So, I have been noticing lately that my Y6 (HFP, 4.3.860, Avrotos, 12x3.8SF top, 13x6.5E bot, 4.0kg, Man/AL gain 35% EPA, props are recently balanced) has had issues descending. When descending at slow to moderate speeds, I will get oscillations and wobbles. Generally, I have to arrest the...