Tuesday 24 May 2022, 02:49 PM
Parachutes for NASA's Orion spacecraft passes key flight simulation test
By IANS | Bharat Defence Kavach | Publish Date: 7/21/2018 3:37:32 PM
Parachutes for NASA's Orion spacecraft passes key flight simulation test

Washington: The parachutes for NASA's next crew vehicle, the Orion capsule, intended to carry humans to deep space, has successfully passed a drop test, the US space agency said. Orion's full parachute system includes 11 parachutes three forward-bay cover parachutes, two drogue parachutes, three pilot parachutes, and three main parachutes.

These are designed to reduce the capsule's speed during its descent back to Earth, supporting a safe landing in the ocean.The parachute system were "deployed as planned after being dropped from an altitude of 6.6 miles [10.6 kilometers) on July 12, at the US Army Proving Ground in Yuma, Arizona", NASA said in a statement. Data from, the seventh of eight total tests, "will help NASA engineers certify Orion's parachutes for missions with astronauts" to moon and Mars. 

The test evaluated parachute deployment under conditions that exceeded the requirements for a system carrying crew.Engineers dropped the dart-shaped test article from an altitude that allowed it to generate enough speed to simulate almost twice as much force on the main chutes as would be expected under normal conditions. 

Each of Orion's three main parachutes expands to 116 feet in diameter and contains enough fabric to cover 80 yards of a football field, but is carried aboard Orion in containers the size of a large suitcase. For storage, the parachutes are compacted with hydraulic presses at forces of up to 80,000 pounds, baked for two days and vacuumed sealed. 

Once packed, they have a density of about 40 pounds per cubic foot, which is roughly the same as wood from an oak tree.The last test in the series, scheduled for September, will use a capsule-shaped test article representative of the spacecraft NASA will use on Orion's upcoming missions.


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