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Forum: Tech Log

26th Oct 2008, 10:08

Replies: 82

Total drag questions

Views: 11,107

Posted By hawk37

ft, increasing headwind will do this. Wouldn't...

ft, increasing headwind will do this. Wouldn't most test aircraft have inertials that would record this?
Windshear recognition comes to mind as a similar result of changing air mass velocity.

Forum: Tech Log

17th Oct 2008, 01:00

Replies: 82

Total drag questions

Views: 11,107

Posted By hawk37

Yes, now I think about it a little more, lift is...

Yes, now I think about it a little more, lift is generally portrayed as perpendicular to the velocity vector, not to the Earth's axis. Disregard my post above with respect to that. Thanks, MFS, for...

Forum: Tech Log

16th Oct 2008, 23:53

Replies: 82

Total drag questions

Views: 11,107

Posted By hawk37

ChristiaanJ, you have defined lift to be...

ChristiaanJ, you have defined lift to be different from the rest of us. Here is what you said:

"Lift is the force acting on the aircraft at right angles to the air speed vector."

And since the...

Forum: Tech Log

16th Oct 2008, 13:46

Replies: 82

Total drag questions

Views: 11,107

Posted By hawk37

I'll take a stab at this...RMC, I think you may...

I'll take a stab at this...RMC, I think you may have it a bit backwards...

Lets consider the aircraft at FL 350, at 220 kcas. If it's climbing then one can expect the thrust vector to be canted...

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