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Old 14th Sep 2006, 18:30
  #7 (permalink)  
IFMU
 
Join Date: Mar 2005
Location: Poplar Grove, IL, USA
Posts: 1,102
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I have a slice of an R22 blade in front of me. The front is an extrusion, the top and bottom skins are two seperate pieces bonded to the extrusion, to each other at the trailing edge, and to aluminum honeycomb in the middle.

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