chadhai (vimanshastra)

vimanchalanamadhye, chadhai kinwa chadhai mhanje vimanachi unchi vadhavanyache karya. uddananantar aanee samudraparyatanapurvichya vishisht uddan ("chadhaicha tappa" kinwa "chadhaicha tappa") chaa haah tarkik tappa dekhil aahe. chadhaichya tappyat unchi purvanirdharit pataliparyant vadhate.
chadhanichya ulat mhanje 'utarane'.
chadhaichi kriya.
atirikt jore vaparoon sthir chadhai kelee jaate, jyaa pramanat urja prakalpatoon yenara jore vimanavaril odhapeksha jaast asato. atirikt jore shunyavar yeiparyant viman sthirpane chadhel. enginechya utpadanavar niyantran thevanyasathi pilotchya jaanunbujun kelelya kruticha parinam mhanoon kinwa havechi ghanata qamee karnyasathi enginechya pratisadamule atirikt jore shunyavar yeu shakato.
chadhanyacha tappa.
chadhaicha tappa, jyala chadhai-baher kinwa prarambhik chadhai asehi mhanatat, too kalavadhi aahe jyaa darmyan viman uddananantar purvanirdharit samudraparyatan unchivar chadhate. chadhaicha tappa lagechach uddananantar aanee uddanatil samudraparyatan tappyapurvi yeto. jaree chadhanicha ekach tappa vaishishtyapurn asala taree, chadhanichya anek tappyanmadhye samudraparyatan tappyanmadhye badal houu shakatat, visheshtah khoop lamb uddanansathi jyamadhye jahajavaril indhanache vajan qamee hott asatana unchi vadhavali jaate ('payari chadhani' pahaa).
jasjashi chadhai pudhe jaate tasatase havechi ghanata qamee jhalyamule jore qamee jhalyamule chadhaicha darr qamee hoto. haloohaloo chadhanyane vimanachya nakavarchi pudhechi drushyamanata sudharate.
vadhatya havechya kshetrat udatana viman dekhil chadhate, parantu ashee kshetre anpekshit aanee gairsoyichi asalyane aanee bahutek yaa prakarchya nishkriy chadhaishi kharabaritya julavun ghetalyamule, fakt glyder niyamitpane asha chadhaicha prayatna karatat.
"samanya" chadhani.
kahee adhikarkshetranmadhye aanee kahee paristhitinmadhye, "samanya" chadhai niyam kinwa karyapaddhatindware paribhashit kelee jaate aanee vayumarg pranali, vayumarg aanee upkaran prakriya vikasit karnyasathi vaparali jaate. samanya chadhai heey bahutek vimanandware bahutek paristhitinmadhye sadhya karata yenyajoge pramanit chadhaiche darr asatat, jeey asha daranche anshatah karya asalelya karyapaddhati kinwa sanrachana vikasit kartana puranmatvadi margdarshak tattve mhanoon vaparale jaatat. udaharanarth, nauvahan prakriyechya vikasadarmyan kinwa vimantal terminal bhagat havai kshetrachi maryada paribhashit kartana prati kiimii 20 meater (prati sagari mail 120 phoot) chee samanya chadhai gruheet dharali jaau shakate.

