Originally Posted by
stilton
Hk37
A reduced thrust take off uses more fuel as that portion of the flight will take longer.
Therefore your overall climb to altitude will be longer burning more fuel.
The shorter time to altitude achieved by using max thrust gets you to cruise level where you burn the least as quickly as possible.
thats not necessairly truth, you can take off assuming and or derating and set the "default" CLB thrust (at acceleration altitude) and achieve cruize level with "normal" N1 and save fuel and wear.
Last edited by Being738; 3rd March 2016 at 10:43.
Reason: Spelling