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Old 15th Feb 2012, 01:52
  #6 (permalink)  
Brian Abraham
Join Date: Aug 2003
Location: Sale, Australia
Age: 75
Posts: 3,829
UH-1H magnesium structure vs. 205A-1 aluminium structure
Not entirely true. About the only difference was the 90 gearbox support casting was magnesium and the horizontal stab. Some companies have engineering programs in place to replace the magnesium components in military models.
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