Been there,done that, several times. I'm really beginning to believe in that P-factor since its trimmed for level and vertical,no thrust line issues except in HA harriers & rolling harriers. I get my Do up to at least 45 deg. angle of attack for harriers,have to, to get the wing to settle down. Other planes dont seem to need this higher attitude to harrier,wonder if thats whats bringing on the "High P-factor".Funny,I didnt notice it with Do # 1&2?