Posted 6/12/2009 15:46 (#742777 - in reply to #742632) Subject: Re: the only thing that would have additional wear is the knives.
Kittitas Co. Wa. State
That is just splitting some awful fine hairs in 'extra wear' on a machine.
What does make sense is slowing down the engine speed to help with the "blowback" or "fan effect" when cutting light hay. Then the rotar's wouldn't be fanning the crop away from the knives.