CPC B64C 29/0033 (2013.01) [B64C 29/00 (2013.01); B64C 39/04 (2013.01); B64C 39/08 (2013.01); B64D 27/24 (2013.01)] | 19 Claims |
1. An aircraft comprising:
a fuselage;
a wing connected to the fuselage;
first and second booms connected to the wing on opposite sides of the fuselage;
no more than six propulsion systems, the propulsion systems including:
first and second forward propulsion systems tiltably connected to forward ends of the first and second booms such that the first and second forward propulsion systems are tiltable between a first position when the aircraft is in a hover mode in which the first and second forward propulsion systems rotate in a horizontal plane and a second position when the aircraft is in a cruise mode;
first and second aft propulsion systems fixedly attached proximate aft ends of the first and second booms, wherein each of the aft propulsions systems is angled outboard from a top surface of the one of the booms to which it is attached such that an axis of rotation of the aft propulsion system forms a non-zero angle outboard from a vertical axis; and
first and second wing-mounted propulsion systems connected to outboard ends of wings;
wherein the first and second wing-mounted propulsion systems are tiltable between a first position when the aircraft is in the hover mode and a second position when the aircraft is in the cruise mode;
wherein each of the first and second aft propulsion systems includes a rotor mast and a fairing configured to surround the rotor mast;
wherein each of a height of the fairings relative to a radius of the aft propulsion systems and a width of the fairings relative to a width of the booms is configured to minimize rotor-boom noise; and
wherein each of the propulsion systems includes a rotor assembly comprising a plurality of rotor blades.
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