Substitution of Reefing Loops for Reefing Rings in Pressure Packing

Hennings, Elsa

doi:10.2514/6.2007-2536

Cited by 2 publications

(2 citation statements)

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“…Following initial development airdrop tests and upon inspection of the rings and the canopy, some damage was noted to both the reefing rings and the textile material surrounding the rings. While no damage was ever observed that substantially affected parachute performance, the design team felt that a switch to textile reefing loops was important based partially on the work by Hennings [2].…”

Section: Textile Reefing Loopsmentioning

confidence: 99%

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Textile Material Lessons Learned During the Design and Qualification of the NASA Orion Capsule Parachute Assembly System

Anderson

Daum

Tawdros³

2019

AIAA Aviation 2019 Forum

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The NASA Orion Capsule Parachute Assembly System (CPAS) development and qualification testing was completed in September 2018. Over the course of the airdrop and ground testing campaign, the team benefited from the ability to design, test, and adjust the design based on observations and inspection results. While the design team used the best knowledge available and attempted to utilize best practices, a number of lessons were learned that should be documented for consideration by future designers. This paper describes these lessons learned including the use of textile reefing loops, the importance of performing joint tests, the impact of using bight sleeves on parachute deployment, and a surprising number of design changes required in the CPAS system after the decision was made to change the suspension line braid to save system mass.

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Section: Textile Reefing Loopsmentioning

confidence: 99%

“…CPAS Project Manager, Project Management Branch (EA5-2), AIAA Member 2. CPAS Hardware Lead, Flight Mechanics and Trajectory Design Branch (EG-5) 3.…”

mentioning

confidence: 99%