Comments by "Joe R M" (@joermnyc) on "Why are airplanes slower than they used to be? - Alex Gendler" video.

  1. High efficiency engines can’t operate above 945km/h, without pulling in more air? So put in a damper, or ramp, like the SR-71, which hit over 3 times the speed of sound.... (but that was bascially a flying fuel tank with a camera since it used military jet engines.)
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