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Old Jul 12, 2009, 11:07 am
  #256  
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Originally Posted by ConciergeMike
Water vapor.
Sorry to go OT on this thread but I would be really interested to know how this is caused. At this type of speed I would assume that all water vapor flies off the rear of the wings from the point its is generated. I don't understand how it goes to the end of the wing first and then falls off in a trail?

Also what causes this?
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Old Jul 12, 2009, 11:27 am
  #257  
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Originally Posted by lallyr
Sorry to go OT on this thread but I would be really interested to know how this is caused. At this type of speed I would assume that all water vapor flies off the rear of the wings from the point its is generated. I don't understand how it goes to the end of the wing first and then falls off in a trail?

Also what causes this?
http://en.wikipedia.org/wiki/Wingtip_vortices

It is caused by a drop in pressure, causing the water to freeze. Similar to the vapor seen in engine nacelles during take off on humid days:

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Old Jul 12, 2009, 11:32 am
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Originally Posted by lallyr
Sorry to go OT on this thread but I would be really interested to know how this is caused. At this type of speed I would assume that all water vapor flies off the rear of the wings from the point its is generated. I don't understand how it goes to the end of the wing first and then falls off in a trail?

Also what causes this?
You will have a full explanation to this phenomena if you do a search of 'contrail' in wikipedia.

Or, as rkkwan said in his post; brief and to the point.
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Old Jul 12, 2009, 11:35 am
  #259  
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Originally Posted by SQ4000
You will have a full explanation to this phenomena if you do a search of 'contrail' in wikipedia.
Contrails usually refer to the condensation caused by the engine exhaust. See my reply above.
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Old Jul 12, 2009, 11:48 am
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Originally Posted by rkkwan
Contrails usually refer to the condensation caused by the engine exhaust. See my reply above.
It also give a brief explanation of Wingtip vortices, it give an answer in the end, its sort of all roads leads to Rome
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Old Jul 13, 2009, 1:05 am
  #261  
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Thanks rkkwan & SQ4000 ^
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Old Jul 13, 2009, 1:15 am
  #262  
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Originally Posted by SQ4000
I enclose the full frame of the photo so you can judge the hight for yourself.
I feel compelled to commend you on your choice of cropping, too--as ConciergeMike said, it almost looks like a rendering or screenshot out of a flight sim. The full-frame photo loses that effect, so your cropping job really brings out the picture!
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Old Jul 21, 2009, 8:36 pm
  #263  
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Taken from the QF SYD F lounge last month.

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Old Aug 5, 2009, 1:28 pm
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Taken from the park across the road from the IN-N-OUT at LAX


From OW F Lounge at LAX
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Old Aug 5, 2009, 4:51 pm
  #265  
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Originally Posted by lancefan
Taken from the park across the road from the IN-N-OUT at LAX
"YouTube Air"? Subtle advertising...

(GREAT pics...you can actually read that tiny print! )
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Old Aug 5, 2009, 9:26 pm
  #266  
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Taken at the gate waiting to board this LH FRA-EZE flight.

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Old Aug 6, 2009, 10:57 am
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Originally Posted by HIDDY
Taken at the gate waiting to board this LH FRA-EZE flight.

^

I was going to take a similar pic in T5B at LHR but never got around to dragging myself out of the lounge and just ended up with this instead



Taken at SFO while waiting for my VX flight down to La La Land
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Old Aug 6, 2009, 2:06 pm
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Originally Posted by HIDDY
Taken at the gate waiting to board this LH FRA-EZE flight.
I like the contrails in the background. Where's everyone going, and what's the rush?
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Old Aug 7, 2009, 3:55 pm
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Real Madrid comes to Toronto. F-HAVN "Gloria" at YYZ today.

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Old Aug 8, 2009, 6:44 pm
  #270  
 
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Turkuaz Airlines arriving FRA

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