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aviationwiz
Posts: 883
Joined: Thu Apr 01, 2004 7:20 pm

RE: First 757 With Winglets Pictures Uploaded

Thu Mar 10, 2005 10:47 pm

I'm not sure I like it too much, as someone else already stated, it does take away from the sleekness of the 757, making it look more like a 738 in a way. I can live with it, but I do like it without the winglets better, oh well.

Which do you like better? Comparing them side by side.


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DAYflyer
Posts: 3546
Joined: Wed Sep 08, 2004 9:35 pm

RE: First 757 With Winglets Pictures Uploaded

Fri Mar 11, 2005 12:00 am



Quoting AA737-823 (Reply 15):
She is SO hot!
While her legs are caressing the runway, her winglets massage the air...

Uh, lay off the viagra, dude.

I agree she looks great!
 
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KaiGywer
Posts: 11183
Joined: Sun Oct 26, 2003 9:59 am

RE: First 757 With Winglets Pictures Uploaded

Fri Mar 11, 2005 1:30 am

While it is good with more range, less fuel etc... I still like that bird in the old-fashioned style  Smile Then again...I never really liked those kinds of winglets anyways.
 
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africawings
Posts: 109
Joined: Tue Dec 14, 2004 4:47 am

RE: First 757 With Winglets Pictures Uploaded

Fri Mar 11, 2005 1:34 am

I like the 757 winglets a lot but how about raked wingtips?

I thought they provided better fuel economy that's why the 767-400 and 777LR have em?

Thoughts?
 
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fabio777
Posts: 10
Joined: Mon Feb 14, 2005 3:04 am

RE: First 757 With Winglets Pictures Uploaded

Fri Mar 11, 2005 2:05 am

So how much fuel burn savings are they claiming with the winglets?

I think they look great.
 
fraspotter
Posts: 2301
Joined: Sat May 08, 2004 8:12 pm

RE: First 757 With Winglets Pictures Uploaded

Fri Mar 11, 2005 2:18 am



Quoting KFLLCFII (Reply 49):
Regarding the above-mentioned article about winglets for the 777, the article states:

"Marino said the proposed Boeing 777 "wing extensions" may not resemble the curved winglets his company developed for 737s. "When we do our development, we try to find the optimum shape for each airplane," Marino said."

This sounds like they are proposing add-on raked wingtip extensions, not "winglets" like we all know them. Comments?

Maybe they are going to make them in the design of the 744 winglet. They would look much better on a 777 than those curved tips on the 737 and 757.
 
YOWguy
Posts: 123
Joined: Sat Jan 22, 2005 3:06 am

RE: First 757 With Winglets Pictures Uploaded

Fri Mar 11, 2005 3:22 am

It looks good...

Can't wait for AC to do their 767s...
 
mark777300
Posts: 377
Joined: Wed Apr 21, 2004 3:30 pm

RE: First 757 With Winglets Pictures Uploaded

Fri Mar 11, 2005 4:56 am

Amazing how much it resembles the TU-204! It'll probably take a while to get use to it, but it looks pretty cool on the 757. Wasn't a 747-200 tested out with these kind of winglets? I could of sworn that I read in a magazine a few years back that showed a picture of a 742F with 12 Ft blended winglets.
 
Sinlock
Posts: 1631
Joined: Fri Dec 22, 2000 12:55 am

RE: First 757 With Winglets Pictures Uploaded

Fri Mar 11, 2005 4:58 am



Quoting Africawings (Reply 53):
I like the 757 winglets a lot but how about raked wingtips?

I thought they provided better fuel economy that's why the 767-400 and 777LR have em?

Thoughts?

If I recall correctly,

It's because the 767-400, 777-200LR/-300ER have a very strong wing, so they can handle a higher wing loading. (Weight v.s. Lift). The Raked Wingtip helps cut induced drag but also provide extra lift. So less engine power is needed during climb or get to altitude quicker. With out them the 767-400 would climb like a loaded 340.

Blended Winglets help cut fuel use during cruise by cuting a major amount of
induced drag with out a large increse in wing loading.

Wing loading is why at one point Boeing was offering the 767-300 winglet as a swap kit. Winglets for short-medium routes, but removable for longer trans atlantic routes. Sadly the airlines balked at the idea and never ordered any. This was back in the days of the 747-500/600, and 767-400LR.


(Thats what I recall from AW&ST but I don't have the issue as I discarde my backlogs after 2 years)
 
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africawings
Posts: 109
Joined: Tue Dec 14, 2004 4:47 am

RE: First 757 With Winglets Pictures Uploaded

Fri Mar 11, 2005 5:04 am

Thanks for the info Sinlock
 
N766UA
Posts: 8428
Joined: Thu Jul 29, 1999 3:50 am

RE: First 757 With Winglets Pictures Uploaded

Fri Mar 11, 2005 5:11 am

I'm really surprised at how natural it looks on the 75'. I always thought it would look akward. Can't wait to see her in CLE!
 
Mexicana757
Posts: 2693
Joined: Fri Apr 20, 2001 3:21 pm

RE: First 757 With Winglets Pictures Uploaded

Fri Mar 11, 2005 5:20 am

Those winglets make the 757 look nice.  hearts  Lets see who is the next airline to place them. Are the 757-300s gettting them?
 
boeingpride800
Posts: 391
Joined: Tue Jun 29, 2004 10:05 am

RE: First 757 With Winglets Pictures Uploaded

Fri Mar 11, 2005 6:33 am

Boeing is putting winglets on 757's even though the line is closed? And what about the 717, is it really gonna end?
 
aeroweanie
Posts: 1576
Joined: Fri Dec 03, 2004 9:33 pm

RE: First 757 With Winglets Pictures Uploaded

Fri Mar 11, 2005 10:50 am

BoeingPride800:

APB, a joint venture between API and Boeing is putting winglets on the 757, not Boeing. The design and certification work is done by APB - APB holds the STCs.

Sinlock:

>The Raked Wingtip helps cut induced drag but also provide extra lift.

Airliners don't need "extra lift". They need effective span, which cuts induced drag. Raked tips and winglets do the same thing - they increase the effective span, which reduces the induced drag. Boeing claims that if you lay down a winglet (make it flat), a raked tip of the same span is just as effective. API claims that the winglet is more effective. From the evidence I've seen, I agree with API.
 
ATAIndy
Posts: 664
Joined: Sat May 15, 2004 11:05 am

RE: First 757 With Winglets Pictures Uploaded

Fri Mar 11, 2005 10:54 am

That is one mighty fine lookin airplane!!! Wow! I hope one comes to IND... Oh well wishfull thinking  Yeah sure.

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