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Thread: RAF flypasts over London
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Old 18th Mar 2021, 18:20
  #10 (permalink)  
eckhard
 
Join Date: May 2005
Location: France
Age: 69
Posts: 1,143
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Never mind the rivets - that's 1728 spark plugs!
2640 of which would have been firing every second (assuming 2200rpm)
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