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NASA and Lockheed Martin Say That the Orion Spacecraft is Complete

Posted in Science on 3rd Nov, 2014 09:20 PM by AlexMuller
"An empty shell of a spacecraft arrived to Kennedy Space Center two years ago, and now we have a fully assembled Orion standing 72 feet tall," said Michael Hawes Lockheed Martin Orion program manager. "We're ready to launch it into space and test every inch."
The spacecraft will remain inside NASA's Launch Abort System Facility at Kennedy Space Center until it rolls to launch pad 37 in November. The final assembly stages of the spacecraft included installing Orion's Ogive panels, which protect the crew module from harsh acoustic and vibration environments during launch and ascent. Engineers also installed fasteners to secure the panels in place and covered them with a thermal protection coating. Orion was then lifted by crane, rotated into the proper orientation for mating with the Delta IV Heavy launch vehicle, and placed onto the transport pallet.
The team then performed a fairing purge test, which verifies how much dry gas needs to be pumped into the space between the Ogive panels and the spacecraft. The dry gas ensures that when Orion is transported to the launch pad, it does not accumulate moisture, which could cause corrosion and contamination.
When Orion arrives to launch pad 37 it will immediately be lifted 170 feet up and mated to the Delta IV Heavy. Over the next few weeks, the rocket and spacecraft will be integrated, powered up, and interfaces between the two will be verified in preparation for Exploration Flight Test-1 (EFT-1) on December 4.
During EFT-1, the uncrewed spacecraft will launch on a Delta IV Heavy rocket and will travel 3,600 miles beyond Earth, 15 times further than the International Space Station. That same day, Orion will return to Earth at a speed of approximately 20,000 mph for a splashdown in the Pacific Ocean.
EFT-1 will provide engineers with data about systems critical to crew safety such as heat shield performance, separation events, avionics and software performance, attitude control and guidance, parachute deployment, and recovery operations to validate designs of the spacecraft before it begins carrying humans to new destinations in deep space.

Tags: spaceNASAOrionspacecraftMars

Read original article » Back to category


Author: Guest
Posted: 2014-11-04
It is great to see Orion complete and even better, it would be fantastic to see this spacecraft do really well - we all hope Reply


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