Originally Posted by leadfeather
Would a 3 bladed rotor have less shake than a 4 blade design, all else being equal?
I think that it's true of any odd number of blades.
It occurred to me that we should discuss teetering heads. They have some different properties from flapping heads.
Gonna be out for a few days, but will get back to this when I return.
Everybody go fly for the weekend!