It may be so . . . but I've never seen a turbine spin faster than a "seconds" hand of a clock !Nrasobphobia » 18 Sep 2022, 5:48 pm » wrote: ↑ So why do wind turbines have such thin blades ? So they can spin faster and cause less drag in comparison to a wider blade and the fact they only need to be wide enough to generate enough torque to spin the turbine.