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Strange problem causing airborne NGX loosing thrust after flaps up setting.

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Hello everybody,


did anyone of you experience event described below?


I take off with NGX (any variant), aircraft climbs normally, but when I retract flaps engine thrust starts to be insufficient to maintain IAS (engines at TOGA power), and acft stops climb.

In external view(and wingviews) wings are not bended,they are straight like on the ground.

Than I set flaps again,doesn't matter which configuration, and than aircraft returns to normal behavior.

I also experienced this problem with 777, recently.



I use win7 x64, high end pc with ssds, I use activesky Next,fsuipc,REX 4 and so on...addon sceneries .

All SW is up to date.


Thank You





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If you disengage any automated control and take over manual control of the plane can you maintain a steady climb?  Didn't realize this was a duplicate post. My bad.

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