Abstract: A holding and starting device for hydro-pneumatically driven aircrafts composed of a base body carrying a flange that can be connected to it, the flange furthermore merging into a hollow cylinder portion receiving at least one sealing ring, latches pivotable about a shaft, and having a latch engagement means for a locking ring of the aircraft, and a release ring rotatably mounted on the base body, so that a release of the locking ring of the aircraft can take place. The latches have an actuating surface, which surface causes a pivoting movement of the latches when a nozzle-like neck portion of the aircraft is put on. With or at a rotation of the release ring against pretension, stop ends of the latches move into a respective associated setoff or a respective associated recess, so that the latches release the locking ring for starting.

Abstract: Disclosed herein is a mobile launch pad for facilitating launching and landing of flying taxis, in accordance with some embodiments. Accordingly, the mobile launch pad may include a platform and at least one propulsion assembly. Further, the platform may include at least one rising panel, a base panel, and at least one lift mechanism. Further, the at least one rising panel may be coupled to the base panel using the at least one lift mechanism. Further, the at least one rising panel in the at least two positions may be configured to support at least one aerial vehicle of a flying taxi. Further, the at least one propulsion assembly may be operationally coupled with the platform. Further, the at least one propulsion assembly may be configured for propelling the platform.

Abstract: An apparatus has a container with a cavity containing a medium, and the container is sealed with a membrane that ruptures at a rupture pressure. A pressurizer pressurizes the cavity to at least the rupture pressure, and a projectile is disposed externally to the cavity during the pressurization. The projectile is propelled by the medium following rupture of the membrane. Preferred containers include pressurized cylinders, gun barrels, and ammunition cartridges, and preferred media include air, pressurized air and explosives, and a particularly preferred apparatus is a toy rocket launcher.

Abstract: A toy rocket launching device includes a stand and a positioning unit is pivotably connected to the stand. A control unit includes a control member which has a first end connected to an injection nozzle of the rocket and a second end of the control member extends through a positioning unit and is secured by a threaded sleeve. An valve is inserted into the first end of the control member and a cap is mounted on the first end of the control member. An activation member is located in the positioning unit and multiple balance cables are connected between the activation member and the cap. An end of an activation cable is connected to a center of the activation member so that when the activation cable is pulled, the cap is simultaneously pulled to activate the injection nozzle to lunch the toy rocket.

Abstract: A launch vehicle includes an air pump, an injection valve, a connecting member, a trigger, and a projectile. Thus, the launch vehicle is operated on the ground and is also operated in a hand-held manner, thereby enhancing the amusement effect of the launch vehicle. In addition, the user only needs to hold the air pump and the trigger so as to launch the projectile easily and conveniently in an energy-saving manner, thereby facilitating the user operating the launch vehicle. Further, the launch vehicle has a simplified construction to perform the hand-held launching function, thereby decreasing the costs of fabrication. Further, the launch vehicle is further provided with a safety device to prevent the trigger from being triggered unintentionally to protect the user's safety.

Abstract: A model rocket and launch system in which a rocket is launched by combustion produced from a mixture of water and calcium carbide. The water and calcium carbide are combined in a mixing container and launch tube and create a combustible gas. The container and launch tube incorporates a spark chamber consisting of a spark element device and electrode. Both the rocket body tube and launch tube includes a conductive coupling device and is designed to be co-dependent of each other in order to complete an electrical circuit for ignition purposes. The launch tube conductive coupling device and is electrically connected to a spark element device. Electrical current is sent to the spark element device and electrode when the electrical current provided from a high voltage generator passes through both the model rocket unit and the launch system unit via the combined conductive coupling devices.

Abstract: A toy rocket launching device includes a stand and a positioning unit is pivotably connected to the stand. A control unit includes a control member which has a first end connected to an injection nozzle of the rocket and a second end of the control member extends through a positioning unit and is secured by a threaded sleeve. An valve is inserted into the first end of the control member and a cap is mounted on the first end of the control member. An activation member is located in the positioning unit and multiple balance cables are connected between the activation member and the cap. An end of an activation cable is connected to a center of the activation member so that when the activation cable is pulled, the cap is simultaneously pulled to activate the injection nozzle to lunch the toy rocket.

Abstract: The toy rocket launcher includes an elongated launch tube and a pusher assembly which slides inside the launch tube in an air-tight relationship. A launch head assembly is rotatably mounted on a forward end of the launch tube and has a plurality of launch ports for receiving toy rockets. The forward end of the launch tube assembly includes a small opening which mates with one of a plurality of air passageways in the launch head assembly. Each air passageway connects with a different launch port. As the head assembly is rotated by hand on the launch tube, a flow of air from the launch tube produced by user action on the pusher assembly is directed to successive launch ports, thereby launching successive toy rockets from the launch head assembly.

Abstract: A water bottle rocket system for launching single rockets, multistage rockets, multiengine rockets or multistage multiengine rockets. Rocket bodies are comprised of ordinary plastic beverage bottles. The propellant used is preferably water and compressed air. The system offers adjustable launch supports to vary the launch angle for both single engine or multiple engine rockets. A charging manifold is provided for charging with liquid or gas propellant. Multiengine rockets are simultaneously charged with propellant through launch base internal channels.

Abstract: Disclosed herein is an apparatus and method for launching a toy rocket that includes rotating a launch tube about an axis that is parallel with a connecting tube, which is rotatably connected to the launch tube; extending the launch tube in a perpendicular direction; progressively closing a safety valve by rotating the launch tube toward a vertical position, relative to a launch pad assembly; loading the toy rocket onto a distal end of the extended launch tube; and rapidly compressing a bellows in communication with the launch tube.

Abstract: A reusable aluminum fire cup having a dome-shaped cap and including an ordinary fire cracker placed in a copper tube, then placed in a container with small amount of water, and then ignited, the fire cracker's blast and the pressure from the water will propel the fire cup high into the air.

Abstract: A rocket with a high pressure propellant module, comprising a toy bottle rocket that uses gases generated from the reaction between baking soda and vinegar. A mechanism controls the release of the gas formed by the chemical reaction and allows the gas to reach a high pressure inside the rocket prior to release.

Abstract: A bottle rocket launcher is provided for rockets constructed for educational and entertainment purposes out of synthetic resin bottles used primarily for soft drinks. The rocket launcher includes a bottle plug for filling the bottle rocket with compressed gas such as air and guiding it as it exits the launcher, a release mechanism for initially retaining and then selectively releasing the rocket adjacent its nozzle, and a base. The release mechanism provides multiple hooks which grab a rim adjacent the nozzle, and selectively and simultaneously releases each of the hooks, whereby the upward force applied by the compressed gas against the liquid causes the hooks to slide off of the rim and permits the rocket to lift off of the launcher.

Abstract: An air pumping station for a pneumatic toy vehicle powered by a re-fillable compressed air bottle or canister includes a stabilizing base having a flat ground engaging horizontal lateral bottom including a horizontal projecting geometry proportioned for placement under the feet of the user. The station also includes a fluid-tight vertical cylindrical housing. The station includes a reciprocating piston having a first end in fluid tight relation to interior walls of the housing and a second end defining hand-grippable pumping handles. The station has an air intake valve for the cylindrical housing. The pumping station includes an element for selectable clamping and unclamping of the toy vehicle to at least a first surface of the cylinder, however offset therefrom by a sufficient distance to avoid the reciprocal movement of the piston and grippable pumping handles. The cylinder includes an air exhaust aperture in fluid communication with the base of the cylinder.

Abstract: A toy rocket launcher for launching a common bottle such as a plastic two liter beverage bottle in the air with pneumatic pressure. The toy rocket launcher includes a support stand having a top member and a plurality of support legs downwardly depending from the top member. The top member has a hole through which the upper end of a conduit is upwardly extended. An end of a hose is coupled to a lower end of the conduit to fluidly connect the hose to the conduit. A pneumatic pump is attached to a second end of the hose for pumping air into the hose. The upper end of the conduit is inserted into an opening in the neck of an inverted beverage bottle.

Abstract: The present invention is directed to a liquid jet propelled rocket launcher and rocket. More specifically, it is directed to a toy which propels a rocket in a generally upward direction by a liquid-gas propulsion combination. Further, the present invention utilizes a rocket with a liquid reservoir, and in one embodiment an air pump supplies pressurized air into the rocket which has been previously charged with water while in its launch position, and the rocket is subsequently launched by a manually operated trigger mechanism. In another embodiment dry ice is introduced into the rocket's water containing reservoir and is thereby charged with gaseous carbon dioxide as the dry ice sublimates. In a third embodiment water and dry ice are charged into a container from whence the water and pressurized carbon dioxide is flowed through a conduit to charge a rocket.

Abstract: The present invention involves a liquid jet propelled rocket and rocket launcher. The launcher has a housing which includes a vessel for holding pressurized air therein, an inlet to the vessel and an outlet from the vessel. Also, the housing has a jet tube receiver extending from the outlet and adapted to connect with a jet tube of a rocket assembly. A pump is connected to the vessel inlet of the housing, the pump is connected for and capable of pumping air into the vessel at a pressure sufficient to launch the rocket assembly. A one way valve is connected to the pump and permits the flow of air only from the pump to the vessel. There is a rocket assembly latch mechanism located on the housing with means for releasing the latch. There are also, a rocket assembly which includes a liquid reservoir for receiving liquid and subsequently receiving air under pressure from the pump, a jet tube extending from the liquid reservoir and adapted to sealably and releasably connect to said jet tube receiver of the housing.

Abstract: The present invention involves a liquid jet propelled transporter and launcher toy. The launcher has a housing with a reservoir for holding a predetermined amount of liquid therein less than the volume of a transporter container and related to that volume. There is a reservoir fill port and cap to enable a user to fill the reservoir and close it. The launcher has a jet tube receiver adapted to receive a jet tube of a transporter. A pump is connected to the housing with a manually actuated pump and a one way valve from the pump to the reservoir. There is a transporter latch mechanism located on the housing and a release for releasing the latch mechanism so as to launch a transporter. The transporter includes a container for receiving liquid from the reservoir of the housing and a jet tube extending from the container which is adapted to fit onto the jet tube located in the housing.

Abstract: A toy rocket to include a cylindrical body formed with a conical upper end portion, with the conical end portion formed of a flexible material, the cylindrical body formed of a rigid material and including a launcher structure, including a first conduit to receive a pneumatic air supply therethrough, with a first conduit orthogonally oriented and in pneumatic communication with a second conduit. The second conduit terminating in a sivel connection, with the swivel connection mounting a mounting tube thereon. The mounting tube is arranged for projection through a floor of the rocket into a first chamber containing a fluid propulsion medium therewithin. Pressurizing of the first chamber effects subsequent release of the rocket relative to the mounting tube for projection along a trajectory of flight.

Abstract: An expandable balloon wrapped media display system including: a transparent balloon (30); an accordion pleated sheet (11, 11a, 11b) having formed thereon a message, picture, graphic display, graphic design, or combination thereof; a first attachment member (15) fixedly secured to a first edge (21) of the sheet (11, 11a); the sheet (11, 11a, 11b) being folded up on itself at its midpoint (28) so as to present the left and right halves (26L, 26R) of a second edge (26) thereof in generally face-to-face relation; a second attachment member (22) having a tubular portion (24) and an axially extending flange (25) fixedly secured to a second edge (26) of the sheet (11, 11b); the folded accordion pleated sheet (11, 11a, 11b) being inserted into a balloon (30) with the first attachment member (15) engaging the polar extremity (34) of the balloon (30) most remote from the balloon's inflation aperture (31) and the second attachment member (22) having its tubular portion (24) disposed within the constricted neck portion (

Abstract: A toy vehicle and a handheld pneumatic launcher combination includes a piston and an elongated hollow cylinder with a flange adjacent one end of the cylinder providing grips for a child which simulate an airplane control yoke. While supporting lateral extensions of the flange with the fingers of each hand, the child's thumbs are free to press upon an actuator at one end of the piston forcing the piston head into the cylinder. Attached at the other end of the elongated cylinder, in pneumatic communication with the cylinder, is a launch tube that fits into a socket adjacent the bottom of a toy vehicle that is made predominantly of a lightweight plastic foam. The axis of the launch tube is preferably offset from the axis of the cylinder. In addition, the launch tube is tapered and has a closed end with perforations through the sidewalls of the tube adjacent the closed end.