
lner thampson class eah1/1

lner class eah1/1loe oke 4-6-2 "pasiphik" express passenger locomotive undhi, dheenini 1945loe edward thampson dwara eah1 class locomotive nundi punarnirminchaaru. idhi thampson yokka puurveekudu surr nigel greysley yokka eah4 roopakalpananu merugupariche pasiphik locomotivela kotta roopakalpana yokka namoonaga uddesinchabadindi. 1946loe thampson padavee viramana kaaranamgaa marinni udaaharanalu nirminchabadaledu.
nepathyam.
edward thampson 1941 eprillo london mariyu eshaanya railway yokka cheef mechanical injaneergaa niyamitulainappudu, rendu pasiphik rakaalato sahaa padhi locomotive designlatho kuudina kotta praamaaneekarana karyakramanni ayana oohinchaaru. ivi driving chakraalatho kuudina express prayaaneekula rakam (eah1 gaa niyaminchabadinavi) mariyu driving chakraalatho kuudina 'bhaarii prayaaneekula rakam mariyu saruku ravana rakam (eah2 gaa niyaminchabadinavi). rendava prapancha yuddham kaaranamgaa athanu thana pranaalikatoe munduku sagalekapoyadu, conny neegel greysley yokka p2 taragati 2-8-2 nuu a2/2 saantivignaanigaa punarnirminchadam dwara mariyu ippatike a2/1 saantivignaanigaa kramamlo unna chivari naalugu v2 taragatini nirminchadam dwara thana aalochanalalo konnintini prayatninchaadu. chivariki 1944 joolailo thampson thana kotta eah1 taragati roopakalpanapai pani praarambhinchaadu, indulo iravai samvatsaraalaku paiga greysley pasiphik locomotivela abhivruddhi nundi neerchukunna pratidee, punarnirminchina pii2 mariyu eah2/1 yokka nirmaanam mariyu operation unnaayi. thamsonku greysley eah10 mariyu eah3 taragatulanu kotta vivaranaku punarnirminchaalane korika ledhu, endukante avi saiman eah thoo kuudina lenner locomotive naukaadalamloo mukhyamaina bhaagam anie athanu nammadu.sii. martin oo anie suuchistunnaaru.ess. lner kosam tayaaru chesina nock karapatram alaa suuchimchi undavacchu. kotta designu prayatninchadaaniki eah1 taragatiki chendina migili unna greysley shanti nirmaanaalalo okadaanni punarnirminchaalani ayana bhaavinchaarani kontamandi vyaakhyaatalu vishwasinchaaru.
design.
thampson yokka eah1/1 design, madhya silindertho vibhajinchabadina drivenu avalambinchadam dwara athani munupati designlaku bhinnamgaa undhi, ikkada lopali anusandhaana raad bayati raadku bhinnamaina podavu kaligi untundi, samaana podavutho anusandhaaninche raadlu mariyu tadupari valve sanghatanalu andinche oohinchina prayojanaalanu vismarinchaayi. idhi greysley pii2ess kante ekkuva podavugaa, wheelbase thoo podavaina roopaanni ichindi.
tudi roopakalpanalo moodu swatantra setla walshert valve gerku anukuulamgaa lopali greysley conjugated valve gernu tolaginchaaru. rekhaachitram nem. upayoginchi aaviri utpatti cheyabadindi. greysley eah4 locomotivelalo upayoginchina 107 boiler, eah4 framela vadakam avasaramaindi. punarnirminchina pii2 locomotivelu erpaatu chesina abhyasam aadhaaramgaa smokebox jagrattagaa abhivruddhi cheyabadindi. thampson greysley abhivruddhini double kail chaap chimney mariyu athani draffing amarikatho anusarinchaadu. bhadrata samasyala kaaranamgaa, greysley eah3 maadirigaane mariyu athani bii1 locomotivela parimaanamlo, flat front cablu mariyu cab floorlaku kooda tirogamanam jarigindi. locomotive mundu bhaagamlo vidyut laiting mariyu keelu disclu amarchabaddayi.
punarnirmaanam.
ledhu. 4470 "grate northern", mottamodati greysley pasiphik, bhavishyat samrakshana kosam unchakunda eee punarnirmaanam kosam empika cheyabadindi. eee empikaku gala kaaranampai chaalaa charchalu jarigaayi. greysley patla thana vyaktigata bhavalanu thana teerpunu masakabaarchadaaniki thampson anumatinchaarani kondaru nindinchaaru. oo. ess. nock dheenini 'cme, mariyu sii gaa thana chinna mariyu tuphaanu kereerlo atyanta niraasaparichina mariyu vyuuharahita charya' gaa abhivarninchaaru. zhe. allen ilaa paerkonnaadu, 'athanu daanini thana samaadhilo daani roopakartagaa maarchinanta bhayankaramaina roopaanni kaligina yantramgaa marchadu.anie. 
saiman eah.sii. thampson kuu vyuuham ledani, railway sibbandini "grate northern" thoo anusandhaninchadaanni tappugaa chadivaarani, locomotive empika thana nirnayam kaadani, locomotive running superintendent nirnayam anie martin nammutaaru. atuvanti nirnayam pratipaadita locomotive vayassu, ippati varaku mottam mileage, gatha shopping nundi mileage mariyu mottam paristhiti aadhaaramgaa undedi. grate northern" paie panichestunna draftsman divangata richard hardy, cheef draftsman teddy windle thampsontho nirasana vyaktam chesi unte, adhi thana nirnayam kaadani thampson samadhanam ichhevaadani paerkonnaadu. modati gressy pasifikgaa, "grate northern" 1922 nundi sevalo undhi mariyu empika samayamlo konugolu cheyabadutondi, anduvalla daani empika. 
eah1 namuunaa express passenger locomotivga mariyu yuddhakaalapu kaatinyam charyala kaaranamgaa anukuulata lekunda ippatike unna locomotive punarnirmaanamgaa vargeekarinchabadindi. ayithe, driving chakralu, venuka cartagy bhagalu, tender framelu mariyu chakralu vanti asalu locomotive yokka chaalaa parimita mottaanni punarnirmaanamlo unchaaru. gressy eah10 yokka boiler mariyu asalu framenu vidibhaagaala poollo unchaaru, framelanu punaruddharinchi maroka locomotivelo tirigi upayoginchaaru. 
punarnirminchina locomotive septembaru 1945loe tenderlo "neey" thoo double redd liningtho grate eastern railway prashyan bluelo trafficlo kanipinchindi, bahusha lnarnu roopondinchina naalugu pradhana railvelalo moodintiki pratyaksha nivaaligaa, ayithe etuvanti vraatapuurvaka kaaranam, suuchana ledhaa notice ivvabadaledu. locomotivenu eah1gaa vargeekarinchagaa, greysley yokka eah1 taragatiki chendina migilina padahaaru lokomotivlanu eah10gaa tirigi vargeekarinchaaru. 
kotta eah1 taragati sabhyulandarinee kramabaddheekarinchadaaniki kooda pranaalikalu unnaayi, conny ivi eppuduu amalu cheyabadaledu, yuddhakaalapu kaatinyam charyala kaaranamgaa lner emergency borduku kramabaddheekarinchadaaniki adanapu padaartha avasaranni aamodinchaleni taarkika drushtaantam erpadindi.
kotta-billed class A1.
1945 octoberulo, kotta eah1 pranaalikaku padahaaru kotta lokomotivlanu nirminchaalani uttarvu ivvabadindi. ayithe, veetini nirminchadaaniki mundhe thampson padavee viramana chesi, orther pepper corn cmega baadhyatalu sweekarinchi, 1948 varaku vaatini nirminchadaanni vaida vaesaadu, appatiki athanu pepper corn class eah1 pasiphik designga marchadu. 1947loe "grate northern", appati varaku adhikarikamga yea1 taragatigaa niyaminchabadina taragatiloni ekaika sabhyudu, eee kotta pepper corn yea1esnu oohinchi yea1/1 taragatigaa tirigi vargeekarinchabadindi.
sevalo a1/1.
punarnirminchina locomotive A4 boilernu upayoginchadam valla adbhutamaina aaviri utpattini kaligi undhi mariyu idhi oka tractive prayatnam kaligi undhi, idhi lner lopala atyanta saktivantamaina shanti sadhanalalo okatigaa maarindi, greysley A4nii adhigaminchi, daanini kevalam A2/2 matrame adhigaminchindi. adhe samvatsaramlo kevalam moodu pani nelalatho, scatlandlo panichese eah4 lokomotivlatho poliste, idhi injin maillanu saadhinchindi, idhi aaa samvatsaram atyadhika mailejeeni kaligi undhi mariyu sagatuna undhi.
idhi taruvaata atyadhika myelegy pasifikgaa maarindi, vaarshika sankhyatho, tadupari uttama gressy pasifiknu daadaapu adhigaminchindi. jaateeya railway museumloni lner archivela nundi vacchina injin report kaardulu greysley eah4ess mariyu pepper corn eah1ess latho saripolutu, "grate northern" yokka punarnirminchina roopam samvatsaraaniki saadhinchinatlu choopistundi.
daani migilina pani jeevitamlo, "grate northern" daani modati pani samvatsaram, 1946 thoo, 83 saataanni saadhinchadamtho, lnarlooni itara pasiphik taragatula kante gananeeyamgaa ekkuva labhyatanu saadhinchindi. idhi paakshikamgaa greysley locomotivela madhya nirvahana vidhaanamlo vyatyaasam kaaranamgaa undhi, ivi tarachugaa viphalamayyayi, ayithe thampson paciphics nivaarana nirvahananu kaligi undhi mariyu adhika labhyatanu korukunnayi. 
punahsankhyeekarana.
"grate northern" nem. thampson yokka 1946 reembering pathakam kinda 113. appudu adhi ledhu ayyindi. 60113 british railway yajamanyam samayamlo.
upasamharana.
1962 november 19naa 60113nuu chedugaa debbatinna silindertho upasamharinchukoni, taruvaata dancaster panulalo vichchinnam cheyabadindi. daani upasamharana samayaniki, "grate northern" anni thampson shanti saadhanaala nundi atyadhika mailejeeni saadhinchindi mariyu pani kosam mottam labhyata paramgaa uttama locomotivelalo okatigaa undhi. injin scrap kakunda kaapaadataaniki chesina prayatnam viphalamaindi.
namuunaalu.
pii. dii. keey. namuunaalu 4 mimi scale/oooo gaze kosam eah1/1 yokka kitnu utpatti chestaayi.