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Old 6th November 2011 | 22:49
  #141 (permalink)  
riff_raff
 
Joined: Sep 2007
Posts: 600
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From: USA
squib66,

I think Sikorsky has realized for a while that having a main gearbox aux. lube system is currently the only practical way to meet a 30 min. loss of lube requirement. The CH-53K main gearbox design incorporates one.
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