The Hurricane has this stick bobble and its present in all sticks. Its unique to the Hurricane. Its as if a breakout force in the area close to neutral is required. Devs have been directly informed. The Youtube video illustrates the problem:
It can be seen at 0:06, 0:16 and 0:23
It can easily be replicted by trying a 160MPH IAS climb at full throttle/3000RPM around 10,000ft. Just try to hold 160 MPH exactly with fine elevator input