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Thread: Bell 412 and 407 rotor head
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Old 16th December 2007 | 16:07
  #7 (permalink)  
CS-Hover
 
Joined: Aug 2004
Posts: 68
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From: NE
"I believe the 430 has two spars placed on top of each other and each holding two blades. This reduces the rotor head to “merely” clamping the two spars together."

not easy to see, but hope it helps (find those in the web )









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