Re: Why no wingtips for B777???

Date:         08 Aug 97 05:41:17 
From: (Kim Hackett)
Organization: Your Organization
References:   1 2 3 4
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In article <airliners.1997.1653@ohare.Chicago.COM>, jf mezei <"[non-spam]jfmezei"> says:
>k_ish wrote:
>> Also, the efficiency improvement from winglets is only fully realized at
>> high altitude sustained cruise.  Although winglets yield an efficiency
>> increase at any altitude/airspeed, this improvement does not offset the
>> weight and manufacturing penalties C. Marin describes.
>What about the other extreme of the 747-400, the Canadair Regional jet

The Beech 1900D has winglets.  It is designed for even shorter hops
than the CRJ.