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

submitted 2 years ago by Finnbot@lemmy.world to c/ukcasual@lemmy.world

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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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[-] GreyShack@lemmy.world 2 points 2 years ago

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.

[-] Trail@kbin.social 1 points 2 years ago

Yeah that makes sense I guess.

this post was submitted on 16 Jun 2023

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