galey lagaata haye th-55 osaz

huges tha-55 oces ack piston-sanchaalit halka prashikshan helicopter haye joe sanyukt raajya america kii senaa key liye nirmit haye. ise halke upayogita vaale helicopters key 269 parivaar key model key roop mein bhee nirmit kiya gayaa thaa, jinamen seey kuchh koo model 300 key roop mein vipanan kiya gayaa thaa. model 300see kaa utpaadan aur 1983 key baad schweiser dwara aage vikasit kiya gayaa thaa.
vikas.
1955 mein, hugg tool company key vimaan prabhaag ney ack bajar sarvekshan kiya jisamen dikhaaya gayaa kii cumm laagat vaale, halke dou-seat vaale helicopter kii maang thee. division ney sitambar 1955 mein model 269 kaa nirmaan shuru kiya. ise shuru mein dou pilots, yaa ack pilot aur yatri key baithane key saath poori tarah seey chamkile cockpit key saath design kiya gayaa thaa. isamen ack khula framework dhad aur teen-blade vaalaa articulated rotter bhee thaa. prototype ney 2 octuber 1956 koo udaan bharee, lekin 1960 taka utpaadan key liye helicopter vikasit karane kaa nirnay naheen liya gayaa thaa. mool trus-work telboom koo ack tubeler telboom seey badal diyaa gayaa thaa aur cockpit koo utpaadan mein daalane seey pahale punargathit aur parishkrit kiya gayaa thaa, jisake parinamswarup model 269aeye huaa. iss model key saath, galey lagaane vaalon ney ack vimaan key saath nagrik helicopter bajar key ack badey hisse parr safaltapurvak kabja curr liya joe khud koo krishi, pulis key kaam aur anya kartavyon mein lokpriya saabit karega.
design.
269 key hugs koo drago jovanovic dwara design kiye gaye ack poori tarah seey spasht, teen-blade mukhya rotter aur dou-blade tail rotter key saath design kiya gayaa thaa joe isake sabhi roopon kii vishisht visheshtaon key roop mein banaa rahega. isamen shock absorber-damped, skid-type landing gear bhee haye. udaan niyantran seedhe helicopter key swashplate seey judey hotey hain isaliye 269 mein koee hydrolic system naheen hotey hain. aam taur parr niyantran key dou sett hotey hain, halanki yeh sivil 269aeye parr vaikalpik thaa. teen seeton vaale vimaan key liye, beach kii saamoohik niyantran chhadi hataane yogya haye aur teesare yatri key liye isake sthaan parr ack seat kushan rakhaa jaa sakata haye.
parichaalan itihas.
1958 mein, purnakaalik utpaadan seey pahale, hugs ney yuu koo paanch poorv-utpaadan model 269aeye udaaharan pradaan kiye.aiss. umr badhane vaale oh-13 seox aur oh-23 kauve koo badalane key liye ack halke avalokan helicopter key roop mein mulyankan key liye senaa. सेना। key roop mein naamit helicopter koo antatah aswikar curr diyaa gayaa thaa. 9 aprail 1959 koo, 269aeye koo aff. aeye. aeye. seey pramanan praapt huaa. nagrik utpaadan parr dhyaan kendrit karna jaari rakhaa, aur 1961 mein model 269aeye kii delivery shuru hui. 1963 key madhya taka lagbhag 20 vimaanon kaa ack maheene mein utpaadan kiya jaa rhaa thaa aur 1964 key vasant taka, 314 kaa nirmaan kiya jaa chuka thaa.
jabaki yuu.aiss. senaa ney yuddh missions key liye 269aeye model koo paryaapt naheen paaya thaa, 1964 mein isane isane badalane key liye apane prashikshan helicopter key roop mein 269aeye key ack sanshodhit sanskaran koo apanaaya aur ise 55aeye oces naamit kiya. 792vein-55vein helicopters koo 1969 taka vitarit kiya jaayega, aur yeh yuu. aiss. key roop mein seva mein rahega.aiss. 1988 mein uh-1 hue dwara pratisthaapit honey taka senaa key praathamik helicopter prashikshak. isake pratisthaapan key samay, 60,000 yuu seey adhik.aiss. senaa key pilots ney tii-55 parr prashikshit kiya thaa jisase yeh yuu bunn gayaa thaa.aiss. senaa kaa sabse lambe samay taka seva dene vaalaa prashikshan helicopter. yuu key alawa.aiss. senaa, galey milkar anya sainya grahakon koo tha-55/269/300 vitarit kiya.
1964 mein, hugs ney thodaa badaa teen-seat vaalaa model 269bee pesh kiya jise usane hugs 300 key roop mein vipanan kiya. usee varsh, hugs 269 ney 101 ghante kaa sahanshakti record sthaapit kiya. record banaane key liye, dou pilots ney vimaan koo baari-baari seey chalaaya aur eendhan key liye jamini prabhaav mein ghoomate rahey. yeh sunishchit karane key liye kii koee dhokhadhadi naa hoe, kissy bhee record-ending landing koo panjikrit karane key liye andon koo skid gear key neeche seey jodaa gayaa thaa.
1969 mein 300 key baad 300 see (kabhi-kabhi 269 see) mein sudhaar kiya gayaa, jisane pahali baar 6 march 1969 koo udaan bharee aur maee 1970 mein aff. aeye. aeye. pramanan praapt kiya. iss nae model ney ack adhik shaktishali 190 aich. pee. (140 kilowatt) licoming aich. aaee. aaee injan aur ack badhe hue vyaas vaalaa rotter pesh kiya, jisase 45 pratishat kii payload vriddhi hui, saath hii samagr pradarshan mein sudhaar huaa. yeh vaha model thaa jise schweiser ney 1983 mein hugg seey licenses key tahat banaana shuru kiya thaa. 1986 mein, schweiser ney mcdonnell dugglus seey helicopter key sabhi adhikaar praapt curr liye, jinhone 1984 mein hugg helicopter khareede they, aur iska naam badalkar mcdonnell dugglus helicopter system curr diyaa. isake kuchh varshon baad, schweiser ney aff. aeye. aeye. prakaar kaa pramanpatra praapt kiya jise schweiser-huges 300 key roop mein jaanaa jaataa haye. jabaki schweiser ney 250 seey adhik mamuli sudhaar kiye, mool design aparivartit rhaa.
pichhale 50 varshon mein, videshi-licenses praapt utpaadan nagrik aur sainya prashikshan vimaanon sahit, model 269/300 kii lagbhag 3,000 pratiyon kaa nirmaan aur udaan bharee gaee haye. yeh kahani kaa anta hotaa, lekin schweiser ney ack turbine jodkar aur 330 meater model banaane key liye shareer koo phir seey design karke model 300 kaa vikas karna jaari rakhaa, aur phir turbine injan kii shakti kaa adhik laabh uthaane key liye gatishil ghatakon koo aur vikasit kiya; isase model 333 kaa vikas huaa.

