How do you measure wind speed?

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In this video we look at how you can measure wind speed using cup and vane type anemometers.
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Wind in place like city centre is changing very frequently - not only direction but speed as well. Wrong place for tests. Something like airport field and scale + pole will be way better.

bialyk
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It's a fun exercise for your brain to build your own anemometer of out household items. Set it up and calculate wind speed without anything but mathematics. Yes and wind of course. Taking one measurement is slow, but once you have all the geometric forms. And ignore things like friction you can get pretty close! You might need a recording device like a mobile phone unless you're able to see how many turns the device makes over a given time! The fun is using your brain to figure out the correct math to use.

martinaronsen