Originally Posted by UCLAbruins
Isn't that the bad part, now you have to pay for maintenance on 3 engines instead of two???
Conklin de Decker shows the 7X burns 380gph and the G550 (which is more efficient than the G450) burns 450gph.
It also shows PW ESP for the 7X's 3 PW307s costs about $150/hr less than RR Corporate Care for the G550s 2 BR710s.