Level Flight Trim

[alexej21]

Not to "pile on," (as this thread has really taken its course,) but this is not 100% correct. You are not trimming for attitude changes, you are still trimming for airspeed changes that will result from your attitude change.

 

In fact the most accurate answer here is that you are re-trimming for angle of attack, not airspeed or attitude. In practical terms, however, we trim for airspeed. Cheers! :beer:

 

In fact the most accurate answer here is that you are re-trimming for angle of attack, not airspeed or attitude.

 

Lift is based on airspeed and AOA. You are trimming for airspeed and AOA.

[Flamin_Squirrel]

Not to "pile on," (as this thread has really taken its course,) but this is not 100% correct. You are not trimming for attitude changes, you are still trimming for airspeed changes that will result from your attitude change.

 

In fact the most accurate answer here is that you are re-trimming for angle of attack, not airspeed or attitude. In practical terms, however, we trim for airspeed. Cheers! :beer:

In fact the most accurate answer here is that you are re-trimming for angle of attack, not airspeed or attitude.

 

Lift is based on airspeed and AOA. You are trimming for airspeed and AOA.

 

You can't change attitude without changing speed or AoA; they're all interconnected.

[alexej21]

War of words :)

 

Dive or Climb is because of change of lift.

 

Lift is based on AOA ,Air Speed and other things, but not on attitude. :smilewink:

[Flamin_Squirrel]

War of words :)

 

Dive or Climb is because of change of lift.

 

Lift is based on AOA ,Air Speed and other things, but not on attitude. :smilewink:

 

Both lift and thrust are affected by attitude. See below.

 

 

An increase (or decrease) in pitch attitude from straight and level results in a reduction in AoA if speed is kept constant, or a reduction in speed if AoA is kept constant.

 

You CAN'T change one variable without affecting others.

 

Now, as I was saying; keep things simple: trim for attitude, speed and configuration changes.

[aaron886]

In fact the most accurate answer here is that you are re-trimming for angle of attack, not airspeed or attitude.

 

Lift is based on airspeed and AOA. You are trimming for airspeed and AOA.

 

Yes, but I am trimming to maintain the angle of attack that produces hands-off flight at that airspeed. In truth, a pilot trims for hands-off angle of attack, which changes with airspeed. When we teach it in simplified terms, we just say airspeed, because you re-trim every time you change airspeed. There's usually no need to go into any more depth than that. :beer:

[PFunk1606688187]

I dunno about you guys, but I re-trim for battle damage. :P

[aaron886]

If you say it too often, re-trim starts to sound like a euphemism. :D