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Winglets On Horizontal Stabilizer?  
User currently offlinePhxplanes From United States of America, joined Feb 2005, 436 posts, RR: 0
Posted (9 years 3 months 4 weeks 23 hours ago) and read 4258 times:

I was reading the post about winglets and the different types and how effective they are. So why not have winglets at the ends of the horizontal stabilizers?

3 replies: All unread, jump to last
 
User currently offlineEMBQA From United States of America, joined Oct 2003, 9364 posts, RR: 11
Reply 1, posted (9 years 3 months 4 weeks 23 hours ago) and read 4253 times:

So why not have winglets at the ends of the horizontal stabilizers?

Because they are not needed. The vortices that form on the wings are not as big a factor on the horizontal stabilizer and there is no added benefit to adding them.

[Edited 2005-08-02 03:30:40]


"It's not the size of the dog in the fight, but the size of the fight in the dog"
User currently offlineSkydrol From Canada, joined Oct 2003, 980 posts, RR: 10
Reply 2, posted (9 years 3 months 4 weeks 18 hours ago) and read 4197 times:

Sure they can have it. On the Beech 1900D as an example:


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User currently offlineOzLAME From Australia, joined Feb 2005, 338 posts, RR: 0
Reply 3, posted (9 years 3 months 4 weeks 15 hours ago) and read 4186 times:

Quoting Skydrol (Reply 2):
Sure they can have it. On the Beech 1900D as an example:

Those aren't winglets as such. They are there to augment the vertical stabiliser (which is the same as a King Air stab. and is too small for the a/c) and to enhance the aircraft's stability in a one-engine-out situation (they are in line with the engines). A winglet's function is to reduce drag associated with tip vortices.
Here is an earlier discussion of this topic:
Winglets On Tail? (by 777DadandJr Mar 31 2005 in Tech Ops)



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