18 Sep 2022 6:16 pm
Well . . . I've never seen a wind turbine spin faster than the clock on my wall !Cucurbitophobia » 18 Sep 2022, 5:48 pm » wrote: ↑ So they can spin faster and cause less drag in comparison to a wider blade.
I may be wrong . . . but that's what I've seen !
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On the other hand . . . if I put fan #1 right in front of a switched-off (#2) fan and switch #1 on . . . it makes #2 spin like crazy !
This anyone can try !
Never fails !
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But I'm not a rocket scientist !