Abstract: Certain aspects of the present disclosure provide techniques for manipulating and securing containers. In one example, a method includes attaching a tool to a first corner fitting of a first container and a second corner fitting of a second container; applying a torque to the rotatable pinion in order to cause the first corner fitting to engage the second corner fitting; and removing the tool from the first corner fitting and the second corner fitting.

Abstract: Examples relate to modular cargo handling. An example system for positioning and securing cargo includes a pair of rails extending longitudinally in a parallel configuration. The system includes floor beams coupled between coupling links (e.g., sets of wheels) that removably couple to the pair of rails such that each floor beam can move along the length of the rails with less friction. Each floor beam can include one or more coupling points that can be used to secure units of cargos to the floor beams.

Abstract: In an example, a hybrid cargo container system for use with ground transportation vehicles and air transportation vehicles is disclosed. The cargo container system includes a chamfered container body comprising a plurality of sidewalls defining a storage chamber, the plurality of sidewalls comprising a first sidewall, a second sidewall, and a chamfer sidewall attached to the first and second sidewalls. The cargo container system also includes a corner support assembly operably coupled to the chamfered container body. The corner support assembly is operable between a stowed position and a deployed position. Based on the corner support assembly being in the deployed position, the corner support assembly is configured to at least partially support another container stacked thereon for ground transportation, and based on the corner support assembly being in the stowed position, the cargo container system is configured to be stored in a fuselage of an aircraft for air transportation.

Abstract: In an example, a hybrid cargo container system for use with ground transportation vehicles and air transportation vehicles is disclosed. The cargo container system includes a chamfered container body comprising a plurality of sidewalls defining a storage chamber, the plurality of sidewalls comprising a first sidewall, a second sidewall, and a chamfer sidewall attached to the first and second sidewalls. The cargo container system also includes a corner support assembly operably coupled to the chamfered container body. The corner support assembly is operable between a stowed position and a deployed position. Based on the corner support assembly being in the deployed position, the corner support assembly is configured to at least partially support another container stacked thereon for ground transportation, and based on the corner support assembly being in the stowed position, the cargo container system is configured to be stored in a fuselage of an aircraft for air transportation.

Abstract: A pressure vessel includes at least one pair of side bulkheads spaced apart from each other. In addition, the pressure vessel includes at least one substantially flat panel having at least one panel span extending between the pair of side bulkheads and being in non-contacting proximity to the side bulkheads. The panel and the side bulkheads collectively form at least a portion of a structural assembly enclosing the pressure vessel. The pressure vessel also includes a plurality of panel braces coupling the side bulkheads to the panel at a plurality of panel attachment nodes distributed along the panel span. At least two of the panel braces have a different axial stiffness configured to result in the outward deflection of the panel attachment nodes by substantially equal deflection amounts when the panel is subjected to an out-of-plane pressure load during internal pressurization of the pressure vessel.

Abstract: Certain aspects of the present disclosure provide for modular containers with specialized corner fittings. In one example, a container, includes: six sides; and eight corner fittings, wherein each respective corner fitting of the eight corner fittings comprises: a first outward face on a first side of the six sides; a second outward face on a second side of the six sides; a third outward face on a third side of the six sides; and a corner fitting aperture in at least one of the first outward face, second outward face, or third outward face and centered approximately 3.379 inches from a first edge of the respective corner fitting and approximately 3.379 inches from a second edge of the respective corner fitting.

Abstract: Modular fuselage assemblies for aircraft, aircraft including modular fuselage assemblies, and methods of assembling modular fuselage assemblies. A modular fuselage assembly includes a plurality of fuselage lobes that may extend along a longitudinal axis of the modular fuselage assembly. Each fuselage lobe includes a plurality of frame members and a lobe skin that is operatively attached to the plurality of frame members and defines an external surface of the fuselage lobe. The modular fuselage assembly also includes a plurality of longerons extending along a longitudinal axis of the modular fuselage assembly. At least two fuselage lobes are operatively attached to each longeron and the plurality of fuselage lobes and the plurality of longerons at least partially bound a cargo hold defined within the modular fuselage assembly. The methods include methods of assembling the modular fuselage assemblies.

Abstract: Certain aspects of the present disclosure provide a modular container, including: six sides, wherein: each side of the six sides of the modular container comprises at least four surface connectors, each surface connector of the at least four surface connectors comprises at least two connector elements, at least one connector element of the at least two connector elements is of a first type, and at least one connector element of the at least two connector elements is of a second type; and an access door in at least one side of the six sides.

Abstract: There is provided a vacuum volume reduction system having a volume reduction assembly of a fluid fill assembly coupled to a station wall of a vacuum tube vehicle station, to reduce a volume, under vacuum, in the vacuum tube vehicle station, when a vacuum transport tube vehicle is positioned in the volume at the vacuum tube vehicle station. The fluid fill assembly includes one or more containers, each containing a fluid, and fluid transport member(s), to transport the fluid from the container(s) to one or more enclosed volume portions formed between an exterior of the vacuum transport tube vehicle and an interior of the station wall. The fluid fill assembly further includes one or more fluid pump assemblies attached to the fluid transport member(s), and a control and power system. The vacuum volume reduction system further includes recessed area(s), a vent-to-vacuum assembly coupled to the recessed area(s), and seal elements.

Abstract: Neutralizing deflection in a transportation system comprising connecting a number of support structures to ground. A tube is coupled to the support structures via a number of actuators, wherein the tube defines an interior enclosure through which a vehicle can travel. Utilizing a number of sensors, directional displacement of the support structures can be sensed, and the actuators are controller to counter the sensed displacement of the support structures by producing a directionally-opposite displacement of the tube relative to the support structures.

Abstract: Certain aspects of the present disclosure provide techniques for a modular container, including: six sides, wherein: each side of the six sides of the modular container comprises at least four surface connector arrangements, each surface connector arrangement of the at least four surface connector arrangements comprises at least two connector elements, wherein: at least one connector element of the at least two connector elements is of a first type, and at least one connector element of the at least two connector elements is of a second type; and an access door in at least one side of the six sides.

Abstract: A strut system for a wing of an aircraft, includes a strut member extending from the wing and a first jury strut assembly associated with the wing. The first jury strut assembly includes a first jury strut, which has a first end connected to the strut member and a second jury strut, which has a first end connected to the strut member, wherein a second end of the first jury strut and a second end of the second jury strut are each connected to the wing spaced apart from one another in a direction of a chord.

Abstract: Examples relate to modular cargo handling. An example system for positioning and securing cargo includes a pair of rails extending longitudinally in a parallel configuration. The system includes floor beams coupled between coupling links (e.g., sets of wheels) that removably couple to the pair of rails such that each floor beam can move along the length of the rails with less friction. Each floor beam can include one or more coupling points that can be used to secure units of cargos to the floor beams.

Abstract: Certain aspects of the present disclosure provide an ice management system, including: a plurality of pulsejets located within an interior volume of an aircraft and configured to heat an aircraft surface, wherein each pulsejet of the plurality of pulsejets comprises: an inlet; a combustor; a fuel source; and an exhaust nozzle; and a plurality of intake apertures in the aircraft, wherein each intake aperture of the plurality of intake apertures corresponds to an inlet of one pulsejet of the plurality of pulsejets.

Abstract: Examples relate to modular cargo handling. An example system for positioning and securing cargo includes a pair of rails extending longitudinally in a parallel configuration. The system includes floor beams coupled between coupling links (e.g., sets of wheels) that removably couple to the pair of rails such that each floor beam can move along the length of the rails with less friction. Each floor beam can include one or more coupling points that can be used to secure units of cargos to the floor beams.

Abstract: A vacuum transport tube vehicle for evacuating a vacuum transport tube has a first end, a second end, and a body comprising a piston head. The vehicle has a blade-actuator assembly, comprising a circumferential blade member sealed to the piston head and having a blade perimeter portion defining a first end outer surface forming an annular gap with an inner surface of the vacuum transport tube. The vehicle further includes a plurality of blade segment actuators arranged circumferentially around the piston perimeter portion and configured to actively adjust a radial position of the blade member at the corresponding blade circumferential locations in a manner accommodating non-uniformities in an inner surface profile of the vacuum transport tube, and maintaining the annular gap at a substantially constant and relatively short gap distance during movement of the vehicle through the vacuum transport tube.

Abstract: A transportation system includes a tube defining an interior channel. A vehicle is configured to travel through the interior channel. At least one tension support couples the tube to ground. The tension support(s) exerts tension force into the tube. The tension force exerted into the tube reduces deflection of the tube when the vehicle travels through the interior channel over the tension support(s).

Abstract: Certain aspects of the present disclosure provide techniques for manipulating and securing containers. In one example, a method includes attaching a tool to a first corner fitting of a first container and a second corner fitting of a second container; applying a torque to the rotatable pinion in order to cause the first corner fitting to engage the second corner fitting; and removing the tool from the first corner fitting and the second corner fitting.

Abstract: Certain aspects of the present disclosure provide a method of securing containers, comprising: connecting a first strap end connector of a tension strap to a first strap connector fitting on a first container, wherein: the first strap end connector comprises a first hook portion configured to engage a first recess in the first strap connector fitting, and the first strap end connector comprises a first protrusion configured to engage a second recess in the first strap connector fitting; connecting a second strap end connector of the tension strap to a second strap connector fitting on a second container, wherein: the second strap end connector comprises a first hook portion configured to engage a first recess in the second strap connector fitting, and the first strap end connector comprises a first protrusion configured to engage a second recess in the second strap connector fitting; and tensioning the tension strap.

Abstract: Certain aspects of the present disclosure provide a modular container, including: six sides, wherein: each side of the six sides of the modular container comprises at least four surface connectors, each surface connector of the at least four surface connectors comprises at least two connector elements, at least one connector element of the at least two connector elements is of a first type, and at least one connector element of the at least two connector elements is of a second type; and an access door in at least one side of the six sides.