PPRuNe Forums - View Single Post - Night Stalker MH-47 modifications

11th Aug 2020, 11:31

#7 (permalink)

212man

Join Date: Oct 1999

Location: Den Haag

Age: 57

Posts: 6,278

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Surely in order for the noise cancelling to work the speakers would need to be emitting sound waves with the same energy as the actual blades noise?

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