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Thread: Winglets..are they usefull?
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Old 26th March 2006 | 08:44
  #15 (permalink)  
CaptainSandL
 
Joined: Nov 2003
Posts: 496
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From: UK
A retrofitted winglet on a 737-800 built without privision weighs 235kg for the pair, but only 170kg if provisioned or installed during production. Price varies hugely with contract.
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