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SNC Leverages VORTEX Engine Technology for DARPA’s OpFires Program

3 Apr 2020, 17:47 UTC
SNC Leverages VORTEX Engine Technology for DARPA’s OpFires Program
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SPARKS, Nev. (April 2, 2020) – Sierra Nevada Corporation (SNC), the global aerospace and national security leader owned by Eren and Fatih Ozmen, reached a major milestone in the advancement of hypersonic propulsion with its patented VORTEX engine, advancing to the next phase of the Defense Advanced Research Projects Agency’s (DARPA) Operational Fires (OpFires) program.

Through OpFires, SNC is extending its hybrid VORTEX engine capabilities to advanced, deep throttling, restartable propulsion systems. The system utilizes benign solid fuel with a liquid oxidizer, both of which are storable on Earth and in space. Recent testing shows positive results in being able to package significant energy into a small volume that will have the ability for deep throttling and smooth restart capabilities on command. “The VORTEX flows integrated into the hybrid significantly improves performance of the hybrid engine” said Dr. Marty Chiaverini, director of Propulsion Systems at SNC.

“This program opens up a new market for SNC for preplanned or on-demand propulsion control capabilities that are applicable to both military and beyond Earth orbit propulsion capabilities,” said Tom Crabb, vice president of SNC’s Propulsion & Environmental Systems business unit. “Deep throttling and restart capabilities expand the tools for smart and unpredictable trajectories ...

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