
aii. eiii. aarr-821

1960kalil romaniyayil nirmmicha oru kaarshika vimanamaayirunnu iar-821. sthiravum teyil wheel andarkarejumulla oru parambaraagatha loow-wing monoplayinaayirunnu ithu.
vikasanam.
oru kaarshika vila sprayer dasttar vimaanavumaan iar-821. englandinte neethrthwathilaanu roopakalppana poortthiyaakkiyathu. 1967-ll radu manicatide, instittyoott oof fluid mechanics aandu aerospace research (instittyoott oof fluid mechanics aandu aerospace research). buchaarasttile irmayilaanu (intriprintheeriya dii reparashiye metteeriyal aeronotic-aeronotical metteeriyal repairmentinulla enterprise) ithu nirmmichathu. 1968lum 1969lum 20 vimaanangalude oru cheria parambara nirmikkappettu, koodaathe iar-821bii ennu perittirikkunna oru pariseelaka vimaanathinte orotta udaaharanam, iar-821-nte kemikkal tankinu pakaram randaamathe kokkpitt sthaapikkukayum cheria sheshiyulla oru puthiya kemikkal tank sajjeekarikkukayum cheythu. 1969 muthal eee vimanam roman flying skoolukale sajjamaakkanamenn uddeshichirunnuvenkilum athu nadannilla.
design.
oru thaazhnna chirakulla monoplane, athil mishrita maram-loha ghadana undaayirunnu, fuselage chiraku verukalum velded crome-molybdinum tubil ninnu nirmmichathaanu, koodaathe maratthil ninnulla puram chirakukalum wall yoonittum. munvashathe fuselageil aluminium paanalukalum backie uparithalathil plywood thunikondu pothinjirunnu. 300 echpi (221 kilowatt) vitharanam cheyyaan kazhivulla orotta varii eyar-cooled 9 silindar radialaaya ivechenko iai-14 rf aanu propulsion nalkiyathu, ithu oru nakka kaulingil adangiyirikkunna frond fuselageinte mukal bhaagath sthithicheyyunnu, koodaathe nischitha pichulla moonnu blade propellerumaayi samyojippichirikkunnu.
oopparettarmaar.
roman yootilittari eviyeshan-aii. eiii. aarr-821-nte eaka oopparettar

