On Sat, 06 Oct 2012 10:59:58 -0700, son_of_flubber wrote:

What are the G forces in unintentional aerobatic maneuvers... say flying
through extreme rotor?

Have there been cases of gliders losing their wings in rotor on their
way to mountain wave?

A Nimbus 4 broke up in severe turbulence during practice for the 1995
World Champs at Omarama, NZ:
http://aviation-safety.net/wikibase/wiki.php?id=29823


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