Separate Lift Thrust (SLT) The Market

DARPA TERN gets a concept video


There seems to be a civil /military divide opening up. The military is siding towards tail sitters and the civilian world separate lift thrust. The only current exception to the rule being the Aerovel Flexrotor.

Either approach has merits. A tailsitter is way more efficient in horizontal flight but difficult to land in high winds vertically.

Separate lift thrust drags the multirotor around it with it once the take off is out the way and that is a waste of payload.

It will be interesting to see how the vertical capable fixed wing market looks in five years time.

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