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Old 02-06-2005, 19:44   #1
LN-MOW
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Default Boeing bytter vingedesign paa US Navy's 737'er

http://www.boeing.com/news/releases/2005/q2/nr_050602s.html

Ingen winglets for disse kjerrene, men 'raked wingtips', som paa 767-400. Fungerer dette bedre under lav hoeyde og hastighet enn winglets, tro?



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Old 02-06-2005, 19:58   #2
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Default Re: Boeing bytter vingedesign paa US Navy's 737'er

Det er godt mulig. Kanskje det er så enkelt som at denne typen winglets øker vingearealet mer (i forhold til standard stikker-opp-winglets) så de får utbytte av mer løft ved lave hastigheter. Ellers så har vel NG-vingen bra med load hele veien ut til tippen, så alle slike modifikasjoner, særlig vanlige winglets hjelper på induced drag og derfor bedre fuel efficiency.

Hadde vært interessant å vite årsaken bak :
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Old 02-06-2005, 20:16   #3
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Default Re: Boeing bytter vingedesign paa US Navy's 737'er

Quote:
Originally posted by OMW
Det er godt mulig. Kanskje det er så enkelt som at denne typen winglets øker vingearealet mer (i forhold til standard stikker-opp-winglets) så de får utbytte av mer løft ved lave hastigheter.
Tatt i betraktning at winglets gir bedre ytelse i tynn luft (hot and high), hoeres dette logsk ut, ja.

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