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Old 17th May 2010, 14:07
  #1752 (permalink)  
aw ditor
 
Join Date: Aug 2001
Location: Pathfinder Country
Posts: 505
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Can understand completely concerns over supercharger gear changes. On both the RR' Griffon and the (Bristol) Hercules it was accompanied by a loud thump and an airframe vibration.
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