At 04:02 PM 3/20/2012, you wrote: >if the KR is approaching 150-200 mph, and if >control surfaces are not balanced, can't this develop flutter problems? >Gary ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Speed alone is not the only contributing factor to flutter. Many fast KR's do no have balanced elevators or rudders and have no problems. Larry Flesner