Operating limits for RB211-524D4:
Max take-off: 5 mins
N1 N2 N3 EGT
104.4% 106.0% 97.5% 785 deg.C
Max. overspeed: 20 seconds
N1 N2 N3
106.0% 107.0% 98.9%
Max. take-off operating limitations may be used for up to ten minutes in the event of engine failure.
Equivalent shaft speeds:
100% N1-3900 L.P. rpm
100% N2-7000 I.P. rpm
100% N3-10611 H.P. rpm.