Shroud geometry for unmanned aerial-vehicles

Details Shroud geometry for unmanned aerial-vehicles Shroud geometry for unmanned aerial-vehicles

B - Operations, Transporting

64

C

B64C 27/20 (2006.01)

Patent

CA 2114121

An unmanned aerial vehicle (10) having a toroidal fuselage (20) that surrounds a pair of coaxial, multibladed, counter-ro- tating rotors (40). The toroidal fuselage (20) has an airfoil profile that is optimized to provide high hover efficiency and produce a pressure distribution that provide high lift forces. The airfoil profile is further optimized to counteract the undesirable nose-up pitching moments experienced by ducted rotary-type UAVs in forward translational flight.

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