
shimushu-shreni kaa anurakshak jahaaj

dwiteeya vishva yuddh seey thheek pahale shaahi japani nausena key liye nirmit "cabcan" (us distroyer escorts yaa british frigate key barabar) kaa ack varg thaa. shuru mein niyojit 16 jahaajon mein seey chaar jahaajon koo puuraa kiya gayaa thaa. varg koo aantarik japani dastavejon dwara bhee sandarbhit kiya gayaa thaa.
prishthabhoomi.
tarpedo naav key saath "shimushu"-varg "cabocan", 1930 kii landan nausena sandhi kaa ack parinam thaa, jisane kull vidhvansak tunn parr seemaaen lagaa deen, shaahi japani nausena koo anumati dee gaee thee. sandhi koo darkinar karane kaa ack tarika sandhi mein ack khamiyon kaa upayog karna thaa, jisamen 600 aur 2,000 tunn key beach key jahaajon kii anumati thee, jisamen 76 mimi seey adhik chaar bandooken naheen theen, koee torpedo naheen thaa, aur 20 samudri meal seey adhik kii adhikatam gati naheen thee. iss kamee kaa upayog karane key liye pott key ack nae varg koo design kiya gayaa thaa, aur ise "cabcan" ("kaaee" = samudra, mahasagar, "bow" = raksha, "kaana" = jahaaj) kaa aprachalit padnam diyaa gayaa thaa, jiska upayog pahale aprachalit yuddhpoton koo naamit karane key liye kiya gayaa thaa jinhen tateey raksha kartavyon key liye phir seey saunpa gayaa thaa. haalaanki, kaee anya prathmiktaon key kaaran, iss nae varg key liye bajat 1937 key teesare nausena hathiyar poorak karyakram taka surakshit naheen thaa.
design.
pariyojana kii cumm prathamikta key kaaran, "shimushu"-shreni key design koo ack niji firm, mitsubishi bhaari udyogon koo upa-anubandhit kiya gayaa thaa. shaahi japani nausena kaa uddeshya ack saral design thaa jisaki praathamik bhoomika doorasth aur upa-archtic kurail dweepon kii gasht aur matsya paalan sanrakshan thee, joe vartamaan mein uchch prathamikta vaale missions key liye iss bhoomika key liye upayog kiye jaane vaale vidhvansakon koo mukt karega. nae varg kii maadhyamik bhoomika minesweeping honey thee, aur kafile key anurakshan koo ack chhoti teesari prathamikta maanaa jaataa thaa.
haalaanki, mitsubishi dwara vikasit design shaahi japani nausena key anuman seey adhik jatil thaa, jisamen ack dohare-ghumaavdaar dhanush aur ack purvanuman deck thaa jisane ubad-khabad uttari samudron mein samudri yogyata mein sudhaar kiya. patwar koo bhee thandaa mausam key khilaf majboot aur insulate kiya gayaa thaa. iska parinam yeh huaa kii yeh design poorv-nirmaan yaa badey paimaane parr utpaadan key liye upayukt naheen thaa, aur nirmaan key samay ney samasyaaen paida keen jaba prashant yuddh kii shuruat key baad thode samay mein adhik jahaajon kii aavashyakta thee.
jahaajon koo samagr roop seey maapa gayaa, ack beam aur ack draft key saath. way maanak bhaar aur gahare bhaar parr visthaapit hue. jahaajon mein dou deejal injan they, jinamen seey pratyek ack propeller shaft chalaata thaa, jise kull gati key liye mulyankan kiya gayaa thaa. jahaajon kii gati kii ack seema thee.
shimushu"-varg apane aakar key liye achchi tarah seey sashastr thaa. shimushu" varg key mukhya shastragar mein teen prakaar kii 3 bandooken ack hii mount mein, ack superfiring jodee peechhe aur ack mount aage kii oopari sanrachana mein shamil thee, joe puraane vidhvansakon seey lii gaee thee. pratyek beam parr dou paraven dwara minesweeping kii bhoomika poori kii gaee thee. 18 prakaar key 95 gaharaai shulk key saath aeye. aiss. doubleu. kii bhoomika poori kii gaee thee, lekin maee 1942 mein ise doguna curr diyaa gayaa thaa jaba minesweeping gear koo hataa diyaa gayaa thaa aur ack prakaar 93 sonar sthaapit kiya gayaa thaa. pandubbi rodhi hathiyar baad mein ack prakaar key 97 trench mortar aur chhah gaharaai charge fenkane vaalon key saath 60 gaharaai key charge taka badh gaye. 
pull key paas dou dou-bandookon mein chaar prakaar kii 96 vimaan-rodhi bandookon dwara vimaan-rodhi suraksha thee. baad mein agast 1943 taka yeh badhaa diyaa gayaa jaba dohare-parvaton koo teen-parvaton dwara pratisthaapit kiya gayaa, aur ack atirikt teen-parvat, pull key saamane ack aur dhuein key dher key peechhe dou jode gaye. 1943 mein ack prakaar 22 radar aur 1944 mein ack prakaar 13 bhee sthaapit kiya gayaa thaa.
parichaalan seva.
uttari jall mein sanchaalan key liye design kiye jaane key bavjood, varg key pramukh pott kaa upayog mukhya roop seey dakshini jall mein kafile key anurakshan key liye kiya jaataa thaa. vaha yuddh seey butch gaee aur soviyat nausena koo yuddh key puraskar key roop mein diyaa gayaa, joe 1959 taka uska upayog karna jaari rakhaa. 1944 mein ack pandubbi dwara duba gayaa. aur uttari prashant mein seva kii, aur donon koo yuddh key anta key baad samaapt curr diyaa gayaa.
varg mein jahaaj.
1937 mein teesare nausena shastra poorak karyakram key tahat chaar jahaajon koo #9 seey #12 jahaajon key roop mein adesh diyaa gayaa thaa.