[From Graham Butler, February 19, 2010]
          
        
The attached PowerPoint reviews the forces involved in morphing. (Editors note: I'm not sure I fully understand "morph angle")
          
        
[From Graham Butler, February 19, 2010]
          
        
The attached PowerPoint reviews the forces involved in morphing. (Editors note: I'm not sure I fully understand "morph angle")