BTW, EK4457 I disagree that learning to trim with an inaccurate trimming system delivers any useful learning.
How can a trim system be inaccurate?
It can be unusual, counter intuitive, not have the right 'feel' etc.
I described all of the above as 'Sh*te'.
My point is, you
can trim the aircraft, even if it is difficult. So it works. I don't see how it is, or can be, 'inaccurate'.
I can only go off my own experience. I learnt to fly on a Tommy. Now I fly an Archer III. I now find the trim system works a treat after my PA38 experience.
So call the trim system what you want. It did me the world of good.
EK