HyperTEK is a modular, hybrid propellant rocket motor system that uses readily available nitrous oxide (N2O) and thermoplastic fuel grains. The HyperTEK system uses the patented Kline valve to control the flow of oxidizer. This unique design allows for safe, remote filling of the oxidizer tank on the pad. Thousands of systems have been in use around the world since it's design by eAc in 1994. Designed primarily for use in launching small experimental payloads by universities, colleges, research institutes and sport rocketry enthusiasts, the system is also intended to be a technology demonstrator for hybrid propulsion technology. eAc has licensed the manufacturing and distribution of the HyperTEK Hybrid Propulsion System to Cesaroni Technology Incorporated (CTI).

Extensive research and development by CTI and eAc has refined the system yielding a high tech, low cost rocket motor alternative to the current solid propellant rocket motor. Hybrid motors have several safety advantages over solids. The fuel and oxidizer are isolated from each other until just before ignition, thus eliminating the requirement for a low explosive permit during transportation and storage of rocket motors. The HyperTEK hybrid propulsion system uses a remote fill/fire launch system as well as 100% pyrotechnic free ignition system.

The HyperTEK flight motor consists of three major parts: the oxidizer tank, the injector bell and the fuel grain. The fuel grain is molded from thermoplastic and has an insert-molded silica/phenolic nozzle. This monolithic grain functions as both the fuel and the combustion chamber. Incorporating the fuel, nozzle and motor case into one injection molded component has eliminated the complicated assembly of a reloadable system. The fuel grain simply screws onto the injector bell prior to flight and the spent fuel grain is unscrewed and discarded of after each flight. The injector bell has field interchangeable injector orifices for tailoring the time/thrust profile to the needs of the rocket. Potential applications include small sounding rockets, RATO boosters and more.


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