Flutter is caused by imbalanced movable surfaces. When the
plane moves the moment arm of the surface causes deflection
of the surface.



--
James H. Macklin
ATP,CFI,A&P

--
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But government sees it as an obstacle to be overcome.
some support
http://www.usdoj.gov/olc/secondamendment2.htm
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"nrp" wrote in message
oups.com...
| Flutter is determined by the torsional stiffness (and
mass) of the wing
| section. In this case, that did not seem to be
compromised - i. e.
| there were no diagonal wrinkles across the wing panel. If
there were
| diagonal wrinkles, flutter would be a real possibility.
But dropping
| the airspeed greatly helps the flutter margin, just as
increasing the
| max speed quickly reduces the flutter margin. I
understand that during
| each new aircraft's flight at the factory, the test pilot
must dive it
| to 110% of the indicated red line speed. The survivors
are certfied.
|
| There were diagonal wrinkles across the aileron panel, but
I don't
| think the aileron in itself can flutter. The question in
this case
| would be the aileron control integrity. Someone earlier
suggested
| blocking or locking one aileron. That could have all
sorts of
| interesting changes and very definitely I would not
recommend.
|