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Why Is Fuel Coming Out The Wing?  
User currently offlineWrighbrothers From United Kingdom, joined Jul 2005, 1875 posts, RR: 9
Posted (8 years 10 months 1 week 5 days 16 hours ago) and read 4675 times:

Hello all, Just a quick one

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Photo © Mark A Harris


"Fuel pouring out left side wing as she rotates."

It surly can't be fuel can it ?
I am here to be corrected but, why would there be fuel coming out the wing, was dumping fuel?, or is it one of those optical allusions ?

Cheers, Wrighbrothers


Always stand up for what is right, even if it means standing alone..
9 replies: All unread, jump to last
 
User currently offlineWhiteHatter From , joined Dec 1969, posts, RR:
Reply 1, posted (8 years 10 months 1 week 5 days 16 hours ago) and read 4625 times:

If you mean the trail from the tail area, it looks like it could be smoke from a chimney under the R5 door area in the picture.

There is a fuel 'overflow' mechanism in the outer wing though. You might be better off asking in tech-ops about it, and there is a picture in the database somewhere of an overfueled Air Atlanta 742 with fuel streaming from its outer left wing.


User currently offlineEMBQA From United States of America, joined Oct 2003, 9364 posts, RR: 11
Reply 2, posted (8 years 10 months 1 week 5 days 15 hours ago) and read 4517 times:

Quoting Wrighbrothers (Thread starter):
It surly can't be fuel can it ?
I am here to be corrected but, why would there be fuel coming out the wing, was dumping fuel?, or is it one of those optical allusions ?

It's fuel. With longhaul flights the aircraft is often fueled to it maximum fuel load. Fuel will sometimes make it into the surge tank and due to heat expansion. When the aircraft starts its take off roll a NACA duct allows air into the surge tank and can force the excess fuel out. Altough not common, it can happen with some flights.



"It's not the size of the dog in the fight, but the size of the fight in the dog"
User currently offlineHMUcfm56 From Germany, joined Jul 2005, 74 posts, RR: 0
Reply 3, posted (8 years 10 months 1 week 5 days 15 hours ago) and read 4437 times:

Quoting WhiteHatter (Reply 1):
there is a picture in the database somewhere of an overfueled Air Atlanta 742 with fuel streaming from its outer left wing.

http://www.airliners.net/open.file/789603/L/


User currently offlineWrighbrothers From United Kingdom, joined Jul 2005, 1875 posts, RR: 9
Reply 4, posted (8 years 10 months 1 week 5 days 13 hours ago) and read 4396 times:

Thank you to who ever moved this thread  Smile

Quoting HMUcfm56 (Reply 3):

WOW,  Wow!

Wrighbrothers



Always stand up for what is right, even if it means standing alone..
User currently offlineHAWK21M From India, joined Jan 2001, 31679 posts, RR: 56
Reply 5, posted (8 years 10 months 1 week 4 days 23 hours ago) and read 4163 times:

Quoting EMBQA (Reply 2):

Thats the Answer.
Although on a B744.Is the Centre tank vented to #1 or #2 Tank Vent.
regds
MEL



Think of the brighter side!
User currently offlineWrighbrothers From United Kingdom, joined Jul 2005, 1875 posts, RR: 9
Reply 6, posted (8 years 10 months 1 week 4 days 17 hours ago) and read 4098 times:

Quoting EMBQA (Reply 2):
It's fuel. With longhaul flights the aircraft is often fueled to it maximum fuel load. Fuel will sometimes make it into the surge tank and due to heat expansion. When the aircraft starts its take off roll a NACA duct allows air into the surge tank and can force the excess fuel out. Altough not common, it can happen with some flights.

Thanks  Smile

Wrighbrothers



Always stand up for what is right, even if it means standing alone..
User currently offlineWingscrubber From UK - England, joined Sep 2001, 848 posts, RR: 0
Reply 7, posted (8 years 10 months 1 week 4 days 14 hours ago) and read 4048 times:

This a/c, G-BNLM was in Cardiff for it's C-check while I was on my engineering scholarship there - is flying with a booster pump held in with my wire-locking, spinner on no. 1 engine fitted by me, crack in no. 3 pylon repaired by me...and that pic taken in sydney while I was still working there, just days afterward in fact... Quite humbling for a trainee engineer, was just hoping that fuel leak wasn't my fault Embarrassment


Resident TechOps Troll
User currently offlineWrighbrothers From United Kingdom, joined Jul 2005, 1875 posts, RR: 9
Reply 8, posted (8 years 10 months 1 week 4 days 13 hours ago) and read 4031 times:

Hi Wingscrubber

Quoting Wingscrubber (Reply 7):
This a/c, G-BNLM was in Cardiff for it's C-check while I was on my engineering scholarship there - is flying with a booster pump held in with my wire-locking, spinner on no. 1 engine fitted by me, crack in no. 3 pylon repaired by me...and that pic taken in sydney while I was still working there, just days afterward in fact... Quite humbling for a trainee engineer, was just hoping that fuel leak wasn't my fault

Realy!, Must have been quiet sureal !.
Please don't answer if you don't want to , i'll fully understand but, Are you going to work for BA engineering ?

Cheers
Wrighbrothers



Always stand up for what is right, even if it means standing alone..
User currently offlineHAWK21M From India, joined Jan 2001, 31679 posts, RR: 56
Reply 9, posted (8 years 10 months 1 week 4 days 12 hours ago) and read 4020 times:

Quoting Wingscrubber (Reply 7):
Quite humbling for a trainee engineer

Whats a Trainee Engineer out there.What Qualification.You Still cannot certify right.
regds
MEL



Think of the brighter side!
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