Business

April 24, 2013

Pratt & Whitney Rocketdyne reaches milestone in development of next rocket engine for human spaceflight

CANOGA PARK, Calif. – Pratt & Whitney Rocketdyne, the rocket-engine manufacturer that helped power American astronauts to the moon during the Apollo era, has completed the last in a series of hot-fire tests on a J-2X engine with a stub-nozzle extension at simulated altitude conditions.
This latest chapter in the development of America’s next rocket engine paves the way toward full-motion testing of the J-2X engine, which is designed to power humans to Mars. NASA has selected the J-2X as the upper-stage propulsion for the evolved 143-ton (130-metric-ton) Space Launch System, an advanced heavy-lift launch vehicle.

Pratt & Whitney Rocketdyne is a United Technologies Corp. company.

“This test series with the stub-nozzle extension was very successful,” said Walt Janowski , J-2X program manager, Pratt & Whitney Rocketdyne. “We completed all the objectives we set out to accomplish, and acquired important information to help us better understand how the engine will perform during flight ñ from thrust, hardware durability and combustion stability. We look forward to continuing to work with NASA to provide a safe, reliable transportation system to explore new destinations in space.”

In the latest series of tests with the stub-nozzle extension, J-2X Engine 10002 was tested six times for a total of 2,156 seconds on the A-2 test stand at John C. Stennis Space Center in Mississippi. The stub-nozzle extension allows engineers to test the engine in near-vacuum conditions, similar to what it will experience in the extreme environment of space. The next step is to move the engine to the A-1 test stand, where it will be fired to test the range of gimbal motion for its flexible parts. Engine 10002 is the second J-2X development engine built by Pratt & Whitney Rocketdyne for NASA. The first J-2X engine, Engine 10001, was tested a total of 21 times for more than 45 minutes last year. The J-2X powerpack, which consists of components on top of the engine, was tested separately 13 times for a total of more than 100 minutes at Stennis Space Center.
The engines and powerpack were fired at varying pressures, temperatures and flow rates to ensure the engine is ready to support exploration beyond low-Earth orbit, Mars and beyond.




All of this week's top headlines to your email every Friday.


 
 

 
boeing-chinook

Boeing delivers first U.S. Army multiyear II configured Chinook

Boeing July 29 delivered the first multiyear II configured CH-47F Chinook helicopter to the U.S. Army one month ahead of schedule. The delivery was celebrated in a ceremony at the production facility in Ridley Township, Penn. â...
 
 
Army photograph by SSgt. Angela Stafford

Engineers developing safer, more accurate tracer round

Army photograph Tracer rounds enable the shooter to follow the projectile trajectory to make aiming corrections. However, the light emitted by these rounds also gives away the position of the shooter. Engineers at Picatinny Ars...
 
 

General Dynamics to continue work on U.S. Air Force GPS III program

General Dynamics Advanced Information Systems, a business unit of General Dynamics, has been awarded a $25.4 million full-production contract from Lockheed Martin to support the U.S. Air Force Global Positioning System (GPS) III Network Communications Element for space vehicles seven and eight. The Air Force’s next-generation GPS III satellites will improve position, navigation and timing...
 

 

Javelin joint venture demonstrates vehicle-mounted missile launch

The Raytheon and Lockheed Martin Javelin Joint Venture recently fired a Javelin missile from a remote weapon station integrated onto a wheeled vehicle at Redstone Arsenal in Huntsville, Ala. The test demonstrated Javelin’s vehicle-launch capability to an international customer that has expressed interest in purchasing vehicles integrated with Javelin. The Javelin missile launched successfully...
 
 

Royal Australian Air Force scores direct hit with JSOW C

The Royal Australian Air Force has successfully tested a Raytheon Joint Standoff Weapon C against a hardened wall target at the RAAF Woomera Test Range. Launched from an F/A-18F Super Hornet at an operationally representative stand-off range and altitude of 25,000 feet, the JSOW C scored a direct hit. The RAAF test marked the third...
 
 

Boeing to assemble 787-10 Dreamliner in South Carolina

Boeing announced July 30 that final assembly of the 787-10, the newest and longest member of the 787 Dreamliner family of airplanes, will take place exclusively in North Charleston, S.C. Boeing will continue to assemble both 787-8s and 787-9s in Everett, Wash., and North Charleston. Design of the 787-10 is underway in Everett, with final...
 




0 Comments


Be the first to comment!


Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>