Research in annular lift fan VTOL aircraft

Thread starter Flyingeagle
Start date 3 March 2017

Flyingeagle

ACCESS: Restricted

3 March 2017

Research in annular lift fan aircraft:
high hovering efficiency (9.03 lbs/hp) on almost tripled disk loading (28 lbs/ft2) of helicopters, high top cruise speed 0.7 Mach on thrust to weight ratio of 0.7
http://www.mdpi.com/2226-4310/4/1/13

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