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Didn't realise that windmill blades are serrated (lemmy.world)

submitted 2 years ago by [email protected] to c/[email protected]

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Took the weans a walk away up the back of The Three Towns in Ayrshire where they are installing these big bad boys.

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[–] [email protected] 4 points 2 years ago (1 children)

Because they are too small?

Could be. As is said so often: physics doesn't scale. Trailing edge eddies may not be the major source of the noise in this anyway - since these are pushing air not being pushed by it.

[–] [email protected] 3 points 2 years ago

Yeah that makes sense I guess.