How to stop the wind/whistle noise coming from cross bar

2012 ACURA TSX
800 MILES
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CV
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I just installed the cross bar on the top of my new 2012 TSX wagon.
There is a wind or whistle noise on the top whenever the speed is > 30 mph
Would you know how far I need to adjust the distance between the 2 cross bars in order to stop that noise?
I really appreciate your tips.
Mar 8, 2012 at 11:22 PM
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SATURNTECH9
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Your best bet would be to just play with it untill it stops whistling.
Mar 8, 2012 at 11:34 PM
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CV
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Do you think the shape of material could make the noise louder?

According the whistle physisc, it "works by causing the smooth flow of air to be split by a narrow blade, sometimes called a labium or windcutter, creating a turbulent vortex which causes the air to vibrate. By attaching a resonant chamber to the basic whistle, it may be tuned to a particular note and made louder. The length of the chamber typically defines the resonance frequency"

I am wondering the Acura cross bar shape could make it worst or not?
I would try to move around again, hopefully it will be stopped.
Thanks for your previous thought.
Mar 9, 2012 at 12:57 AM
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