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What Came Off Of The Left Wing After Takeoff?  
User currently offlinepotus From United States of America, joined Jan 2012, 15 posts, RR: 0
Posted (2 years 8 months 11 hours ago) and read 6244 times:

Hi,

Came across a clip of an C-5B taking off. As the aircraft took off, there was some stuff that came off the left wing. Is that condensation from the wing or something else?? I don't think its condensation.

http://www.youtube.com/watch?v=J2h45WRiO10


Potus

17 replies: All unread, jump to last
 
User currently offlineCadmus From United Kingdom, joined Jan 2004, 186 posts, RR: 0
Reply 1, posted (2 years 8 months 6 hours ago) and read 6151 times:

At 0:38 ?

I'm wondering if it's a light shining onto the fuselage - it does look as if it follows the curvature a bit. That said, I'm not sure why a light would be pointed there in broad daylight.



Understanding is a three-edged sword
User currently offlinebikerthai From United States of America, joined Apr 2010, 2137 posts, RR: 4
Reply 2, posted (2 years 8 months 5 hours ago) and read 6081 times:

Looks like a reflection off a mirror. The sun seems to be over head, so what ever is reflecting might be near the runway.

bt



Intelligent seeks knowledge. Enlightened seeks wisdom.
User currently offlineoldeuropean From Germany, joined May 2005, 2091 posts, RR: 4
Reply 3, posted (2 years 8 months 4 hours ago) and read 6067 times:

It's no reflection because it's also visible in the air behind the plane. (0:39)

[Edited 2012-02-03 06:53:21]


Wer nichts weiss muss alles glauben
User currently offlinerfields5421 From United States of America, joined Jul 2007, 7607 posts, RR: 32
Reply 4, posted (2 years 8 months 4 hours ago) and read 6052 times:

Looks like a bit of condensation created ice to me. It appears to dissipate most of its mass right as it appears with just a tiny part left as it gets to the aft end of the fuselage.

[Edited 2012-02-03 07:08:45]

User currently offlineGalaxy5007 From United States of America, joined Sep 2005, 626 posts, RR: 0
Reply 5, posted (2 years 8 months 3 hours ago) and read 6003 times:

Looks like ice blowing off the leading edge and over the wing as the airflow picked up under the wing. You can see it break up and dissipate as soon as it gets away from the plane.

I should note, although that jet is marked in Stewart colors still, it belongs and operated by the 167th AW out of Martinsburg (Stewart no longer operates C-5s).


User currently offlinebikerthai From United States of America, joined Apr 2010, 2137 posts, RR: 4
Reply 6, posted (2 years 8 months 2 hours ago) and read 5938 times:

Quoting rfields5421 (Reply 4):
Looks like a bit of condensation created ice to me. It appears to dissipate most of its mass right as it appears with just a tiny part left as it gets to the aft end of the fuselage.

Can't be ice unless it came out of the cockpit. The flowers tells me it's late spring or early summer.
The sun is over head, so it's not early morning cold/condensation.

My next guess is some gear oil burning up as some actuator is activated or some high pressure bleed system is venting. The plane have just rotated. Is there anything near the wing root that would have been activated?

bt



Intelligent seeks knowledge. Enlightened seeks wisdom.
User currently offline4holer From United States of America, joined Feb 2002, 3023 posts, RR: 9
Reply 7, posted (2 years 7 months 4 weeks 1 day 22 hours ago) and read 5709 times:

Quoting bikerthai (Reply 2):
Looks like a reflection off a mirror. The sun seems to be over head, so what ever is reflecting might be near the runway.

That's what it looks like to me. Multiple reflections from a parking lot maybe.



Ghosts appear and fade away.....................
User currently offlinebikerthai From United States of America, joined Apr 2010, 2137 posts, RR: 4
Reply 8, posted (2 years 7 months 4 weeks 1 day 22 hours ago) and read 5691 times:

Quoting 4holer (Reply 7):
That's what it looks like to me. Multiple reflections from a parking lot maybe.

At first I thought so. But others convinced me to look again.

It looks like there as a puff of smoke, then it trailed then dissipated or broke up.

The other thought was a white bird hit the leading edge and exploded with feathers dispersing. But I couldn't see any birds prior to the event.

bt



Intelligent seeks knowledge. Enlightened seeks wisdom.
User currently offlinespudh From Ireland, joined Jul 2009, 301 posts, RR: 1
Reply 9, posted (2 years 7 months 4 weeks 1 day 21 hours ago) and read 5667 times:

Quoting Cadmus (Reply 1):
I'm wondering if it's a light shining onto the fuselage - it does look as if it follows the curvature a bit. That said, I'm not sure why a light would be pointed there in broad daylight.

There's a clue at 31 seconds, a strong reflection from the sun off the cockpit window. I reckon its a reflection from another windscreen, watch the way it follows the contours of the plane even underneath the tail ramp


User currently offlinebikerthai From United States of America, joined Apr 2010, 2137 posts, RR: 4
Reply 10, posted (2 years 7 months 4 weeks 1 day 20 hours ago) and read 5635 times:

Quoting spudh (Reply 9):
I reckon its a reflection from another windscreen, watch the way it follows the contours of the plane even underneath the tail ramp

But you can see some of the white puff at the end not on the airframe.

bt



Intelligent seeks knowledge. Enlightened seeks wisdom.
User currently offlinespudh From Ireland, joined Jul 2009, 301 posts, RR: 1
Reply 11, posted (2 years 7 months 4 weeks 1 day 20 hours ago) and read 5620 times:

Quoting bikerthai (Reply 10):
But you can see some of the white puff at the end not on the airframe.

bt, i've watched it loads now and to be honest can't see anything resembling a puff after the 'reflection' runs off the tail. There seems to be a second 'reflection' with the same pattern just on the tail ramp after the first one runs off but right now my brain won't let me see it as anything else  .


User currently offlineGalaxy5007 From United States of America, joined Sep 2005, 626 posts, RR: 0
Reply 12, posted (2 years 7 months 4 weeks 1 day 19 hours ago) and read 5594 times:

I checked out the video again at home on my screen and its definitely a reflection sunlight.

User currently offlineGatorman96 From United States of America, joined Dec 2005, 873 posts, RR: 0
Reply 13, posted (2 years 7 months 4 weeks 1 day 17 hours ago) and read 5523 times:

Quoting Galaxy5007 (Reply 12):
I checked out the video again at home on my screen and its definitely a reflection sunlight.

Agreed, it's some kind of reflection. The flash only appears on the fuselage and doesn't trail at all behind the aircraft....



Cha brro
User currently offlinePC12Fan From United States of America, joined Jan 2007, 2445 posts, RR: 5
Reply 14, posted (2 years 7 months 4 weeks 5 hours ago) and read 5190 times:

Quoting Galaxy5007 (Reply 12):
I checked out the video again at home on my screen and its definitely a reflection sunlight.

Viewing on small screens it has the strong appearance of something falling off the aircraft. But on a full screen or big screen, it becomes obvious that it is a reflection.

Good catch.



Just when I think you've said the stupidest thing ever, you keep talkin'!
User currently offlinesoon7x7 From , joined Dec 1969, posts, RR:
Reply 15, posted (2 years 7 months 3 weeks 6 days 15 hours ago) and read 5059 times:

May have been condensation moisture trapped in the lower skin well behind the aft spar. Depending on the fuel load the not all the moisture drains out of the weep holes in the lower wing panels till the aircraft gets under way and gets sucked out. Upon rotation the airflow drawers this moisture out past the flap leading edge. It makes sense if this were a turn around flight or it rained during an overnight stay. That is what I see from the video. I've seen this on take off especially in Fokker 100's from the spoiler well above the wing. Acceleration and pitch angle move the moisture aft into the slipstream and appears as a vortex or spray stream...g

User currently offlinebikerthai From United States of America, joined Apr 2010, 2137 posts, RR: 4
Reply 16, posted (2 years 7 months 3 weeks 6 days 5 hours ago) and read 4955 times:

Quoting spudh (Reply 11):

At 39 seconds or there about, you can see the "anomaly" trailing off the rear cargo door and there is a patch on one of the right MLG tire. I wouldn't think the tires will be that reflective. Then a split second after that, you can see a light white streak just below the right MLG. That too may be a refraction off the lens, but it would be too much of a coincident. You may have to be quick with the pause button to see it.

Quoting soon7x7 (Reply 15):

You have my vote for now.

bt



Intelligent seeks knowledge. Enlightened seeks wisdom.
User currently offlineCALTECH From Poland, joined May 2007, 2252 posts, RR: 26
Reply 17, posted (2 years 7 months 3 weeks 1 day 15 hours ago) and read 4552 times:

Looks like reflections of the runway markings and lights. Looking at videos of other C-5s and 747s among others, one can see this. Especially those with bare metal bellies.


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