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2008matt
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New Fedex 767s Without Winglets?

Tue Jan 13, 2015 9:17 am

Hi Guys & Girls,

I was just looking at some of the new deliveries of 767Fs for Fedex, and I noticed that they don't seem to have winglets on them. Are they not money saving enough to make them worthwhile for Fedex? Or is there another reason?

Thanks

2008matt
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dispatchguy
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RE: New Fedex 767s Without Winglets?

Tue Jan 13, 2015 9:23 am

Ramp space issues with the winglets
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kiwiandrew

RE: New Fedex 767s Without Winglets?

Tue Jan 13, 2015 9:24 am

I believe that Boeing don't manufacture them with winglets, they have to be added. I know it sounds odd, but if I recall correctly there is a supplemental type certificate involved and only a limited number of places are authorised to do the modification. I'm open to correction though.

There is a thread in Tech Ops from 2010 which confirms that the 767 winglets are not available in production but only as a mod after manufacture. I'm on mobile at the moment so can't post the link.... but it only took me a minute or so to locate it by searching thread starters in the Tech / Ops forum using the word winglet. Hope that helps .

[Edited 2015-01-13 01:36:42]
 
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hilram
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RE: New Fedex 767s Without Winglets?

Tue Jan 13, 2015 9:26 am

The only 767's I have seen with winglets, are passenger versions of 767-300ER.
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2008matt
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RE: New Fedex 767s Without Winglets?

Tue Jan 13, 2015 9:30 am

Most of the UPS ones have them?
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TS-IOR
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RE: New Fedex 767s Without Winglets?

Tue Jan 13, 2015 10:46 am

Many UPS 767 Freighters have winglets, but maybe these were PAX before conversion. Anyway, Boeing doesn't fit them with winglets, but approved their installation through accredited companies.
 
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817Dreamliiner
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RE: New Fedex 767s Without Winglets?

Tue Jan 13, 2015 10:53 am

Quoting TS-IOR (Reply 5):
Many UPS 767 Freighters have winglets, but maybe these were PAX before conversion.

All of UPS' 767Fs are Pure freighters. None were converted from pax.
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b747400erf
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RE: New Fedex 767s Without Winglets?

Tue Jan 13, 2015 11:27 am

The drag trumps the savings below a certain distance. I could be wrong I am not an engineer but I remember reading this. Also ramp space. The LAN 767's they are leasing do have winglets.
 
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747classic
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RE: New Fedex 767s Without Winglets?

Tue Jan 13, 2015 11:30 am

The winglets are certificated for 767-300ER, 747-300(ER)F and 767-300BCF aircraft.

See STC : http://www.airweb.faa.gov/Regulatory...257b1d006591ee/$FILE/ST01920SE.pdf

For P/F conversion : http://www.aviationpartnersboeing.co...2/120517_APB_Boeing_767_BCF_BW.pdf

Winglets can only be fitted after production by an approved maintenance facility.
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TC957
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RE: New Fedex 767s Without Winglets?

Tue Jan 13, 2015 1:29 pm

Odd to me that UPS don't have ramp-space issues with their 763F''s with winglets then.
I think another reason is that Fed Ex will only use their 763F's domestically ( MD-10F replacements) and not on long-haul routes where the extra range would come in.
 
briboy
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RE: New Fedex 767s Without Winglets?

Tue Jan 13, 2015 1:50 pm

Only FedEx 767s with winglets are the ones on lease from LAN. Odd to see, really:


FedEx Boeing 767-300F; [email protected];23.12.2014 by Aero Icarus, on Flickr
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HPRamper
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RE: New Fedex 767s Without Winglets?

Tue Jan 13, 2015 5:35 pm

Quoting TC957 (Reply 9):
Odd to me that UPS don't have ramp-space issues with their 763F''s with winglets then.
I think another reason is that Fed Ex will only use their 763F's domestically ( MD-10F replacements) and not on long-haul routes where the extra range would come in.

UPS doesn't have issues because the 763F has really been with their fleet since the beginning so they planned around it. FX is just now getting them and now has to accommodate them in ramp space that was designed originally for the DC10 and 727.
 
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seabosdca
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RE: New Fedex 767s Without Winglets?

Tue Jan 13, 2015 6:35 pm

Quoting TC957 (Reply 9):
I think another reason is that Fed Ex will only use their 763F's domestically

   Most FedEx 767F flights are under 3 hours. So reconfiguring the ramp is really not worth the expense.

[Edited 2015-01-13 10:35:46]
 
LH707330
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RE: New Fedex 767s Without Winglets?

Tue Jan 13, 2015 10:50 pm

Quoting B747400ERF (Reply 7):
The drag trumps the savings below a certain distance. I could be wrong I am not an engineer but I remember reading this. Also ramp space. The LAN 767's they are leasing do have winglets.

It's the weight that trumps the drag, but yes, the advantages pay off more over longer distances. Add in the fact that the FX birds don't spend as much time airborne as the pax frames, and the economics of winglets further diminish.

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