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PC12Fan
Topic Author
Posts: 2138
Joined: Sat Jan 27, 2007 11:50 pm

New High Speed Cruise Winglet Soon?

Sat Mar 10, 2007 1:01 am

Aviation Partners announced late last year that they are developing a new, high speed winglet as a NG winglet - if you will.

My guess is that they will look something like the new PC-12 winglets and the experimental ones that were on an MD-80.

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Any thoughts? I was unable to locate any photos of this "NG" winglet.
Just when I think you've said the stupidest thing ever, you keep talkin'!
 
User avatar
Vasu
Posts: 3172
Joined: Tue Apr 19, 2005 5:34 am

RE: New High Speed Cruise Winglet Soon?

Sat Mar 10, 2007 10:23 am

That would sure look good!
 
L.1011
Posts: 2172
Joined: Mon Aug 13, 2001 7:46 am

RE: New High Speed Cruise Winglet Soon?

Sun Mar 11, 2007 7:26 am

This may be a very stupid question, but M.80 seems rather low to be defined as "high speed". Do the existing blended winglets reduce cruise speed or something like that?
 
XT6Wagon
Posts: 2739
Joined: Tue Feb 13, 2007 4:06 pm

RE: New High Speed Cruise Winglet Soon?

Sun Mar 11, 2007 7:45 am

Quoting L.1011 (Reply 2):
This may be a very stupid question, but M.80 seems rather low to be defined as "high speed". Do the existing blended winglets reduce cruise speed or something like that?

737 and A320 don't operate as fast as .80 usually and pay a good bit of fuel to push up the speed to that.

My guess is that they are trying for the 767/A330 market first since both cruise just above .80. If they prove themselves, I think it will also sell nice on the 777 which is a good bit faster than the .80 level, but currently has a good bit of demand built up for winglets for the older models.
 
L.1011
Posts: 2172
Joined: Mon Aug 13, 2001 7:46 am

RE: New High Speed Cruise Winglet Soon?

Sun Mar 11, 2007 11:08 am

Quoting XT6Wagon (Reply 3):
My guess is that they are trying for the 767/A330 market first since both cruise just above .80. If they prove themselves, I think it will also sell nice on the 777 which is a good bit faster than the .80 level, but currently has a good bit of demand built up for winglets for the older models.

That's what I thought. I always see the Boeing fans trumpeting the 777's faster cruise speed over the A340, and the fast cruises of the 747 and 787.
 
PC12Fan
Topic Author
Posts: 2138
Joined: Sat Jan 27, 2007 11:50 pm

RE: New High Speed Cruise Winglet Soon?

Sun Mar 11, 2007 8:41 pm

From what I recall, the current blended winglets are most beneficial during climb and cruise up to a certain point. Then they start creating more drag the faster you get. These newer high speed winglets won't create as much drag when the speed increases. The article states that fuel burn increase up to 8% versus the 5% the current blended winglets. This really makes sense to me on aircraft that are in the cruise stage for a longer period of time.
Just when I think you've said the stupidest thing ever, you keep talkin'!
 
CXfirst
Posts: 3022
Joined: Tue Jan 30, 2007 8:13 pm

RE: New High Speed Cruise Winglet Soon?

Sun Mar 11, 2007 8:45 pm

Quoting L.1011 (Reply 2):
M.80

it says mach .80 and above. So, there advertising for not the super fast jets only, but for a broader amount of planes.

-CXfirst

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