[Bewolf]

Originally Posted by Sternjaeger II

check out this video at 6.07

http://www.youtube.com/user/wwwDOTda...1CBC682E928D2A

u see the rudder and wingtips shaking? Is that what you're talking about?

I think these are the initial symptoms just after crossing 500 kph, its gets much worse with increased speed up to 650 kph.