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13-14 October

Moscow

Advanced 3D printing and scanning technologies exhibition

NASA & Aerojet Rocketdyne Use 3D Printing to Expedite Independence from Russia

  • June 24, 2015
NASA & Aerojet Rocketdyne Use 3D Printing to Expedite Independence from Russia

As a means of producing parts independent of Russian-based manufacturers, US defense and aerospace firm Aerojet Rocketdyne is currently working on a replacement for the Russian-made RD-180 engines used to power the Atlas V launch vehicle.  A Space Act Agreement was recently signed between Aerojet Rocketdyne and NASAStennis Space Center for test stand support and test services of the the company’s AR1 multi-element pre-burner and main injector. This new agreement will build on and solidify the relationship between AR and NASA’s Stennis Space Center, as currently Aerojet Rocketdyne’s two other engines are being tested at Stennis Space Center.

The AR1 features advanced oxygen-rich staged combustion kerosene technology and provides 500,000 pounds of thrust making it compatible with many American launch vehicles. Two combustion engines are used in the AR1 engine, a main injector/combustion chamber and a pre-burner. Both of these devices are critical to the function of the engine and must operate under extreme pressure and temperature environments. As part of the development process, AR has taken a tip from NASA’s recent experiments with additive manufacturing at Marshall Space Flight Center. They conducted a subscale pre-burner hot-fire test at Marshall using 3D printed hardware. Not only does this help reduce the timeline and cost of development, but it gets AR on board in what looks like the future in aerospace manufacturing.

Julie Van Kleeck, Aerojet Rocketdyne vice president of Advanced Space & Launch says,“This is another example of Aerojet Rocketdyne’s focus to maintain schedule for the United States to be able to have AR1 ready to fly in 2019, to keep our country on track to end dependence on Russian engines.”

Aerojet Rocketdyne’s 3D printed multi-element preburner injector under test fire.

In order to meet the agreement, NASA Stennis will have to modify their E-1 complex, cell 1 test stand over six months in order to reconfigure it to conduct AR1 staged combustion testing. Van Kleeck adds, “We are using a stair step approach to eliminate the highest risk items first in our AR1 engine development program to ensure earliest possible delivery. By incorporating additive manufacturing and other new processes, materials and techniques into our plan, we offer the Nation a timely, cost-efficient path to end reliance on the Russian engines.”

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Moscow

ECC "Sokolniki", pavilion 2, 5-iy Luchevoy prosek, 7/1

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