Robert Ehrlich wrote:

symetric. The way students are often taught, i.e. "coordinate" in free
flight and "don't coordinate" on the ground often induces them to do
as if there is no more adverse yaw while on the ground, when the truth
is that this parasite effect often is the most important in this case,

I am certainly the scientific and theoretic guy, but it was only when
I've completely stopped to think about those things when my flying
enhanced considerably. The way I do it:

- In free flight, use ailerons to get the desired bank angle, your feet
to keep the string in the middle and the elevator to keep the nose at
the horizon.

- On the ground, use the feet to steer and keep the wings level with the
ailerons.

- On tow, stay in position using all three controls as needed and when
possible try to center the string.

No theory needed. Works for me.

Stefan