there is time for everything, everything is good in its season вернуть потерянное время ≈ to make up for lost time тянуть время ≈ to stall for time, to temporize хорошо провести время ≈ have a good time летнее время ≈ summer-time, summertime дополнительное время ≈ extra time, overtime декретное время ≈ standard time свободное время ≈ spare/free time в свободное время ≈ at leisure, in one's spare time все время ≈ all the time, always, constantly, at all times во всякое время ≈ at any time в то время ≈ at that time много времени ≈ a long time/while;
much time, plenty of time на время ≈ for a (certain) time, for a while, temporarily;
in (the long) run до сего времени ≈ hitherto до того времени ≈ till then, up to that time с того времени ≈ since then со времени ≈ since со временем, с течением времени ≈ in (the course of) time, with time, as times goes by к тому времени ≈ by that time в скором времени ≈ in a short time, shortly, before long, in the near future ко времени ≈ on time, at the right/proper time к этому времени ≈ by this, by now занятый столько-то времени ≈ - timer время закрытия ≈ (магазинов, учреждений и т. п.) closing-time
2) (эпоха) time;
times мн. отстать от времени ≈ to lag behind the times во все времена ≈ at all times во времена ≈ (кого-л./чего-л.) in (smb.'s) time в наше время ≈ in our time, nowadays с незапамятных времен ≈ from time immemorial по тем временам ≈ for those times/days во времена оно ≈ of yore, in the old days
3) грам. tense ∙ одно время ≈ at one time самое время ≈ разг. just the time (to/for) в настоящеевремя, в данное время ≈ at (the) present (moment), today время от времени, от времени до времени, по временам ≈ from time to time, (every) now and then, sometimes, at times, now and again время года ≈ season в то время как ≈ whereas, while (в) первое время ≈ at first (за/в) последнее время ≈ lately, recently до поры до времени ≈ for the time being на первое время ≈ for the initial period, initially тем временем ≈ meanwhile раньше времени ≈ prematurely, too soon во время ≈ during, at the time of в то же время ≈ at the same time в свое время ≈ in one's time (раньше) ;
in due time/course (в нужное время)врем|я - с.
1. time;
солнечное ~ solar time;
промежуток ~ени interval;
местное ~ local time;
полётное ~ airborne time;
поясное ~ standard time, zone time;
сталийное ~ lay days;
экранное ~ screen time;
эфирное ~ air (radio) time;
расчётное ~ в полёте estimated time of flight;
расчётное ~ в пути estimated time en-route;
расчётное ~ прибытия estimated time of arrival;
среднее ~ по Гринвичу Greenwich mean time;
Zulu time;
косм. жарг. ;
среднее ~ простоя meandown time;
фактическое ~ вылета departure actual time;
~ вступления в силу effective date, date of entering into force;
~ вылета off time;
~ действия лицензии lease period;
~ на погрузку time for loading;
~ начала регистрации check-on-time, reporting time;
~ посадки пассажиров boarding time;
~ прибытия arrival time;
~ простоя down-time, demurrage;
~ в рейсе Уblock-to-blockФ time;
~ летит time flies;
~ идёт time goes by, time is passing;
пространство и ~ space and time;
до настоящего ~ени up to the present;
до последнего ~ени till quite recently;
на будущее ~ in future, henceforth;
с того ~ени since then;
в свободное ~ at one`s leisure, in one`s spare time;
у меня есть ~ читать I have time to read;
в это ~ at that time;
(между тем) meanwhile;
in the meanwhile;
а в это ~... meanwhile...;
во ~ during;
во ~ работы while working;
за это ~ in this period, since then;
за короткое ~ in a very short time;
в то ~ at that/the time;
2. (пора) time;
(года тж.) season;
лучшее ~ суток the best time of the day;
вечернее ~ evening hours pl. ;
утреннее ~ morning hours pl. ;
~ жатвы harvest time;
дождливое ~ the rainy season;
ненастное ~ bad spell of weather;
3. (эпоха) time(s), age;
дух ~ени the spirit of the age/times;
в наше ~ (о прошлом) in our day;
(о настоящем) nowadays, in this day and age;
в мирное ~ in peace-time;
было ~ когда... the time was when..., there was a time when...;
во ~ена Екатерины in the days of Catherine;
в те ~ена in those days;
4. грам. tense;
в последнее ~, за последнее ~ lately, of late;
(в) первое ~ at first, in the beginning;
~ от ~ени from time to time;
в своё ~
1) (когда-то) at one time;
2) (в известный период жизни) in one`s day;
3) (своевременно) in due time, when the time comes;
всё в своё ~ all in good time;
всему своё ~ there`s a time for everything;
(теперь) не ~ this is not the moment;
не ~ шутить no time for joking;
(теперь) самое ~ it`s the very moment, it`s just the time;
в то же ~ all the time;
раньше ~ени prematurely;
с незапамятных ~ён from the time immemorable;
во ~ оно at one time;
во все ~ена at all times;
до поры, до ~ени for the time being. -
9 period
1) период; интервал, промежуток времени2) цикл3) стадия; этап•- action period
- damping period
- deceleration period
- delay period
- depreciation period
- downtime period
- durability period
- dwell period
- dwelling period
- early failure period
- encoder pulse period
- fixed period
- grating period
- hunting period
- idle period
- inaction period
- increment interval period
- interstep period
- latent period
- look-ahead period
- nonorient period
- off period
- on period
- one-half period
- onload period
- oscillatory period
- overshoot period
- payback period
- period of loading
- period of service
- reference period
- regeneration period
- repetition period
- resetting period
- retrace period
- run-in period
- sampling period
- scheduling period
- start-up period
- storage cycle period
- switching period
- tool stoppage period
- transient period
- transitory period
- variable repetition periods
- warm-up period
- wear-out failure period
- write-off periodEnglish-Russian dictionary of mechanical engineering and automation > period
-
10 cutting
стружка; опилки; лоскутки; обрезки; обрезь; обрезок (пиломатериал); нарезание; насечка; резание; резка (напр. газовая); разрезка; разрезание; срезание; перерезание; строжка; обработка резанием; фрезерование; гранение; выемка (бульдозером); разъединение; разрыв; отсоединение; отключение; выключение; отсечка (тока); запирание (цепи); отсечение; вырезание; отбрасывание стр. выемка грунта; лес. подрубка; врубка; рубка; тесание; распиливание; с.х. косьба; кошение; покос; отросток; отводок; черенок- cutting accuracy - cutting amperage - cutting and bending - cutting-and-mixing machine - cutting-and-molding machine - cutting and shearing plant - cutting angle - cutting apparatus - cutting area - cutting area work - cutting assemblage - cutting axis - cutting-back - cutting band - cutting-bit head - cutting burrs - cutting by blowtorch - cutting by waterjet - cutting cam - cutting capability - cutting ceramics - cutting chain - cutting chute - cutting conditions - cutting coolant - cutting-cooling medium - cutting cycle - cutting depth - cutting device - cutting diamond - cutting die - cutting divider - cutting down - cutting-down - cutting drag - cutting drum - cutting-edge - cutting edge - cutting edge angle - cutting edge configuration - cutting edge form - cutting edge inclination - cutting edge length - cutting edge normal plane - cutting edge of a knife - cutting edge of machining technology - cutting edge package - cutting-edge seal - cutting edge sharpness - cutting edge technology - cutting-edge technology - cutting edge tip - cutting effect - cutting efficiency - cutting effort - cutting electrode - cutting emulsion - cutting end - cutting end shape - cutting energy - cutting engagement - cutting equipment - cutting face - cutting feed rate - cutting feed speed - cutting flame - cutting fluid - cutting-fluid recycling - cutting flute - cutting force - cutting force component - cutting force deflection - cutting force dynamometer - cutting force-induced error - cutting force per unit area of cut - cutting force per unit width of cut - cutting forceps - cutting frame - cutting from the solid - cutting gage - cutting gas - cutting geometry - cutting giant - cutting grade - cutting head - cutting head assembly - cutting-head-height-and-collision sensor - cutting heat - cutting height - cutting-in - cutting in a smooth pattern - cutting in a spiral pattern - cutting-in speed - cutting-in speed of over drive - cutting-in time - cutting inaccuracies - cutting insert - cutting installation - cutting instrument - cutting interval - cutting iron - cutting jet - cutting jib - cutting job - cutting knife - cutting laser tool - cutting length - cutting life - cutting line - cutting liquid - cutting load - cutting load signal - cutting-loading machine - cutting lubricant - cutting machine - cutting machine scratch - cutting machine tool technology - cutting machine with coordinate drive - cutting material - cutting mechanics - cutting mechanism - cutting medium - cutting member - cutting metal - cutting mode - cutting motion - cutting movement - cutting nippers - cutting noise - cutting nozzle - cutting of fuel oils - cutting-off-abrasive wheel - cutting-off - cutting-off bit tool - cutting-off EDM - cutting-off grinding - cutting-off lathe - cutting-off machine - cutting-off saw - cutting-off tool - cutting oil - cutting-oil deflector - cutting oil freshener - cutting oil separator - cutting operation - cutting orientation - cutting out - cutting-out - cutting-out of rivets - cutting out of square - cutting-out press - cutting oxygen - cutting oxygen tube - cutting parameters - cutting part - cutting pass - cutting path - cutting path supporting points - cutting pattern - cutting performance - cutting period - cutting perpendicular force - cutting pick - cutting plan - cutting plane - cutting plane line - cutting plate - cutting platform - cutting pliers - cutting point - cutting-point angle - cutting position - cutting power - cutting-practice rules - cutting press - cutting profile - cutting program - cutting prong - cutting propagation - cutting pulse - cutting punch - cutting quality - cutting radius - digging radius - cutting rate - cutting region - cutting relief angle - cutting resistance - cutting resistance per tooth - cutting rib - cutting right to size - cutting rim - cutting ring - cutting ring coupling - cutting roll - cutting room - cutting rotor - cutting rule - cutting run - cutting scallops - cutting sequence - cutting-shearing drilling bit - cutting shoe - cutting simulation - cutting size - cutting size of core diamond bit - cutting speed - cutting speed chart plate - cutting speed control mechanism - cutting speed for milling - cutting speed indicator - cutting spindle - cutting stretch - cutting stroke - cutting stroke drive - cutting surface - cutting table - cutting tap - cutting technology - cutting technology routine - cutting teeth - cutting temperature - cutting test - cutting the loop - cutting-through of a tunnel - cutting thrust - cutting thrust force - cutting time - cutting-time monitor - cutting tip - cutting to a shoulder - cutting to length - cutting to size - cutting tool - cutting tool assembly - cutting tool body - cutting tool cartridge - cutting tool collet - cutting tool contact indicator - cutting tool control macro - cutting tool data - utting tool edge - cutting tool engineering - cutting tool force - cutting tool holder - cutting tool industry - cutting tool insert - cutting tool lubricant - cutting tool materials - cutting tool measurement system - cutting tool outlet - cutting tool technology - cutting tool with inserted blades - cutting tooth - cutting torch - cutting torque - cutting-type core drilling bit - cutting-type drilling bit - cutting unit - cutting up - cutting-up line - cutting value - cutting waste - cutting wear - cutting wedge - cutting wheel - cutting wheel carrier - cutting width - cutting-winning machine - cutting with preheating - cutting work - cutting zone - abrasive cutting - abrasive cutting-off - abrasive waterjet cutting - accretion cutting - across cutting - adaptive control cutting - air-arc cutting - air plasma cutting - angle cutting - approach cutting - arc cutting - arc-oxygene cutting - back-off cutting - bottom cutting - burrless cutting - cable cutting - cam cutting - carbide cutting - carbon-arc cutting - cleaning cutting - climb cutting - composite cutting - consecutive tool cutting - creep cutting - cross-cutting - cryogenic cutting - curved cutting - 2D profile cutting - 3D profile cutting - deep cutting - deskill cutting - diagonal cutting - diamond cutting - double cutting - double-roll cutting - double-roll tooth cutting - drill cuttings - dry cutting - ED cutting-off - ED wire cutting - edge cutting - electric arc-gas jet cutting - electrochemical hole cutting - electrochemical wire cutting - electroerosion cutting - end cutting - fabric cutting - finishing cutting - flame cutting - flux injetion cutting - form cutting - form tooth cutting - friction cutting - fusion cutting - gas cutting - gas metal cutting - gas-shielded arc cutting - gas-shielded tungsten-arc cutting - gas tungsten cutting - gear cutting - grass cutting - groove cutting - guided hand cutting - hand cutting - heavy cutting - high-pressure water-assisted cutting - hoisting and drilling load cuttings - hydraulic cutting - hydrogene cutting - in-line cutting - inserted carbide cutting - internal cutting - internally fed wet cutting - interrupted cutting - irregular depth cutting - keyway cutting - lance cutting - laser cutting - lateral cutting - length cutting - light cutting - little-and-often cutting - low-rpm cutting - machine cutting - manual air-plasma jet cutting - measure cutting - metal cutting - metal-arc cutting - metal powder cutting - miter cutting - multipass cutting - multiple milling cutting - multiple thread cutting - multitool cutting - oblique cutting - orthogonal cutting - oxy-arc cutting - oxygene-arc cutting - oxy-fuel cutting - oxy-fuel gas cutting - oxyacetylene cutting - oxyacetylene flame cutting - oxygen arc cutting - oxygen assisted laser cutting - oxygene lance cutting - oxyhydrogen cutting - oxy-propane cutting - part cutting - percussion cutting - peritheral cutting - pipe cuttings - plasma arc cutting - plasma flame cutting - plasma-jet cutting - playback laser cutting - plunge cutting - press cutting - polygon cutting - polygonal cutting - profile cutting - punch cutting - railway cutting - right-angle cutting - rotary cutting - rough cutting - round cutting - sample cutting - screw cutting - scroll cutting - see-saw cutting - setable minimum cutting - shape cutting - shear cuttings - shear-speed cutting - shielded metal arc cutting - side cutting - sideways cutting - single-pass cutting - single-point cutting - single-point thread cutting - skip cutting - slice cutting - solid cutting - spark cutting - spiral cuttings - spiral-bevel-gear cutting - spur-gear cutting - stack cutting - steel cuttings - straight line cutting - taper cutting - thermal cutting - thread cutting - tooth cutting - torch cutting - transverse cutting - tungsten-arc cutting - two-way cutting - ultrasonic cutting - up cutting - waterjet cutting - waterjet-assisted mechanical cutting - wet cutting - wire cutting -
11 four
четыре; группа или набор из четырёх предметов; pl. четырёхцилиндровый автомобиль; четырёхцилиндровый двигатель- four-ball machine - four-ball tester - four-bar linkage - four-bar mechanism - four-bar motion - four-barrel carburetor - four-barrel engine - four-bearing - four-bladed fan - four-bolt joint - four-boss breaker cam - four-bottle runner - four by four - four-by-four vehicle - four-by-two vehicle - four-car articulated set - four-chamber - four-channel antilock brake system - four corners - four-crank press - four-cycle - four-cycle diesel engine - four-dimensional interval - four-dimensional momentum - four-door - four-engined - four face column - four-foot way - four-high - four-jaw chuck - four-jawed - four-jawed chuck - four-jet turbine - four-lane - four-lane highway - four-lane road - four-layer - four layers hose - four-leg crossroads - four-leg junction - four-leg sling - four-legged intersection - four-level - four-part alloy - four-piece rim - four-piece wheel - four-pin driven nut - four-pin plug - four piston calliper disk brake - four piston disk brake caliper - four-pocket hydrostatic bearing - four-point - four-point ball contact in roller bearing - four-point bend - four-point bending - four-point control method - four-point loading - four-point probe - four-point suspension press - four-point press - four-pole - four-port valve - four quadrant detector - four quadrant operation - four-range - four-recess hydrostatic bearing - four-roll bending machine - four-roll forming machine - four-row - four-rowed - four-seater - four-sheave crownblock - four-sheave traveling block - four-sided trunnion fixture - four-speed - four-square scraper - four square setup - four-stage - four-stage blower - four-stage compressor - four-stage supercharger - four-start worm - four-strand chain - four-stroke - four-stroke cycle - four-stroke-cycle diesel - four-stroke diesel - four stroke engine - four-support cross-bar - four-throw crankshaft - four tube core - four unit sliding door - four velocity - four-way - four-way control valve - four-way directional control valve - four-way power seat - four-way socket wrench - four-way valve - four-wheel - four-wheel drive transmission - four-wheel drive truck - four-wheel drive vehicle - four-wheel steering - four-wheel truck - four-wheeled - four-wheeled wagon - four-wheeler - four-wire cable -
12 inertial
инерциальный; инерционный; центробежный- inertial accumulator - inertial cluster - inertial coefficient - inertial coordinate system - inertial drift - inertial dynamometer - inertial field - inertial force - inertial frame - inertial instability - inertial interaction - inertial intercoupling - inertial interval - inertial load - inertial loading - inertial mass - inertial motion - inertial oscillations - inertial reel - inertial self-excitation - inertial sensor - inertial separator - inertial settling - inertial system - inertial torque - inertial vibration exciter - inertial wheel dynamometer - inertial space -
13 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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