Talk:Helicopter noise reduction

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Aviation: Rotorcraft

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Assessment comment[edit]

The comment(s) below were originally left at Talk:Helicopter noise reduction/Comments, and are posted here for posterity. Following several discussions in past years, these subpages are now deprecated. The comments may be irrelevant or outdated; if so, please feel free to remove this section.

Born2flie: Probably closer to a B-class article, but I would have to read it through a lot more closely. --22:48, 7 January 2007 (UTC)[reply]

Last edited at 22:48, 7 January 2007 (UTC). Substituted at 17:35, 29 April 2016 (UTC)

Volume relativity between types of noises[edit]

For example: What is louder: the rotor or the engine?
What I'm missing is a graph showing the volume relativity between all the types of helicopter noises. That is:

on the vertical axis: the volume.
on the horizontal axis: the models, sorted by their years of putting the model into the market.

Because, for example: in a Bell UH1D the relativities myght differ much from latest models.
Steue (talk) 02:42, 5 May 2022 (UTC)[reply]