Why do fans (and propellers) have different numbers of blades? What advantage is there to more or less blades? 1.72K viewsJanuary 3, 2024 Question100.55K April 20, 2020 0 Comments An actual question my five year old asked me and I couldn’t answer, please help! In: Physics 25 Answers ActiveNewestOldest Anonymous Posted April 20, 2020 0 Comments On top of all the replies you’ve already got, look up Betz’s law. Basically says that there is a limit to the efficiency of a wind turbine blade, only 59% of input energy can be recovered You are viewing 1 out of 25 answers, click here to view all answers. Register or Login
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