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sounds_sound  ·  4181 days ago  ·  link  ·    ·  parent  ·  post: A Human-Powered Helicopter: Straight Up Difficult

    I'm sure the 4-rotor setup is optimal since both groups used it.

I was thinking that one larger shaft with multiple stacked rotors could be effective also, but it seems like the kind of thing where one team had some success with an idea and everyone else sort of followed suite. Interesting how design often has to become iterative in an inbred sort of way for any real progress to be made. It has to be so edited in order to control it, that there is sometimes no way out of that particular thought stream.