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Old 8th Dec 2016, 09:06
  #34 (permalink)  
Concentric
 
Join Date: Jun 2016
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Originally Posted by HeliComparator
Yes I know all that...
Yes, I expected you would...But what shocked me was the AAIB report into REDW and CHCN revealing that the manufacturer’s designers apparently did not seem to know it at the time of certification (Ref. AAIB 2/2014, 2.6.4).

Between main shaft design and planet gear/bearing design, the manufacturer does not seem to have had a very good grasp of FEM.
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