RE: Hanno Prettner's
Matt,
Ya I was thinking he possibley meant a different type of flutter as we know it today.
reading that makes me wonder what F3a will be like in in 2040. I imagine there will be no more arfs. one will simply purchase the CAD file from the designer then have the local 3D print shop spit it out. vibrations wont be an issue because pistons will be long gone (unfortunatley)