REFLECTOR: Rudder flutter fix
TimRhod at aol.com
TimRhod at aol.com
Thu Aug 3 12:29:49 CDT 2006
Duane suggested this: Measure the distance from the middle of the leading
edge on the winglet just above the wing to the other leading edge winglet.
Then measure from the trailing edge of one rudder to the other trailing edge
of the opposite rudder. The distance between the trailing edge of the rudders
needs to be at least one inch and not more than two inches greater that the
winglet leading edge measurement. Mine was less than a half inch. So because
My ball is centered when I fly I need to shim out each rudder equally un till
I get at least one inch greater than the leading edge measurement. Both the
top and the bottom of the rudder need support stops when moving the rudder
out. An interesting observation on my way home from Oshkosh. On a shallow
decent I was doing about 205kts indicated and once again I felt the slighest
flutter in the left rudder When I looked out I could see the rudder
fluttering but only the top half of the rudder was doing it. I had shimmed out the
bottom but not the top and so I observed only the top vibrating. Dwane had
showed me at Oshkosh how the factory on their new demonstrator had been shimmed
out on the top and bottom. I am making these modifications and will report
my findings when I have them. It may be a while before I test fly as I am
still a little freaked out about going so fast. Every little bump I feel I think
something is going baaaad. Pat I would appreciate knowing your
measurements. You certainly can go fast without flutter. Thanks for making the trip to
compete. I enjoyed meeting you and talking. Tim Rhodenbaugh
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