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

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Patrick R7