aim. aeye. vee. varg 242

 yeh hangri raajya railway kaa ack 4-4-4 tii bhaap injan thaa. kewal chaar udaharanon kaa ack chhota varg, way 1936 aur 1939 key beach banaae gaye they. way atyadhik asamanya they kyonki way suvyavasthit tank injan they.
design.
pratham vishva yuddh key baad hangri railway kii sthiti kharaab thee. 1920 key dashak key anta aur 1930 key dashak kii shuruat mein hue mahamandi key saath, way anya deshon mein vikas seey peechhe reh gaye they. haalaanki 1930 key dashak key madhya taka, ack tej express seva kii maang thee. hangri kii maang ack express locomotive kii thee joe tej hogi, jisaki design gati adhik hogi, lekin patariyon kii sthiti key kaaran aur 4-5 coach trains kii chalane kii doori aur train kaa vajan apekshaakrit cumm honey key kaaran, yeh abhee bhee sambhav hoga kii yeh chhota aur halka hoe. dinn key fashion key baad, locomotive koo suvyavasthit kiya jaanaa thaa.
vishesh roop seey ack nivida key bajaay ack tank locomotive key upayog key saath, 4-4-4 t kii samamit chakr vyavastha koo kissy bhee disha mein uchch gati seey chalane kii anumati dene key liye chunaa gayaa thaa, binaa ack turntable parr locomotive koo ulatane kii aavashyakta key. yeh upnagariya yatri sevaaon key liye lagbhag 1900 key 2-4-2 t key pahale key abhyaas kaa paalan curr rhaa thaa, halanki unake tattu trucks koo teji seey chalane kii anumati dene key liye dibbon dwara pratisthaapit kiya gayaa thaa. 1930 key dashak key express injanon key liye, halanki, samaan dee. aar. jee. varg 61 kii tarah, stations parr baari-baari key samay koo cumm karane kaa irada thaa, bajaay turntable key chhote stations parr upayog key.
ack tej express key liye chaar-yugmit pahiyon kaa upayog iss samay taka asamanya thaa, kyonki atlantic vyavastha, uchch gati key liye chaar-pahiya agrani bogi key saath ack chaar-yugmit nivida locomotive, abb taka badey paimaane parr badey prashant dwara pratisthaapit kiya gayaa thaa. ack apavaad thaa usee avadhi kaa yuu. aiss. "hiyawatha", ack 4-4-2. halanki yuu. aiss. track loading adhik thee, aur iss locomotive mein hangerian design seey doguna driving axel loading thaa. apekshaakrit cumm aavashyak seema key saath, varg 242 ack tank locomotive honey kaa jokhim uthaa sakata thaa, bhale hii isase paani aur eendhan kii kshamata cumm hoe gaee hoe. ack nivida key vajan aur ack badee eendhan kshamata seey bachane seey, axel loading koo aur cumm curr diyaa. inn badhee hui gati aur injan mein hii break bhaar kii kamee key kaaran aavashyak ack aadhunik visheshta, poore train mein nirantar break lagaane mein sudhaar kiya gayaa thaa, sampeedit vayu break dwara norr pranali mein.
jaisa kii vishisht hangerian abhyaas thaa, pahale dou injanon koo steel key firebox key saath banaaya gayaa thaa. purvi europeeya koyale key uchch raakh utpaadan seey nipatane key liye, ack chattan kaa katora lagaaya gayaa thaa. baad key dou injanon mein steel key saath daraar kii samasyaon key kaaran tambe key firebox lagaae gaye they. iss varg koo safal maanaa jaataa thaa, halanki dwiteeya vishva yuddh kii chhaaya kaa matlab thaa kii aage koee udaaharan naheen banaae gaye they, bhale hii 1941 taka hangri yuddh mein pravesh naheen curr paaee thee.
suvyavasthit karna.
elner varg aeye4 key saath, varg ney apani samagr suvyavasthit seva koo banaae rakhaa, lekin rakharkhaav key liye chalane vaale gear taka pahunch mein sudhaar key liye baad mein nichale valence koo adhik kaat diyaa gayaa.
seva.
injanon kii delivery safal rahee aur unhone achchha pradarshan kiya. unaki 120 kimmy/ghanta kii gati aasaani seey praapt kii gaee thee, joe usa samay seva mein anya trains kii tulanaa mein kimmy/ghanta adhik tej thee. unaki sawari kii gunavatta vishesh roop seey nott kii gaee thee, donon dishaaon mein uchch gati parr sucharu aur sthir thee. 
berlin-hamberg railway kii uchch gati vaali chalane vaali lines parr parikshanon mein, jiska upayog "flying hamberger" seva key liye bhee kiya jaataa haye, unhone hassil kiya.
unaki mukhya seva budapest seey thee aur chhoti miscolk-cos line bhee thee, joe unaki koyla kshamata kii seema key bheetar honey key liye paryaapt thee. baad key varshon mein way budapest seey beharkerezt taka khand parr bhaari unmukh express koo kheenchane key liye dohare sir vaale they.
1961 mein, 242.002 kaa upayog nae rolling stock kaa pareekshan karane aur hangerian bhaap karshan key liye ack gati record sthaapit karane key liye kiya gayaa thaa.
sanrakshan.
ack udaaharan, 242.001, jeevit haye. kuchh varshon taka ack udyaan mein sthir pradarshani key baad ise 2002 mein hangerian railway sangrahalaya key hisse key roop mein chaalu crum mein bahaal kiya gayaa thaa aur utsaahi vishesh trains key liye upayog mein haye.

