With experience, well built and fine tuned helicopter, once can gain confidence and team up, like with a horse. Find my video, where I let it go almost every time once given the direction. Just smooth inputs to tell the intention. Per example, the high speed low passage over the field was done with ...

See inside shrinked foam (used for rigidity while keeping light) after exposure to turbine gas exhaust. Pilot forgot to position the blade away from it..

Problem is that such damage isn't necessarily noticeable from outside, or underestimated.
To be replaced without hesitation!

What is the overhaul frequency of your tail angle gearbox with metal bevel gear?

At Heli-Divonne Symposium, May 2025, France.
Also flown at 50 years Vario event in Germany, to demonstrate fuselage quality: 100% no paint, only stickers and vinyl. See also Vario Wiki for build tips.

Find ideas of things to check if your heli doesn't stay super tight on horizontal axis when hovering, typically circular moving around axis. Can happen since day one or slow degradation.

1) Check the shaft of all swashplate servos: excessive play can result to lack of precision. Compare the servos...