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Old 30th November 2008 | 14:28
  #18 (permalink)  
barit1
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Joined: Feb 2005
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From: flyover country USA
Once again, it depends on the mission.

If you need to take off from small airfields, the prop does the job because of its great mass flow and static thrust. (If you need to take off vertically, turn the prop axis 90 degrees and make the blades longer... )

If you need to cruise long distances at high speed, the fan does the job, with the tradeoff of requiring many acres of concrete.
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