GE9X - Intro for Paris and Farnborough Airshows

The GE9X is the largest commercial jet engine ever produced. should increase fuel efficiency by 10% over the GE90. it's 61:1 overall pressure ratio should help provide a 5% lower TSFC than the XWB-97 with maintenance costs comparable to the GE90-115B The initial thrust of 105,000 lbf (470 kN) will be followed by 102,000 and 93,000 lbf (450 and 410 kN) derated variants.[