Mailing List lml@lancaironline.net Message #40785
From: Rick Argente <ricargente@cs.com>
Sender: <marv@lancaironline.net>
Subject: Aileron Flutter
Date: Tue, 20 Mar 2007 12:24:59 -0400
To: <lml@lancaironline.net>
Message
Randy,
 
Some LNC2 have been know to have a buz at the ailerons.  I spent lots of time during my initial test flights 8 years ago trying to debug this problem.  Finally, somebody suggested that the problem maybe flexing of the 'cup' section (leading edge) of the ailerons.  Solution: add a half-moon rib in the middle of the aileron 'cup' section, similar to what was installed on the flaps.  Result: no more buzzing after this fix, completely eliminated.  A number of other Lancairs developed this problem and the solution was to stiffen the leading edge of the ailerons.
 
And yes, this is NOT flutter coz flutter would have ripped your ailerons off your wings and you would have been unable to fix this problem...
 
Rick Argente
N360ZR
 
-----Original Message-----
From: Randy [mailto:randystuart@hotmail.com]
Sent: Saturday, March 17, 2007 3:37 PM
To: lml@lancaironline.net
Subject: Aileron Flutter

I'm flying around today and I looked out the cockpit and I noticed my right aileron fluttering. Looked at my left aileron and it's doing the same thing. I turn left and right, the ailerons are working fine but still fluttering. I got to my desination, bought some fuel and went flying some more. This time I didn't see much flutter, if any, at all.
Anyone seen this or have any info about it?
Randy Stuart
LNC2
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