Comments by "José Veinte Genario -NISU" (@joseveintegenario-nisu1928) on "Ziroth" channel.

  1. Would a CounterPropeller, after the turning propeller, same concept as fixed vanes in turbines, improve ordinary simple propellers?
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  2. Would this lift and propulsion device provide any lift in case of engine failure? Probably not, thus, invalid to carry people.
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