Environmental Aeroscience Corporation (eAc) was incorporated in 1994 and specializes in the development, fabrication, and testing of innovative Nitrous Oxide and Liquid Oxygen hybrid rocket motors for sounding rockets, tactical missiles, small orbital launch vehicles, and space tourism applications. In addition, eAc conducts R&D for governmental applications, focusing on the rapid development of functional hardware. eAc was formed to develop and commercialize safe and environmentally friendly Hybrid Propulsion Technology and apply those technologies to end products.

eAc's philosophy has focused on flight hardware and high volume designs. eAc has recorded over 1,000 hybrid firings since its creation, demonstrating up to 50 second burn times, over 11,000 lb. thrust levels, and throttling capabilities from 0 to 100%. eAc founders fired some of the first Nitrous oxide/HTPB hybrids in early 1989 and flew the worlds first Nitrous oxide hybrid rocket in 1994.

In 1996, eAc developed the Hyperion I series of sounding rockets, which became the first hybrids to be flown from a NASA facility. A total of four Hyperions were flown from the Wallops Flight Facility in Wallops Island, Virginia. Two of these were fully fueled flights that reached 119,800 ft. and 110,000 ft. as confirmed by radar skin track.

eAc has performed advanced research for DARPA and the Air Force Rocket Labs in many propulsion related fields including fuel/oxidizer turbo pumps, high-density Hydroxyl Ammonium Nitrate hybrids, and packetized oxidizers. Our research in phenolic-based composite graphite nozzles has led to the development of a cost efficient and durable design that has been ground tested and deemed flight worthy.

Hyperion Sounding Rocket



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