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Thread: Purpose of winglets on airplanes?
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Old May 18, 2009 | 10:38 am
  #18  
Yaatri
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Join Date: Jan 2002
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Originally Posted by caspritz78
The 747-400 has winglets. The 777 has a special wing geometry which doesn't need winglets. Same with the A380. The A330 and A340 have winglets.
Boeing 777 will have wingtip devices.
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