kdot2 kdot2
  • 20-11-2015
  • History
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what was the challenge in building an airplane

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HistoryGuy HistoryGuy
  • 22-11-2015
One of the most significant challenges is building an airplane had to do with "propulsion", since the technology that allowed motors to have enough energy to lift an airplane into the sky with a passenger wasn't available for most of history. 
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