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Posts: 2,990
Reply with quote  #81 
Great link, thanks Greg.

Solar is like the wind. It may be free, but putting it to work isn't!
Willie, Tampa Bay


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Reply with quote  #82 
I've made mistakes plenty of times when making performance measurements. With my anemometer I prefer to use MPH to take my readings as it reads only one digit to the right of the decimal and seems to be easier to settle in on a reading. It's also very relatable since I check my driving speed and wind speed with MPH. LFM, Meters/s, Knots, Kilometers/h, etcetera, are all useable too, but are either impractical being metric or nautical, or the reading changes so fast it's hard to get a steady reading. All measurements will work as long as you double check you are using the correct units of measure. My most common calculation error is forgetting to check for the proper radius for my duct size.

Sunny skies forecast tomorrow for I think only the 3rd day this December. High tomorrow of 15˚F with a low just below 0˚F. The coldest weather brings the sunniest skies!

Greg in MN
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