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Sensors? On Wings

Femme From , joined Dec 1969, posts, RR:
Posted (6 years 3 months 1 week 1 day 17 hours ago) and read 1380 times:

Can anyone tell me what those little rods/pointers situated on the edge of the wings are ? ( Theres at least 8 or more per wing )

I often get a window seat when flying and wonder exactly what they are and what they measure? ( I presume ? )

I apologise if this is a repeated query/post and very basic......I am still learning !!

Regards
Claire

4 replies: All unread, jump to last

Mir From United States of America, joined Jan 2004, 19813 posts, RR: 56
Reply 1, posted (6 years 3 months 1 week 1 day 16 hours ago) and read 1364 times:

If you mean the things on the back of the wing like in this photo (attached to the aileron and on the canoes):

View Large View Medium
Click here for bigger photo!

Photo © Krzysztof Malek

They're not sensors, they're static wicks, which dissipate static electricity built up as the plane flies through the air.

-Mir

7 billion, one nation, imagination...it's a beautiful day

HAWK21M From India, joined Jan 2001, 31228 posts, RR: 58
Reply 2, posted (6 years 3 months 1 week 1 day 15 hours ago) and read 1340 times:

Static Dischargers.

regds
MEL

Think of the brighter side!

ThirtyEcho From United States of America, joined Dec 2001, 1635 posts, RR: 1
Reply 3, posted (6 years 3 months 1 week 10 hours ago) and read 1183 times:

Anti-static wicks were first used on airplanes 90 years ago and, on Zeppelins, over 100 years ago.

I'm surprised that anybody doesn't know what they are but I'm glad that you asked.

Cdekoe From United States of America, joined Nov 2006, 57 posts, RR: 0
Reply 4, posted (6 years 3 months 1 week 2 hours ago) and read 1119 times:

Claire,

Static dischargers were developed by the US Navy when electronic communication and navigation equipment was first introduced on aircraft. Air friction on the fuselage causes electro-static buildup. Without the static dischargers this will reach a high voltage before dissipating into the surrounding air, causing 'sparks' that sound like crackling noises on the radios and disrupt navigation signals.
The static dischargers provide a conductor for this static electricity to flow off before a high voltage is built up.
No more sparks... clear communications! Wink

We can't solve problems by using the same kind of thinking we used when we created them.

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