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Old 01-17-2012, 12:39 PM
David Paule David Paule is offline
 
Join Date: Dec 2009
Location: Boulder, CO
Posts: 5,062
Default Something to Check

There have been a couple of cases mentioned in VAF where people have reported encountering the very onset of flutter. One pilot described it as a "buzz." It's not common among RVs.

Before retiring, I was an aerospace stress analyst. Not long ago I got to examine some wing parts, not from an RV, which had fluttered.

What I learned from that is that if you think there might have been flutter, to check (among other things) the rod-end bearings. The ones I looked at had stretched slightly. Just something that might otherwise go unnoticed and lead to looseness, which in turn could lead to flutter at a lower speed next time.

Dave
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