Kim,
What I would do is when it is idling on the ground look at the propeller hubs (pointed silver and black pointed tops of the props) and make certain they are all absolute true and you see no wobble in them. If you do see wobble you would need to resolve that issue first.
What I would do is when it is idling on the ground look at the propeller hubs (pointed silver and black pointed tops of the props) and make certain they are all absolute true and you see no wobble in them. If you do see wobble you would need to resolve that issue first.