Talk:Ground resonance

When ground resonance happens

 * Page Helicopter says "Ground resonance (affects helicopters with rotor systems having an odd number of blades and strut-type landing gear)., but page Ground resonance does not. Please reconcile. Anthony Appleyard 12:31, 28 October 2007 (UTC)

Assessment comment
Substituted at 16:46, 29 April 2016 (UTC)