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Forum: Tech Log

29th Aug 2015, 07:50

Replies: 24

747 Less thrust = Loss of Lift???

Views: 5,911

Posted By peekay4

Hmm, possibly, but the FCTM wording specifically...

Hmm, possibly, but the FCTM wording specifically calls out "during flap retraction".

If the effect is just about the thrust vector component then it should apply at any time during high-power,...

Forum: Tech Log

29th Aug 2015, 03:01

Replies: 24

747 Less thrust = Loss of Lift???

Views: 5,911

Posted By peekay4

This is not type specific I think... you will...

This is not type specific I think... you will find the same or similar wording even for the 777, 787, etc.

Forum: Tech Log

28th Aug 2015, 23:35

Replies: 24

747 Less thrust = Loss of Lift???

Views: 5,911

Posted By peekay4

I found the FCTM wording in Chapter 1 General: ...

I found the FCTM wording in Chapter 1 General:

Notice the 4 knot loss of maneuver margin is only for engine failure during flap retraction.

Forum: Tech Log

28th Aug 2015, 03:13

Replies: 24

747 Less thrust = Loss of Lift???

Views: 5,911

Posted By peekay4

I think this is actually loss of maneuvering...

I think this is actually loss of maneuvering margin when an engine fails during a flap retraction?

The way I understand it: after takeoff when you retract flaps, some lift is lost. But because...

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