XCOR and ULA Demo Revolutionary Rocket Engine Nozzle Technology
- Also Sign Contract for Liquid Hydrogen Engine Development
Under a 2010 joint risk-reduction program by XCOR and ULA, ULA facilitated an accelerated demonstration of the nozzle technology, which was developed in XCOR's Lynx reusable, suborbital-vehicle technology program. ULA sought to determine the nozzle technology's applicability to future expendable launch vehicle programs. Earlier in the same risk-reduction program, XCOR demonstrated the ability to pump liquid hydrogen (LH2) using cryogenic piston-pump technology it developed for the Lynx suborbital vehicle.
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Based on the results of these successful technology demonstrations, ULA today announced a larger follow-on program with XCOR to develop a liquid oxygen (LOX)/LH2 engine.
Conceived as a lower-cost, risk-managed program compared to traditional engine development efforts, the multi-year project's main objective is to produce a flight-ready LOX/LH2 upper-stage engine in the 25,000 to 30,000 lbf thrust class that costs significantly less to produce and is easier to operate and integrate than competing engine technologies. If successful, the effort will lead to significantly lower-cost and more-capable commercial and US government space flights delivered by ULA.
"ULA understands that we have to offer competitive prices to our government and commercial customers along with the outstanding and unmatched reliability they expect from us," said Dr. George Sowers, vice president of business development and advanced programs at ULA. "By working with XCOR, we see the potential to develop engines that offer the performance and reliability our customers need at a more affordable price."
The companies structured their LOX/LH2 engine development program with multiple "go / no-go" decision points and performance milestones to ensure a cost-effective and risk-managed approach to this challenging effort. As demonstrated during prior ULA and XCOR joint engagements, XCOR's small-company environment facilitates rapid turnaround for build and test cycles that drive innovative learning, while ULA's small company project management approach ensures their needs are met but does not stifle the creative process or saddle XCOR with excessive paperwork burdens typical of large government contracts. In addition, ULA is helping to bolster the Tier 2 and Tier 3 aerospace-industrial supply chain in the United States, which is critical to ensuring the United States aerospace sector remains competitive in the global marketplace.
"This announcement validates XCOR's business mantra of 'stay focused on propulsion, Lynx and the customer' and ULA is a great customer," said Andrew Nelson, Chief Operating Officer at XCOR. "And when you have innovative, safe, low-cost and fully reusable technologies that fly multiple times a day, those technologies will find other buyers, such as ULA. Whether it is non-toxic thrusters, fully reusable main-engine propulsion, cryogenic flight-weight piston pumps, or non-flammable cryogenically compatible composite tanks and structures - the future looks bright for XCOR."
The demonstrations announced today are from integrated engine/nozzle test firings with XCOR's Lynx 5K18 LOX/kerosene engine. The engine/nozzle combination demonstrates the ability of the aluminum nozzle to withstand the high temperatures of rocket-engine exhaust over numerous tests, with no discernable degradation of the material properties of the alloys. The tests validated the design, materials and manufacturing processes used in the nozzle, and laid a foundation for scaling the design to EELV-sized engines. The results also demonstrate the reusability of the engine and nozzle combination which is essential for low-cost, daily suborbital flights by the Lynx and other vehicles.
"We are honored to work with the great team of individuals at ULA, a Tier 1 aerospace supplier," said Jeff Greason, XCOR CEO. "The critical engine technology we're developing for ULA may one day launch satellites, capsules and space stations for government and commercial customers. Customers such as the US Air Force, NASA, the National Reconnaissance Office, Boeing and Bigelow Aerospace all stand to benefit from this partnership. For a rocket engineer, there is nothing more exciting than firing a new engine for the first time. We can't wait for the day when we first fire the new hydrogen engine for ULA."
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Source : XCOR Aerospace