Gulfstream Files Patent for Quieter Nose Gear
As engines become quieter, the aerodynamic noise created by disturbed airflow around the aircraft itself makes up more of the overall noise signature.

Gulfstream filed a patent last week for a new undercarriage configuration that significantly reduces the amount of noise created when an aircraft flies with the landing gear deployed. As engines have become ever quieter, the aerodynamic noise created by disturbed airflow around the aircraft itself makes up an increasing proportion of the overall noise signature.

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