High Pitch Noise after take off
We have this high pitch noise after take off that disappears when coming down to 3000 rpm, it is not noticeable at take off or landing, only once stablished on normal cruise.
It is a CT sw with Rotax 912, magnetic plug perfect, everything seems correct, all in green.
Sorry for the video, it was only for noise recording with my phone while flying back to land.
Any ideas?