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Hushed Planes And Winglets  
User currently offlineJtb106 From , joined Dec 1969, posts, RR:
Posted (14 years 6 months 2 weeks 5 days 11 hours ago) and read 971 times:

I have noticed that some hushkitted planes, specifically the 727 and now the 707 on the homepage, receive winglets as part of the modification. Is this done as a noise reduction step or is it purely for economics/range? A recent magazine article (Airliners or Airways, I don't remember) gave me the impression that it was both. Do they really reduce noise? Sorry if it's a silly question!

1 replies: All unread, jump to last
 
User currently offlineJtb106 From , joined Dec 1969, posts, RR:
Reply 1, posted (14 years 6 months 2 weeks 5 days 11 hours ago) and read 930 times:

BTW there was an earlier thread that touched on this in January, which I just found, but there was some disagreement about it. Anyone know for sure?

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