Roof Rack Vibration Noise

Set the item on the car roof.

Roof rack vibration noise.

If you re only going a short way this may not be an issue but for longer distances you will want to minimize this noise. Kayaks bikes surfboards cargo haulers fishing rods and cargo baskets are just some of the things people commonly use a roof rack to transport. Why does my roof rack make a noise. If the surface the wind passes over has a consistent shape the disturbance becomes tonal and at certain frequencies very annoying.

Roof racks are the pickup beds of the car world. Place the item you wish to carry squarely on top of your car s roof making sure it is centered both front to back and side to side. Vibration noise can sometimes occur when transporting with a roof rack. The wind noise we hear from some roof racks is known as aeolian no ise and is produced by wind when it passes over or through objects.

This not only proves annoying but indicates a loose connection that potentially could cause a problem. Two simple cross bars mounted to support towers can help transport all your gear to your favorite recreational venue. The secret to reducing the noise from roof straps lies in the proper strapping technique. Results from experimental modal analysis and sound pressure spectrum measurement in a wind tunnel indicate the direction of design modification for reduction of the roof rack noise and vibration.