There has been several posts about that, the last in date is here http://jmonkeyengine.org/groups/general-2/forum/topic/confused-about-euler-axes-and-jme-axes/#post-169736 git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9271 75d07b2b-3a1a-0410-a2c5-0572b91ccdca