REFLECTOR: Rudder flutter fix
Andrew Ellzey
ajlz72756 at yahoo.com
Fri Aug 4 07:02:00 CDT 2006
Mine is an XLRG. I haven't looked into any other models.
Andy
----- Original Message -----
From: Al Gietzen
To: 'Velocity Aircraft Owners and Builders list'
Sent: Thursday, August 03, 2006 11:03 PM
Subject: Re: REFLECTOR: Rudder flutter fix
This is interesting to hear, the manual on page 2-28 just under the figure 2-25, states to make the same measurement and to shoot for 1/2" to 1". I remembered this because I just installed my winglets last week. I set mine at 1". I'm glad I didn't try for the 1/2".
Andy
Are we mixing models here, or is it the same for all?
Al
----- Original Message -----
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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