Abstract: Trailing edge assemblies, couplers and methods for deploying a trailing edge flap of an aircraft wing are disclosed. An exemplary method disclosed herein comprises guiding an aft portion of the trailing edge flap along an elongated track member as the trailing edge flap moves toward the deployed position; guiding a forward portion of the trailing edge flap along the elongated track member as the trailing edge flap moves toward the deployed position; and accommodating transverse movement of the forward portion of the trailing edge flap relative to the elongated track member.

Abstract: A remote piloted aircraft comprising a secondary flight assembly adapted to intervene in case of failure or an emergency of the aircraft, said secondary flight assembly being provided with an additional control unit configured to process flight relevant data and which includes an additional receiver configured to receive commands from the remote pilot by means of a remote control unit, in case of failure or emergency said additional control unit being configured to generate, as a response, an activation command adapted to activate a first device to expel an upper wing placed in a first compartment of the aircraft and to inflate a lower wing housed in a second compartment of the aircraft, and also to generate an interdiction command of the primary propulsion unit, said upper wing being maneuverable by means of a further remote control unit.

Abstract: System for precision irrigation is disclosed, the system comprises a main line. A plurality of sub main lines, wherein the plurality of sub main lines are configured to receive fluid from the main line. Further the system comprises a plurality of emitters lines emerging from at least one of the plurality of the sub main lines; wherein each emitter lines from the plurality lines has a length of at least 150 ft. A plurality of valves, wherein each valve is configured to connect at least one emitter line, from the plurality of emitter lines, with the at least one sub main line, from the plurality of sub main lines. The system further comprises a drone configured to communicably connect with the plurality of valves, wherein the drone is configured to receive a set of pre-defined instructions from a remote server and control the plurality of valves based on the instructions.

Abstract: In a hybrid flight vehicle, having multiple rotors attached to a frame, a gas turbine engine to drive the rotors; a generator connected to the gas engine to generate electric power, a battery store the electrical power generated by the generator. multiple first electric motors connected to the rotors to drive the same by the electric power supplied from the battery, a second electric motor connected to the gas turbine engine to motor the engine by the electric power supplied from the battery and a control unit to control flight, wherein the control unit stops supply of the fuel to the engine when a detected residual of the battery is equal to or greater than a predetermined value, and supplies electric power to the second electric motor to motor the engine when a detected temperature of the engine is equal to or higher than a predetermined temperature.

Abstract: An aircraft-floor element comprising a first cladding element configure to be swung from a first position to a second position. In the first position, the first cladding element is arranged parallel to a main plane of the aircraft-floor element and on a side of the aircraft-floor element which is directed towards a passenger cabin. In the second position, the first cladding is arranged at an angle to the main plane of the aircraft-floor element, wherein it forms a cladding for a cargo space. An aircraft zone having an aircraft-floor element and an aircraft having such an aircraft zone are also disclosed.

Abstract: A propeller propulsion unit, comprising at least one kinematic system comprising at least: a heat engine, an electrical energy generator, an electric motor configured to generate a rotary movement as output from the electrical energy generated by the electrical energy generator, a drive and selection device configured to assume a first configuration, in which it is coupled to the output of the electric motor, and a second configuration, in which it is coupled to the main shaft of the heat engine, and a propeller rotated by the drive and selection device. Such a propeller propulsion unit with a hybrid engine allows more power to be provided and facilitates maintenance and ergonomics and is safer.

Abstract: A fishing line weight according to an exemplary embodiment of the present invention includes a first tungsten body including a first hole, a first projection and a first groove. A second tungsten body includes a second hole substantially aligned with the first hole, a second projection substantially aligned with the first groove and a second groove substantially aligned with the first projection. A copper pin is disposed in the first hole and the second hole. The first tungsten body is unconnected from the second tungsten body.

Abstract: A missile comprises a generally cylindrical body having a distal end and a proximal end; a nosecone having a pointed distal end and a proximal end, wherein the proximal ends of the body and nosecone are oriented toward each other; a forward angled section rotatably attached to the proximal end of the nosecone at its forward edge, the opposite end of the forward angled section having an angled edge perpendicular to the longitudinal axis except for the angle defined by the edge; a rear angled section rotatably attached to the proximal end of the body at its rear edge, the opposite end of the forward angled section having an angled edge matching the angled edge of the forward angled section, the angled edges of the forward angled section and the rear angled section being rotatably attached.

Abstract: A fish bite indicator utilizes a line retainer coupled to a pivot arm and configured to rotate to bring a pair of electrical contacts into contact with a circuit contact to complete a circuit and activate an indicator light and/or indicator speaker. An indicator speaker may produce a factory set alert sound or a recorded alert sound that a user records to distinguish one fishing pole from another. A user may insert the fishing line a desired amount down into the line wedge seam and the depth of insertion may change when the line is released upon the pivoting of the pivot arm. The fish bite indicator may have a drag knob to change how much line tension is required to move the pivot arm and may have a sensitivity knob that adjusts how far the pivot arm has to rotate before the indicator is activated.

Abstract: Embodiments of the present invention relate to methods and apparatus for sorting undesired marine species during trawling, provides a pliable grid when the trawl net is pulled from the water and wound tightly on the net reel, and when the trawl is deployed in the water, the apparatus is fixed into place inside the trawl and holding its shape with consistent grid spacing. Marine species sorting apparatus in accordance with embodiments of the present invention includes grid, back straps, and lead ring. Grid includes a plurality of bars surrounded by grid frame. Grid frame is attached to lead ring at an angle using terminal couplers. Lead ring supports grid and secures marine species sorting apparatus in trawl webbing referred to as the extension.

Abstract: A pet protection system includes a leg portion having a first end having a first cross-section having a flexible opening to insert a pet foot therethrough; an angled portion coupled to the first end and having a second cross-section greater than the first cross-section; and a second end coupled to the angled portion, wherein the second end has a third cross-section greater than the second cross-section; and a body portion coupled to the leg portion, the body portion forming a loop that fits securely on a body of the pet.

Abstract: Systems and methods for autonomously herding birds in accordance with embodiments of the invention are illustrated. One embodiment includes an autonomous flock herding system, including a bird location sensor, a drone; and a control system, including a processor, and a memory, the memory containing a flock herding application, where the application directs the processor to obtain bird position data from the at least one bird location sensor, where the bird position data describes the location of birds in a flock of birds, determine if the flock of birds will enter a protected zone, generate a set of waypoints using a flock dynamics model, instruct the unmanned aerial vehicle to navigate to at least one waypoint in the set of waypoints such that the flock of birds will, in response to the presence of the unmanned aerial vehicle at the at least one waypoint, change trajectory away from the protected zone.

Abstract: Bottom grading apparatuses for aquaculture systems are disclosed herein. An example system includes a vessel filled with water that receives fish, the vessel having a bottom surface with drain; a plenum in fluid communication with the vessel; a multiway valve in fluid communication with the plenum, a mortality pipe, and a grading pipe; and a mortality container in fluid communication with the mortality pipe and the vessel, wherein the fish can re-enter the vessel through the mortality container and deceased fish remain in the mortality container, wherein when the multiway valve is closed to the mortality pipe, the fish will divert through the grading pipe.

Abstract: A vertical take-off and landing aircraft which uses fixed rotors for both VTOL and forward flight operations. The rotors form a synthetic wing and are positioned to achieve a high span efficiency. The rotors are positioned to even out the lift across the span of the synthetic wing. The synthetic wing may also have narrow front and rear airfoils which may provide structural support as well as providing lift during forward flight. The wing rotors are tilted forward and provide some forward propulsion during horizontal flight.

Abstract: A method for the flying of a vertical take-off and landing aircraft which uses fixed rotors for both VTOL and forward flight operations. The rotors form a synthetic wing and are positioned to achieve a high span efficiency. The rotors are positioned to even out the lift across the span of the synthetic wing. The synthetic wing may also have narrow front and rear airfoils which may provide structural support as well as providing lift during forward flight, or may have a single center wing. The wing rotors are tilted forward and provide some forward propulsion during horizontal flight.

Abstract: A vibratory motion reduction system for a pylon assembly includes an inner member having an opening extending therein that receives a first end of the pylon assembly, an outer member moveably attached to the inner member, a tuning mass attached to the inner member and the outer member such that a vibratory motion of the pylon assembly accelerates the tuning mass, a spring member that couples to a second end of the pylon assembly, and the spring member and the tuning mass reduce the vibratory motion of the pylon assembly.

Abstract: The present disclosure concerns an electric aircraft propulsion system. Example embodiments include an aircraft propulsion system (200) comprising: a fan (213) mounted on a central shaft (214); a first electric motor (215) mounted on the central shaft (214) and arranged to drive rotation of the fan (213) via the central shaft; and a second electric motor (216) arranged to drive rotation of the fan (213) via the central shaft (214), wherein the second electric motor (216) is coaxially mounted downstream of the first electric motor (215) and an outer diameter (D2) of the second electric motor (216) is smaller than an outer diameter (D1) of the first electric motor (215).

Abstract: An Unmanned Aerial Vehicle (UAV) according to various embodiments may include: a housing; a motor arranged in an inner space of the housing; a rotor which is rotated by the motor and includes at least one cam structure; and at least one landing member which serves as at least part of the housing and selectively protrudes from the housing depending on interference of the cam structure. An UAV according to various embodiments may include: a housing; at least one rotor blade arranged in an inner space of the housing; and at least one landing member. The at least one landing member may serve as part of the housing in a closed position and protrudes from the housing in an open position such that a load of the UAV can be supported during landing. Other embodiments are also possible.

Abstract: A tail for a projectile includes a body having a longitudinal axis. A steering assembly is secured to the body. The steering assembly includes a flap movable from a first position in which the flap does not extend radially beyond the body to a second position in which the flap extends radially beyond the body and at an angle relative to the longitudinal axis, and a flap release mechanism. A projectile including a tail according to the present disclosure is also provided.

Abstract: An animal trap includes a pair of complementary curved jaws rotatably mounted on a frame or base plate, and springs on the frame cooperating with a pair of opposed levers for urging the jaws toward each other from an open position to a closed or animal foot-holding restraining position. A foot pan is located on the frame between the jaws. A trigger release assembly is employed to restrain the jaws in the open position by being engaged between the pan and jaws. When the animal steps on the pan causing it to move axially downward, the trigger-release assembly is activated causing the spring-biased levers to close the jaws about the foot of the animal.