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Owls can make you go faster (and more quietly)

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Moderator: Pricey_sky

Owls can make you go faster (and more quietly)

16 Nov 2016 21:17

The article below reports a 10 decibel noise reduction for wind turbines by mimicking the owl wing. That also translates to less energy loss. Wind turbines are in the same speed range as bicycles :


Maybe we will see feathered spokes?
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20 Nov 2016 21:26

And when I just read the headline I was imagining some sort of weird contraption by which owls would somehow pull the bike, very quietly.
My mind works strangely when I'm tired. My mind works strangely all the time...
Aka The Ginger One.
User avatar RedheadDane
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21 Nov 2016 12:15

Wind turbines are pretty different to wheels. As for translating into less energy loss, I'm skeptical, especially when you read this:

Streamwise-oriented 'finlets' are installed on a wing or blade trailing-edge to reduce trailing-edge noise by up to 10dB without substantial changes to the aerodynamic performance and over a range of angles of attack

aerodynamic loses are bad, would need to see a lot more info on this but it seems unlikely for bikes based on this article.
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"I know how to ride a bike"

Reduce your carbon footprint, ride steel.
User avatar King Boonen
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