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Old 16th June 2009 | 15:50
  #4 (permalink)  
Shawn Coyle
 
Joined: Dec 2001
Posts: 1,835
Likes: 3
From: Philadelphia PA
The lead and lag forces are absorbed by the hub, but as these forces change due to rotation, they are taken up by the mast.
The mast actually has a slight twisting and untwisting as the blades go around.
If that helps confuse the situation.
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