pioneer III

pioneer III railkar ack chhoti/madhyam doori kii coach thee jise 1956 mein vajan bachat parr jore dene key saath dost company dwara design aur banaaya gayaa thaa. ack ekal prototype banaaya gayaa thaa, lekin rail yatri yatayat mein girawat key parinamswarup order kii kamee hui isaliye dost ney ack vidyut bahu ikai (aim.yuu.). emu coach design key chhah koo pensylvania rail maarg dwara ack uchch gati vaale swa-nihit coach key roop mein upayog karane key iraade seey kharida gayaa thaa jiska upayog uttar-poorv yuu mein lambi doori key yatri yaa cumm doori kii antar-shahar yatra key liye kiya jaa sakata thaa.aiss. 6 utpaadan agrani III ikaaiyaan uttar america mein nirmit pahali poori tarah seey-steel-boddy vaali eemu railkar theen aur, sabse halki.
halka coach.
pioneer III lightwaite coach (dost crum sankhya 3880) 1956 mein puuraa kiya gayaa thaa aur dost company dwara ise ack meal key patthar utpaad key roop mein dekhaa gayaa thaa joe yatri railkar bajar mein kranti laa sakata thaa. iss mulyankan koo dhyaan mein rakhate hue, pioneer III naam koo dost pioneer steinless steel vimaan aur pioneer zefir lightwaite trainset key sandarbh mein chunaa gayaa thaa. coach koo madhyam yaa cumm doori kii antar-shahar yatri yatra key liye design kiya gayaa thaa, jisamen vajan bachaane parr atyadhik jore diyaa gayaa thaa. yeh bhaap aur yaantrik pranaliyon key sthaan parr vidyut train garmi aur vatanukoolan, uchch gati vaale inboard assar vaale trucks key upayog key madhyam seey puuraa kiya gayaa thaa joe bhaari springs key bajaay vayu nilamban kaa upayog karate they, poori tarah seey susajjit "lounge" shally key bajaay ack airline-shally kaa bathroom aur ack patali nalidar steel carbody. parinam yeh huaa kii ack aisee kaar kaa vajan kewal itna thaa kii usa samay kii atyaadhunik "halki" steel kii kaaron kii lagbhag aadhi matra kaa nirmaan dost dwara kiya jaa rhaa thaa. 2 + 2 baithane kii vyavastha mein 88 yaatriyon kii kshamata key saath, agrani III coach ney vajan-seey-yatri anupaat hassil kiya, joe una dinon seey naheen dekhaa gayaa jaba yatri kaaron koo lakadi seey banaaya gayaa thaa. durbhagya seey, yeye ullekhaniya aankade aaraam kii keemat parr poore kiye gaye, kyonki yaatriyon koo usee varg key anya dibbon kii tulanaa mein kaafee cumm legroom aur ack uchhaal vaali sawari pradaan kii gaee thee.
pioneer III coach avadharana ney ack pradarshak ikai key roop mein kaee uttar americi railmargon kaa daura kiya, lekin rail yatri yatayat mein samanya girawat key kaaran nae rolling stock mein bahut cumm ruchi thee, vishesh roop seey ack joe ack nae aur apramaanit model kaa pratinidhitva kartaa thaa.
vidyut bahu ikai.
pioneer III coach key liye koee kharidar naheen dhoondhate hue, dost ney pratyek chhor parr ack pranodan pranali aur ack vestibule prakaar kii operating cab fitt karke yatri sanchaalan key liye ack vidyut bahu ikai mein design parr phir seey kaam kiya. pensylvania railroad key aim. pee. 54 upnagariya myu key teji seey puraane bede ney railroad koo 1958 mein 6 pioneer yaani 3 myu kaa order dene key liye prerit kiya. lambai aur chaudaai mein motey taur parr maapane key liye, pioneer yaani 3 coach pensylvania railroad dwara apane pramukh newyork shahar-washington, dee key liye upayog kiye jaane vaale steinless steel kochon seey milata-julata thaa.see. aur newyork shahar-shikago sevaayen. pioneer III parr baithane kii jagah 3 + 2 vinyas mein 25 kii dou panktiyon mein thee. sabhi aim kii tarah.yuu. coach, pioneer III ekal-kaar train key roop mein yaa kull chhah kaaron key saath chalane mein saksham thaa, joe yaatriyon kii sankhya parr nirbhar kartaa thaa. pioneer III kaar kii gati kaa vigyaapan kiya gayaa thaa, lekin vaastavik sanchaalan mein isake nukile aakar (tanga taalaa) yugmakon key aspas kii gati seey chalaa, joe kii lambi doori kii trains mein paae jaane vaale samaan they, pioneer III kochon koo rakharkhaav key liye paoli yaa wilmington mein dukaan suvidhaon mein leey jaane kii anumati dee gaee. mool sankhyaaen 150-155 theen, jisamen summ-sankhya vaali kaaron mein mangadhant truck frame aur disk break they, jabaki visham-sankhya vaali kaaron mein steel truck frame aur trade break they. 
kaaron ney krantikari kaa upayog kiya, aur upayukt roop seey naamit, dost pioneer III truck, joe ack halka, inboard railroad bogi thaa jise uchch gati sanchaalan key liye design kiya gayaa thaa. iss truck mein apane baad key silverliner crum parr dost dwara nirantar upayog dekhaa jaayega, saath hii saath lambe dweep rail road aur metro uttar, patco rapid transit kaaron aur amtrack amphlete kaaron dwara aadeshit kiya jaayega, jahaan way gati taka kaam karenge. agrani III kaaron ney thodaa alag daaen konn gearbox kaa upayog kiya (bahut safal dost-nirmit ptc aim-3 pargaman kaaron seey anukoolit) adhik samanya paarshv sthaan key bajaay axel key liye ack daaen konn parr karshan motors koo sett kiya. ack badey karshan motor kii aavashyakta key parinamswarup silverliner II design mein adhik paaramparik leout mein parivartan huaa.
heere key aakar key pantograph seey bijli ekatra kii gaee thee, aur niyantran pranali mein paaraa chaap ignitron tubes dwara sanchaalit ack assie/dc rectifier seey judaa ack step-down transformer shamil thaa. dee. see. output koo phir ack camshaft motor niyantrak mein daala gayaa joe sucharu twaran key liye pradaan kartaa thaa. koee gatishil breaking pranali naheen luggy thee. 1961 mein paaraa chaap nalikaon koo silicon diode rectifiers dwara pratisthaapit kiya gayaa thaa.
karshan ghatakon kii roshni key saath agrani 3 design key patale steel kaar boddy aur anya tatvon key parinamswarup agrani 3 myu kaaren uttar america mein utpaadit sabse halki aul-metal electric multiple unit railroad yatri kaaren hain. durbhagya seey chhote karshan motors aur cumm kshamata vaale mukhya transformer key saath vishvasaniyata aur pradarshan key mudde they.
seva itihas.
halanki agrani III design apane samay key liye unnat thaa, parichaalan sirdard aur upalabdh upalabdh locomotive-dhaale gaye dibbon kii ack taiyar dhaara ney lambi doori kii yatri seva mein agrani III dibbon koo samay seey pahale samaapt curr diyaa. 1963 mein, philadelphia kshetra mein yatri rail seva mein sudhaar key prayaas key hisse key roop mein, pr ney pioneer III design key adhik unnat sanskaran key nirmaan key liye dost company key saath anubandh kiya. pioneer III koo ack model key roop mein upayog karate hue, nayaa "silverliner", jaisa kii steel myu coach koo kahaa jaataa thaa, agraduton seey bahut alag thaa. una sabhi key paas air springs aur disk break, adhik shaktishali traction motors, chhat kii roshni kii dou panktiyaan, behtar air-conditioning, ack swachaalit myu coupler kaa upayog thaa joe swachaalit roop seey samanya aar "nakal" design key alawa vidyut connection banaata thaa aur heere key aakar key pantograph key sthaan parr ack slicker tii-aakar (favely) pantograph thaa. 38 silverliner kaaren (201-219,251-269) prr key liye banaai gaee theen, jisamen 17 lagbhag samaan kaaren (9001-9017) padhane vaali company key liye usee crum mein tack kii gaee theen.
38 silverliner kaaron kii delivery lene key baad, pr ney agrani III kaaron koo intercity sanchaalan seey hataa diyaa aur unakaa upayog vishesh roop seey philadelphia-kshetra yatri seva parr kiya. 1967 mein, jaba septa aur pr ney sent seey dusare "silverliner" myu kaar order kii delivery lii. lui kaar company, pahali (1963) "silverliner" delivery "silverliner II" kaar bunn gaee aur 1967 kaa order, "silverliner III" bunn gayaa."halanki abhee bhee aadhikarik taur parr pioneer III kahaa jaataa haye, inn kaaron koo purvavyaapi roop seey" "silverliner i" "padnam diyaa gayaa thaa. paine central vilay key hisse key roop mein, kaaron kii sankhya bhee crum seey baahar, 294-299 taka badal dee gaee thee. usa samay taka, teen disk-break vaali kaaron, sabhi prr silverliner iis key saath, koo trade break key saath retrofit kiya gayaa thaa, jisase silverliner iis susajjit thaa.
samanya vidyut sankhya vaale pc 270-303 seey "silverliner IV" kaaron kii 1974-75 delivery key dauran, agraduton koo naee kaaron aur maujooda silverliner II aur III kaaron donon koo shamil karane vaale myu kaa ack thhos block banaane key liye 244-248 (usa samay taka 249 koo nasht curr diyaa gayaa thaa aur sevaanivritt curr diyaa gayaa thaa) kii sankhya mein badal diyaa gayaa thaa. 1987 mein kaee push-pull trainset aur aeye. ee. aim. 7 khareedane key baad, septa ney pioneer aaee. aaee./silverliner aaee kaaron koo sevaanivritt karane key liye paryaapt sankhya mein silverliner aaee. aaee. aaee. aaee. aaee. aaee. aaee. aaee. aaee. aaee. aur aaee. aaee. vee. aim. yuu. kaaron koo paaya. antatah 1 aprail, 1990 koo vasant samay sarini mein badalaav key saath sevaanivritti aaee, kyonki amtrack dwara yeh aavashyakta thee kii poorvottar galiyare parr sanchaalit sabhi injan aur swa-chaalit railkar ack nae prakaar key train niyantran seey susajjit houn, joe 1987 kii train takkar kaa parinam thaa. 2000 taka, kaaron koo wein junction key paas bhandaran mein rakhaa gayaa thaa. halanki kaaron koo locomotive-chaalit dibbon mein badalane kii yojana thee, septa ney antatah transformer mein pee. see. bee. aiss. seey nipatane key liye kharch aur aeye. dee. aeye. anupaalan kii kamee key kaaran bede koo nipataane kaa faisala kiya. 5 shesh agrani 3/silverliner 1 kaaron mein seey, teen kaaron koo durghatana parikshanon mein upayog key liye pueblo, colorado mein aar/fra pareekshan sthal parr bheja gayaa thaa, jabaki shesh dou kaaron koo strasberg mein pensylvania key rail sangrahalaya koo daan curr diyaa gayaa thaa. kaaren pareekshan sthal aur sangrahalaya mein bheji gaeen 
taba seey ise khatm curr diyaa gayaa haye.
gais turbine pradarshak.
1966 mein mitra company ney garrett aircerch key sahyog seey uttar america mein pahali gais turbine-sanchaalit railkar key aadhar key roop mein adhishesh agrani pradarshan coach kaa upayog kiya. jee. tii.-1 naam seey punah naamit coach koo lambi dweep rail sadak koo isaki gair-vidyuteekrit shakha lines parr pareekshan key liye bijalikaran kaa vistaar karane kii aavashyakta key binaa uchch gati myu sanchaalan pradaan karane key tareeke key roop mein aapoorti kii jaani thee. ekal pravesh dwaar koo ack dwaar-rahit taxi mein parivartit curr diyaa gayaa thaa, jisamen ack doosari, binaa darwaaje vaali taxi kaa nirmaan coach key "andhe" chhor parr kiya gayaa thaa. jee. tii.-1 mein ack yaantrik drive kaa upayog kiya jaataa thaa, jisamen gais turbine key output shaft koo ack yaantrik gearbox key madhyam seey driving pahiyon seey jodaa jaataa thaa. jee. tii.-1 kaa pareekshan sitambar, 1966 seey maee, 1967 taka liir parr kiya gayaa thaa.
1969 mein jee. tii.-1 koo shahari zana pargaman prashaasan seey praapt dhana kaa upayog karke ack sankar turbo-electric railkar mein punarnirmit kiya gayaa thaa, joe 4,150 aich. pee. karshan motors koo bijli pradaan karane vaale ack vidyut janitra key saath yaantrik drive koo pratisthaapit kartaa haye. jee. tii.-2 key roop mein phir seey vargeekrit, coach kaa uddeshya newyork pensylvania station key dayare mein gais turbine railkar sanchaalan kaa pareekshan karna thaa aur isaliye 700 vee. dee. see. teesari rail seey bijli kheenchane kii kshamata bhee dee gaee thee. jee. tii.-2 dee. see. chopper pranodan niyantran seey lais honey vaale pahale rail vaahanon mein seey ack honey key liye bhee ullekhaniya thaa. jee. tii.-2 vinyas mein pioneer III coach kaa pareekshan navambar, 1969 seey disambar, 1970 taka kiya gayaa thaa.

