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Winglet in flight



 
 
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  #1  
Old October 19th 08, 09:40 AM posted to alt.binaries.pictures.aviation
Patrick R7
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Posts: 119
Default Winglet in flight

septembre 2007 North Atlantic
--
Patrick R7

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  #2  
Old October 19th 08, 03:03 PM posted to alt.binaries.pictures.aviation
Bruce R
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Posts: 316
Default Winglet in flight


"Patrick R7" wrote in message
...
septembre 2007 North Atlantic
--
Patrick R7


Any idea what the black streaks are coming back to the trailing edge?
Hydraulic fluid? Bird ****? Slow moving baggage handlers??

Bruce

  #3  
Old October 19th 08, 03:15 PM posted to alt.binaries.pictures.aviation
Ken Murphy[_2_]
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Posts: 30
Default Winglet in flight

On Sun, 19 Oct 2008 10:03:10 -0400, "Bruce R"
wrote:


"Patrick R7" wrote in message
...
septembre 2007 North Atlantic
--
Patrick R7


Any idea what the black streaks are coming back to the trailing edge?
Hydraulic fluid? Bird ****? Slow moving baggage handlers??

Bruce


Bruce -

The "black streaks" are, in fact, static discharge wicks, to dissipate
static electricity.

See here for excellent description: -
http://www.aerospaceweb.org/question/design/q0234.shtml

Ken


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  #4  
Old October 19th 08, 03:15 PM posted to alt.binaries.pictures.aviation
Patrick R7
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Posts: 119
Default Winglet in flight

Bruce R a écrit :

"Patrick R7" wrote in message
...
septembre 2007 North Atlantic
--
Patrick R7


Any idea what the black streaks are coming back to the trailing edge?
Hydraulic fluid? Bird ****? Slow moving baggage handlers??

Bruce


Hydraulic fluid, I think.

The same wing during landing
--
Patrick R7

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  #5  
Old October 19th 08, 03:16 PM posted to alt.binaries.pictures.aviation
Patrick R7
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Posts: 119
Default Winglet in flight

Ken Murphy a écrit :
On Sun, 19 Oct 2008 10:03:10 -0400, "Bruce R"
wrote:

"Patrick R7" wrote in message
...
septembre 2007 North Atlantic
--
Patrick R7

Any idea what the black streaks are coming back to the trailing edge?
Hydraulic fluid? Bird ****? Slow moving baggage handlers??

Bruce


Bruce -

The "black streaks" are, in fact, static discharge wicks, to dissipate
static electricity.

See here for excellent description: -
http://www.aerospaceweb.org/question/design/q0234.shtml

Ken


OK :-) Thanks

--
Patrick R7
  #6  
Old October 19th 08, 04:26 PM posted to alt.binaries.pictures.aviation
Wayne Paul
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Posts: 905
Default Winglet in flight

A few glider winglets in flight.

Wayne
http://www.soaridaho.com/








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  #7  
Old October 19th 08, 04:27 PM posted to alt.binaries.pictures.aviation
[email protected]
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Posts: 1
Default Winglet in flight

On Sun, 19 Oct 2008 10:03:10 -0400, "Bruce R"
wrote:


"Patrick R7" wrote in message
...
septembre 2007 North Atlantic
--
Patrick R7


Any idea what the black streaks are coming back to the trailing edge?
Hydraulic fluid? Bird ****? Slow moving baggage handlers??

Bruce


Grease from the flap actuators. They are screws that run out the
flaps when the electric or hydraulic motors are told to move the
flaps. The lubricant is fully exposed to the wind when flaps are
out the grease will blow back against the leading edge of the flap and
spread then run off the flap as showing in this picture.

DF
  #8  
Old October 20th 08, 09:25 PM posted to alt.binaries.pictures.aviation
Ken Murphy
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Posts: 22
Default Winglet in flight

On Sun, 19 Oct 2008 16:15:57 +0200, Patrick R7
wrote:


Any idea what the black streaks are coming back to the trailing edge?
Hydraulic fluid? Bird ****? Slow moving baggage handlers??

Bruce


Hydraulic fluid, I think.

The same wing during landing


Apologies to all for the answer of static wicks. I figured grease is
grease!

But I did like the "..baggage handlers".

Ken
  #9  
Old October 20th 08, 10:13 PM posted to alt.binaries.pictures.aviation
Jacques[_2_]
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Posts: 51
Default Winglet in flight

Easy . . . used to be one of those "baggage handlers" at one time . . .
Jacques

"Ken Murphy" wrote in message
...
On Sun, 19 Oct 2008 16:15:57 +0200, Patrick R7
wrote:


Any idea what the black streaks are coming back to the trailing edge?
Hydraulic fluid? Bird ****? Slow moving baggage handlers??

Bruce


Hydraulic fluid, I think.

The same wing during landing


Apologies to all for the answer of static wicks. I figured grease is
grease!

But I did like the "..baggage handlers".

Ken



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