PPRuNe Forums - View Single Post - Lilium vertical take off "jet"
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Old 16th May 2016, 07:03
  #7 (permalink)  
PDR1
 
Join Date: Nov 2015
Location: Mordor
Posts: 1,315
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No vertical surfaces? Is the directional stability synthetic as well?

Also canard is at the same height as the mainplane, so the inner 25% iof each semispan won't do anything useful.

From that picture it looks like the man propulsion uses ducted fans embedded in the flaps, which would have intakes above the mainplane in forward flight. This could provide some "blown" surface enhancement in the cruise (when you shouldn't need it) which will suddenly disappear as soon as the flap/thrusters are dropped for transition to the hover (when you WOULD need it).

The originator should be given some crayons and left to amuse himself while grown-ups are talking. Oh, he was...

PDR
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