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enter image description here
Source: wired.com

If indeed the Blue Edge blades reduce noise by 50%, could the similar design be used on [forward-facing] propellers without a penalty in speed or agility?

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    $\begingroup$ It would help if you cited your sources here, what blue edge blades are you referring to? $\endgroup$
    – GdD
    Commented Jan 27, 2020 at 9:20
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    $\begingroup$ That wiki page linked in the description is the saddest stub I've ever seen. The page on the Airbus H160 gives more info on the rotor design. This does seem to be progressing pretty slowly, given the original announcement for the blade design was a decade ago. There's also a fairly recent paper $\endgroup$
    – zymhan
    Commented Jan 27, 2020 at 23:05

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