Abstract: Provided is a fish attraction device. The fish attraction device, in at least one aspect, includes a motor, the motor having an output shaft configured to rotate about a rotational axis. The fish attraction device, in accordance with this aspect, may further include first and second cams rotationally coupled to the output shaft about the rotational axis. The fish attraction device, in accordance with this aspect, may further include a first thumper configured to move to create a first thumping pattern as the first cam rotates with the output shaft about the rotational axis, as well as a second thumper configured to move to create a second thumping pattern as the second cam rotates with the output shaft about the rotational axis, the first and second thumping patterns collectively providing a rhythmic thumping pattern designed to attract fish.

Abstract: The present disclosure provides generally for a system and method for planting flora, fauna, and dispersing various organisms through drone delivery. The system may comprise of a drone with seedling box that may hold and drop the pods containing flora or fauna. The seedling box may hold the pods with the flora or fauna in them and at specific intervals drop the pod with the flora or fauna. The seedling box may also hold various organisms or other materials and drop these organisms or materials when directed. A seedling box may comprise loading mechanism and deploying mechanism to facilitate accurate, timely deployment of the pods containing the seedlings. A pod may comprise a weighted tip with hollow cavity for seedling placement and a vertical rod for securing seedling during deployment. Where the system comprises uneven number of seedlings, seedling box may include counterweights to provide stability in configured flight patterns for duration of seedling deployment.

Abstract: The disclosure discloses a viscous outdoor mosquito killing lamp including a lamp body which includes a housing within which a lighting lamp is disposed; wherein the housing is provided with a trapping chamber, a sidewall of the trapping chamber is provided with a first through hole for flying insects to pass through; a trapping plate is detachably connected to the sidewall of the trapping chamber, and a viscous sticker is attached onto the trapping plate. The outdoor mosquito killing lamp is safe and environmentally friendly, and is more convenient to be cleaned up.

Abstract: A fishing lure container incorporating a case having axial and oppositely axial ends; axial and oppositely axial walls fixedly attached to the case, wherein such walls are respectively positioned for closing the case's axial and oppositely axial ends; axial and oppositely axial ports respectively opening the case at the axial and the oppositely axial walls; axial and oppositely axial caps respectively covering the axial and oppositely axial ports, the axial and oppositely axial caps being rotatable; a lure frame having axial and oppositely axial ends, wherein such frame's axial end is fixedly attached to the axial cap; and a quick disconnect fastener interconnecting the lure frame's oppositely axial end and the oppositely axial cap.

Abstract: A vertical take-off and landing aircraft which uses fixed rotors for both VTOL and forward flight operations. The wing rotors are tilted forward and provide some forward propulsion during horizontal flight. The rotors 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 airfoils which may provide structural support for the rotors as well as providing lift during forward flight.

Abstract: A fishing pole support assembly includes a member that is formed into an ovoid shape having each of a pair of ends of the member being spaced apart from each other. The member has a pair of coils each formed into the member and the coils are positioned on opposing sides of the ovoid shape defined by the member. In this way a cup pin of a fishing belt can be extended through each of the pair of coils for attaching the member to a cup of the fishing belt. The member extends beneath a handle of a fishing rod when the handle of the fishing rod is inserted into the cup of the fishing belt thereby facilitating the member to bias the fishing rod to angle upwardly with respect to the cup. In this way the member can assist a fisherman with landing a pelagic fish with the fishing rod.

Abstract: A fishing rod including a fishing rod body and a fishing rod holder is disclosed. The fishing rod holder may include a sleeve configured to attach to the fishing rod body. The sleeve may include a proximal extended edge and a distal extended edge. The fishing rod holder may further include a ground support structure that includes a proximal end and a distal end. The proximal end may be configured to engage with the sleeve via a locking mechanism and the distal end may include a spike configured to be inserted in ground. The ground support structure may be configured to slide along a sleeve longitudinal axis between an original position and an extended position. Further, the proximal extended edge and the distal extended edge may be configured to limit ground support structure movement along the sleeve longitudinal axis.

Abstract: Embodiments of the present invention are directed to articles used as an artificial reef and/or used as a part of an artificial reef, methods of making the articles, methods of using the articles, and methods of forming artificial reefs. The articles include a top, at least one support member, and optionally, a base. In some embodiments, the water permeability of the top of the article is greater (and in some embodiments, at least 10% greater) than the water permeability of the support, the water permeability of the optional base, or both. In preferred embodiments, the top, support(s), and optional base are formed of concrete.

Abstract: A connector, a connector assembly, an aircraft fuel breather system and an aircraft wing are disclosed. The connector connects a breather pipe or float valve to a hat section stringer duct attached to an aircraft panel. The connecter has a bridge to bridge over the duct and to cover an aperture in a wall of the duct. The bridge has a flange on either side for attachment of the connector to the panel. The connector has a seal to seal the bridge to the duct, an aperture defined in the bridge and a flow controller connector to connect and provide fluid connection between the connector and pipe or float valve. The assembly comprises the connector, the duct and aircraft panel and the fuel breather system includes one or more fuel tanks, a breather pipe and a vent to atmosphere.

Abstract: A lift unit for an aircraft, having the following features: a fan, an engine bearing axially offset from the fan, and a cylindrical electric engine having a sheath surface framed by the engine bearing.

Abstract: A vertical take-off and landing aircraft and method which uses fixed rotors for both VTOL and forward flight operations. The rotors are positioned to achieve a high span efficiency. The rotors are positioned to even out the lift across the span of the wing. The 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: An aircraft is disclosed, including a fuselage having a compartment configured to house refueling apparatus. An auxiliary power unit is mounted in the compartment.

Abstract: The present invention provides a rubber teat element which, on account of the radial expandability of the head part, is able to adapt to different teat geometries, in particular in the case where an animal has small, thin and short teats. A teat cup and a milking cluster with a corresponding rubber teat element are also provided.

Abstract: The invention relates to an aircraft undercarriage provided at its bottom end with a rocker arm (2) carrying at least two axles (4, 5), including one in front of a hinge between the rocker arm and the undercarriage and the other behind said hinge. According to the invention, one of the axles is fitted with one or more braked wheels (6) and the other axle is fitted with one or more motor-driven wheels (8).

Abstract: Rotor flight vehicle includes a first rotor, a power unit, a transmission from the power unit to the first rotor, wherein said transmission comprises at least one belt, a group of rotational axes, at least one power output axle connected to the power unit and at least one rotor axle connected to said first rotor, the belt is applied to the power output axle, the power output axle is concentric with a rotational axis, the belt transmits power to the rotor axle, the rotor axle is concentric with a rotational axis, wherein consecutive rotational axes of the group of rotational axes extend in a relation to each other such that the angle between them is in the range of 80-100 degrees, wherein the belt has a maximal torsion of 80-100 degrees, in the belt's transition between two respective consecutive rotational axes of the group of rotational axes.

Abstract: An oscillation system includes an oscillation circuitry configured to cause at least one motor of a first set of motors to provide an oscillation of a user-input device in at least one axis of the user-input device. The oscillation may be triggered in response to an input from at least one sensor, the user-input device for operating an aircraft control system of an aircraft. The oscillation circuitry is configured to operate independently from a resistive force circuitry. The resistive force circuitry is to provide a resistive force to the user-input device, using the at least one motor of the first set of motors.

Abstract: An anti-torque rotor is described comprising: a mast rotatable about a first axis; a plurality of blades hinged on the mast and rotatable about respective second axes to vary the respective angles of attack; a control element sliding along the first axis with respect to the mast, rotatable with the mast and connected to the blades to cause the rotation about the second axes; a control mechanism, axially sliding and angularly fixed with respect to the mast; and a connection element interposed between the control mechanism and the control element, sliding integrally with the control mechanism along the mast; the control mechanism comprises a first and a second rod; the rotor comprises a coupling, which is configured to enable/prevent rotation of the second rod with respect to the first rod when the torque exerted by the first connection element on the second rod about the first axis is greater/less than a threshold value in the event of failure of the connection element.

Abstract: The invention relates to horse bit (10, 100), comprising a mouthpiece (20, 120) configured to be inserted into a horse's mouth and comprising a first cheek (40, 140) and a second cheek (60, 160). The mouthpiece includes a first end (21, 121) and a second end (22, 122) and a center portion (30, 130) between the first end and the second end, wherein the center portion comprises at least one curved portion (31, 32; 131, 132). Each cheek includes a shank (50, 70; 150, 170) with an upper arm (53, 73; 153, 173) and a lower arm (54, 74; 154, 174) for attachment of reins and a central portion (55, 75; 155, 175) between the upper arm and the lower arm. The central portion of the first cheek is attached to the first end and the central portion of the second cheek is attached to the second end.

Abstract: An aircraft includes a wing positioned below a vertical rotor, the wing extending in a transverse direction to a wingtip having an outboard face, and a turbulence feature located on the wingtip and oriented to induce turbulence in the rotor downwash flowing across the outboard face in a direction from a top surface of the wing to a bottom surface of the wing.

Abstract: An automatic dog back scratcher system that scratches a dog, comprising a frame assembly; a housing covering the frame assembly; a movable arm assembly supported by the frame assembly and including a movable finger assembly; a treat dispenser assembly; a camera; a motion sensor; a controller configured to sense motion of an object via the motion sensor, determine the object in motion is a dog via the camera, dispense a treat via the treat dispenser assembly to attract the dog to a location adjacent to the automatic dog back scratcher system, and operate the movable arm assembly to move the arm adjacent to the dog and scratch the dog with the movable finger assembly.