A vertical takeoff and landing unmanned aerial vehicle and a cooling system for the unmanned aerial vehicle. Heat dissipation in an arm of an unmanned aerial vehicle is achieved by providing a forward-facing opening at the front end of each of a left linear support and a right linear support of the unmanned aerial vehicle, thereby achieving the purposes of lowering temperature in the arm and protecting equipment in the arm.

A fan for providing thrust including at least one blade, a hub adapted to carry the at least one blade, a hub motor adapted to rotate the hub 360 degrees about a first axis extending perpendicular to the at least one blade, a first mount adapted to carry the hub, and a first mount motor adapted to rotate the hub 360 degrees about a second axis perpendicular to the first axis and extending through the first mount first and second side securing points. The first mount may include a first mount first side securing point adapted to pivotally carry the hub, and a first mount second side securing point adapted to pivotally carry the hub.

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for an unmanned aerial system inspection system. One of the methods is performed by a UAV and includes obtaining, from a user device, flight operation information describing an inspection of a vertical structure to be performed, the flight operation information including locations of one or more safe locations for vertical inspection. A location of the UAV is determined to correspond to a first safe location for vertical inspection. A first inspection of the structure is performed is performed at the first safe location, the first inspection including activating cameras. A second safe location is traveled to, and a second inspection of the structure is performed. Information associated with the inspection is provided to the user device.

An unmanned aerial vehicle (UAV) launching assembly for monitored and stable launching of UAVs is provided. The assembly includes a container having an open upper end and a bottom end separated by a distance, wherein the container is adapted to accept therein at least one UAV; and at least one fixture extending from the bottom end of the container towards the open upper end of the container, wherein the at least one fixture extends to at least a height equal to the distance separating the bottom end of the container from the open upper end of the container, wherein the at least one fixture is adapted to be accepted by at least one corresponding element of the at least one UAV, and wherein the at least one fixture is adapted to allow vertical motion of the at least one UAV within the container.

A cycloidal rotor is provided having a flexible by actuators or self-flexing blade-positioning tack, which can be brought into shape corresponding to currently desired blade orbit. This rotor can also be provided with frontal shielding or partial enclosure to assure that rotor operates at any speed as if in hovering flight; rotor track can be inclined to produce forward thrust or external thrusters can be used. Optionally in other embodiments blade orbit shape is determined by a variable cam mechanism or the inclination of blade positioning track of fixed shape to produce a change of its projected shape onto blades' plane of operation thus changing blades elliptic orbit. Blade centrifugal force countervailing mechanism is also proposed.

By providing propellers for vertical ascent and descent and for horizontal flight, and a blade for horizontal flight, it is possible to obtain an aerial vehicle capable of high speed horizontal flight and capable of flying a long distance.

A method of migrating unmanned aerial vehicle (UAV) operations between geographic survey areas, including: uploading a first plurality of flight missions into a first UAV pod; deploying the UAV pod; autonomously launching the UAV from the UAV pod a plurality of times to perform the first plurality of flight missions; providing first survey data from the UAV to the UAV pod; autonomously migrating the UAV from the first UAV pod to a second UAV pod; receiving a second plurality of flight missions in a second UAV pod; providing the UAV with one of the second plurality of flight missions from the second UAV pod; autonomously launching the UAV from the second UAV pod a plurality of times to perform the second plurality of flight missions; and providing a second survey data from the UAV to the second UAV pod; where the autonomous migrating of the UAV to accomplish the first and second survey data happens autonomously and without active human intervention.

A flexible landing gear system for a vertical take-off and landing (VTOL) aircraft is disclosed. The flexible landing gear system may comprise a mounting bracket, a plurality of flexible supports, and plurality of surface contactors. The mounting bracket may be configured to couple to the VTOL aircraft. Each of the plurality of flexible supports comprising a proximal end and a distal end. The plurality of flexible supports may be coupled to the mounting bracket at a proximal end. A surface contactor may be positioned at the distal end of each of the plurality of flexible supports. The low-friction contactor may be a lightweight spherical ball, while the flexible support may be a flexible semi-rigid wire comprising a tempered high-carbon steel.

In an embodiment, an aircraft includes an airframe and a first propulsion assembly coupled to the airframe. The first propulsion assembly includes a first rotor hub and a first plurality of rotor blades non-uniformly spaced about the first rotor hub and operable to rotate in a rotor plane with the first rotor hub. The aircraft also includes a second propulsion assembly coupled to the airframe. The second propulsion assembly includes a second rotor hub and a second plurality of rotor blades non-uniformly spaced about the second rotor hub and operable to rotate in a rotor plane with the second rotor hub.

The invention relates to a hybrid drone for transporting or delivering objects 124, comprising at least one first wing 102 having an airfoil, at least one first and one second longitudinal drive unit 104, wherein the first longitudinal drive unit 104 and the second longitudinal drive unit 104 are arranged on the at least one wing 102, an object-holding device 110 formed on an upper side or on an underside between the first and second longitudinal drive units 104 and for holding an object 124, and a regulating unit formed for regulating the hybrid drone, in particular the drive units, based on control signals. The hybrid drone further comprises at least one first high drive unit 105, wherein the first high drive unit 105 is aligned or is pivotally alignable such that a thrust force that can be generated by means of the high drive unit 105 acts substantially orthogonally to the longitudinal direction 106 and substantially parallel to a vertical axis 116 of the hybrid drone, and the first high drive unit 105 is arranged with a defined lever distance relative to the center of gravity of the hybrid drone, and wherein a pitch angle of the hybrid drone in the flight state is adjustable by means of the first high drive unit 105. In addition, at least one holding element is provided, which is associated with the underside in a front region of the hybrid drone, wherein the holding element is configured for releasably arranging, in particular for hooking, the hybrid drone on a top-ending vertical receiving structure.