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Jets-Takeoff Throttling

Pro Member Trainee
Brook Trainee

OK, through trial and error I've found the best way to control FS jet takeoffs is: after rotation, throttle almost all the way back about 75% and let speed dissipate to my initial climbout speed, whereupon I engage autothrottle. This seems to be the best way to keep from rocketing to the moon on takeoff.

I'd like to hear if this is close to proper flying, or how it's performed in real world.

Any sources I can read/watch?

Pro Member First Officer
Bob (Traches) First Officer

I believe you leave TO thrust on until about 1500 feet AGL (or is it 3000?), then throttle back to climb thrust. Immediately after takeoff you control your airspeed with attitude (I.E. Pitch the nose up to control your airspeed.)

The F.S. default aircraft autopilot sucks hard... I wouldn't use it until you've got a constant V/S you can set it to maintain.

Pro Member Chief Captain
Jonathan (99jolegg) Chief Captain

Yes, Traches is right. You will have the necessary power to takeoff (not usually 100% N1) which is usually derated to some extent.

You leave this power setting until around 1500ft where you can reduce you rate of ascent and let the speed build.

Control your speed with pitch, rotate gently to a speed about V2 + 10.

Try a lower power setting on the take off roll...perhaps about 85-92% depending on the aircraft and the prevailing conditions.

Guest

You should maintain takeoff thrust until 1000ft above aerodrome elevation and then reduce pitch, reduce thrust and accelerate. The 3000ft question used by Tranches relates, I believe, to NADP1, in which you will still reduce thrust at 1000ft, but you won't accelerate, which means less thrust and less noise.

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