Laboratory and field evaluations of textile energy absorbers for crashworthy cargo restraints

Eric J. Little, Charles E. Bakis, Lindley W. Bark, Robert M. Willis, Simon W. Miller, Michael A. Yukish, Edward C. Smith

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Improvement of cargo tie-down systems is of utmost importance to help ensure rotorcraft crew safety in the event of a hard but survivable crash or hard landing. To this end, various load-limiting, energy-absorbing devices, placed inline with conventional tie-down hardware such as straps and chains, have been evaluated for their ability to prevent the complete failure of a tie-down and the unconstrained movement of cargo in the vicinity of nearby personnel and structure during a high-acceleration event. The current investigation aims to further this line of exploration by evaluating the performance of textile-based energy absorbing devices in well-controlled laboratory experiments using a horizontal sled and in field experiments using crash-tests of CH-46 hulks. Textile-based energy absorbers of a capacity suitable for rotorcraft tie-down systems are shown to behave as designed in both types of experiments. The devices prevented the failure of a simulated tie-down point in accelerative environments that failed the tie down point in the absence of an energy absorber.

Original languageEnglish (US)
Pages (from-to)1016-1022
Number of pages7
JournalAnnual Forum Proceedings - AHS International
Issue numberJanuary
StatePublished - 2015

All Science Journal Classification (ASJC) codes

  • General Engineering


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