@MichaelHall -- re your answer aviation.stackexchange.com/a/77288/34686 -- the specific problem with this answer is the last sentence. The net centrifugal force is not the result of only the aerodynamic forces. The net centrifugal force is equal and opposite to the net centripetal force which is the combined effect of aerodynamic forces AND gravity.

@MichaelHall -- If you are starting with centrifugal force, then you have to have to take gravity back out of the equation again to see what the body and G-meter "feel". You can do this by subtracting gravity from centripetal force and taking the mirror image of that vector, or by adding gravity to centrifugal force. Either way it's a vector sum.

If the last sentence of the answer were corrected to be true (i.e. centrifugal force is produced by aerodynamic effects PLUS GRAVITY) , it would show that saying the body feels centrifugal force plus gravity is inherently circular and while not false, is really just equivalent to saying the body feels only the aerodynamic effects. Explained in more detail in chat permalinks above.

Hard to say in words, will be expressed more clearly in vector diagram that will be attached to my answer.

@MichaelHall -- "When the floor drops on the Gravitron ride the horizontal centrifugal force pins you to the wall, but you still feel vertical gravity from the earth. –" from the standpoint where the force the wall is exerting on you is one of the "givens", you don't feel any additional effect of gravity. You feel apparent forces opposite to the real forces from wall pushing on you centripetally and the wall pushing up on you with friction.

If the wall were greased, you would slide right down without feeling gravity

On the other hand, from the standpoint where your trajectory is the given (round and round without sliding down), then when you figure the net centripetal force that must be present to cause that trajectory, then you also have to subtract out the effect of gravity to figure out the force the wall is exerting on you (including the upward force of friction.)

Just about everything in your answer is correct except the phrase in last sentence "In summary, the aerodynamic forces the aircraft generates produce the centrifugal force..."-- it should be the aerodynamic forces the aircraft generates, plus gravity, produces the centripetal force..." And what you feel is the centrifugal force, minus gravity. (Or, the centrifugal force, plus gravity. Same thing.) Either way it is just the aerodynamic force, or its mirror image.

Restated to fix typo-- Just about everything in your answer is correct except the phrase in last sentence "In summary, the aerodynamic forces the aircraft generates produce the centrifugal force..."-- it should be "the aerodynamic forces the aircraft generates, plus gravity, produces the centripetal force..." And what you feel is the centripetal force, minus gravity. (Or, the centrifugal force, plus gravity. Same thing.) Either way it is just the aerodynamic force, or its mirror image.

Either way it is just the aerodynamic force, or its mirror image, depending on whether you prefer to think in terms of the "felt" component of real forces, or whether you prefer to think about apparent inertial forces.