I just looked at the videos. It's not that extreme. It's fine with just throttle. No direction change. Its when normal steering it taking place. There is no such thing as a slight turn.
no BEC
I'm having a problem with my 74.1
The servo I have is from an rb10 I had sitting in a drawer. It's a reedy I believe.
What happens is when I get up to speed and try to give slight steering inputs it just JERKS and goes hard in that direction for longer than usual.
When it is sitting in neutral...