Honestly the only way these pushrods can vibrate harmonically is if they have
some flex to begin with and at 22" there is absolutely no movement in these
carbon fiber rods at all. The only movement at all is the rubber mounting of the
servos and that is almost nothing. If you haven't used the CF rods with the
titanium ends you cannot believe how stiff they are and if you use good ball links
at the control ends there is no slop at all.

tommy s