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Old 8th June 2016 | 20:21
  #11 (permalink)  
Intruder
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Veteran: Navy
 
Joined: May 2000
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From: Seattle
a small electric motor on the gearbox will slowly rotate the N2 shaft for some time period after shutdown.
Large ships have had that for decades; keeps the shaft rotating even when at the pier. Called "jacking gear".
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