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Lt. Commander
Join Date: Dec 2007
Posts: 120
# 32
05-17-2012, 06:31 PM
Quote:
Originally Posted by WarpVis View Post
This is not the same thing as a ducted fan, a ducted fan is enclosed only around the outside edge, it still has an intake and an exhaust. This concept is completely enclosed.
The comparison to ducted fans arose when I noted that if you opened it up (i.e. gave it an intake and outlet to allow for actual thrust), it would be a ducted fan with airfoils downstream of the fan.