Thank you for confirming the thrust angle.
I have a JC Cheetah in mine (yes, overpowered, but the engine is shared between this plane and a Krill Avanti S (FC) and under full throttle the Turbinator climbed at an alarming rate with the stock thrust angle. Granted, I don't really need full throttle...
I have ended up at about 15deg, but perhaps I should try a few more degrees of down thrust (I am trying to avoid any down elevator mix with throttle)
Did you measure the thrust angle with respect to the wing tubes? I am assuming that is the datum for this plane.
No problem and good to hear I'm on the right track.
Oh yeah, a Cheetah is definitely overpowered and 15 degrees would not be enough based on my experience with the original and less power. And no, I didn't reference the angle to the wing tubes, only the engine formers and horizontal, but I tried checking the wing incidence to the horizontal as good as I could because the incidence meter would only go half wing, and as far as I could tell, it looked to be about 1-1.5 degrees positive to the horizontal. This was all very NON-scientific!