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  EFT-1: Orion's charred heat shield surface studies

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Author Topic:   EFT-1: Orion's charred heat shield surface studies
Robert Pearlman

Posts: 32460
From: Houston, TX
Registered: Nov 1999

posted 06-03-2015 02:22 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
NASA Marshall Space Flight Center video release
NASA Team at Marshall Removes Charred Orion Heat Shield Surface

In this time-lapse video, captured in NASA's Marshall Space Flight Center Building 4705 from March 24 to May 15, NASA and Lockheed Martin workers remove burnt ablative material — or the incinerated outer surface — from the Orion heat shield. The shield was charred during Orion's successful flight test in late 2014.

The team, led by thermal protection engineers from NASA's Ames Research Center, used Marshall's innovative, seven-axis milling machine in Building 4705 to cut away large sections of the ablative material, known as Avcoat. The remaining 180 or so Avcoat squares, many covering sophisticated sensors, were removed by hand for delivery to Ames and other NASA facilities.

In early June, the stripped heat shield will travel to NASA's Langley Research Center for water-impact testing, while analysis of the ablated material and sensor data will continue until late 2015 — aiding development of the next Orion flight test vehicle.

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