As mentioned previous post. I do not have ballooning with my DR1. ?? Maybe lucky but??
I did set wheel wing incidence to match wings (3) and stab, all zero. Factory setting was at 10 neg. for wheel wing. All three main wings and stab were dead on from factory. I did not change engine thrust position from factory. I did offset engine centerline to 3mm on 45 degree (head down at 235 degree)
When full throttle is applied I have a very slight climb, but it does not balloon.
Can't speak for others where they set or checked incidence to be at. Again maybe I'm lucky, but it sure flys good.