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TiltonBB · 07-01-2023, 06:55 PM

There are a lot of things it could be. If the noise changes pitch as the engine RPM's go up and down check your gimbal bearing.

07-01-2023, 06:55 PM	#3
TiltonBB Senior Member Join Date: Feb 2005 Location: Gilford, NH and Florida Posts: 3,032 Thanks: 710 Thanked 2,209 Times in 941 Posts	There are a lot of things it could be. If the noise changes pitch as the engine RPM's go up and down check your gimbal bearing.