Hi Dave,
Attached are photos showing the tailplane trimmed position for Flaps Up, Take Off Flap and Landing flap, which I have as 50mm deflected, measured at the I/B end.
From your previous question with the additional flap deflection, I only had 2 flights on the model and I never explored fully slow flight with 30mm flap, so I hadn't really got comfortable with it, but I did notice more drag with 50mm. I'm happy with 50mm deflection.
Paul