Mid ka mid ah teknoolajiyada ugu weyn ee u saamaxday in diyaarad sida weyn sida 747 in la soo saaray ahaa engine turbofan high-bypass. technology engine ayaa loo maleeyay in ay awoodaan in ay bixiyaan awood laba jibbaar ah turbojets hore iyadoo la isticmaalayo shidaal hal<unk>third ka yar. General Electric ayaa hormuud u ahaa fikradda laakiin waxaa ka go'an in ay horumariyaan engine ee Galaxy C-5 oo aan soo galeen suuqa ganacsiga ilaa ka dib. Pratt & Whitney ayaa sidoo kale ka shaqeeya mabda'a la mid ah iyo, by dabayaaqadii 1966, Boeing, Pan Am iyo Pratt & Whitney ku heshiiyeen in ay horumariyaan engine cusub, magacaabay JT9D in ay awood 747. mashruuca waxaa loogu talagalay la hababka cusub ee loo yaqaan falanqaynta geed qalad, kaas oo u ogolaaday in saamaynta failure ee qayb ka mid ah in la bartay si loo ogaado on nidaamyada kale ee ay. si wax looga qabto walaac ku saabsan ammaanka iyo ku darsan, waxaa ka mid ahaa design engine ee ugu weyn ee qaabidda,
ogolaanaya inay ka hawl gasho garoomada diyaaradaha ee jira