Quote:
Originally Posted by AeroMcAeroFace
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I was planning on starting a "why don't cars have sails on them?" thread later this week, but the veritasium video delayed me.
I have been thinking about the downwind faster than the wind thing for years and still don't fully understand it, but I agree that the cylindrical earth thing makes the most sense.
I don't believe it is fake at all, but very limited in application, without gearing and a variable pitch/speed propeller it seems to need a narrow band of winds to be possible.