There are two new lift fan designs. One is the Boeing Phantom Swift, which uses two internal lift fans and two wing tip ducted fans.Here is the picture:
Another one is an annular ducted lift fan VOTL aircraft, which uses one annular duct:
http://www.mdpi.com/2226-4310/2/4/555/htm
Which design is better?
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November 19, 2015 at 4:30 pm