NASA NTRS · 19720000711
Energy absorbing system for mechanical impacts
Abstract
System is described based on use of arrangement of crushable hollow spheres bonded together in layers of progressively different diameter, with largest diameter spheres positioned to receive impact forces initially. System is particularly useful for delivery of payloads by air-drop techniques.
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Collins, E. R., Jr.. 1972-12-01. Energy absorbing system for mechanical impacts. https://ntrs.nasa.gov/citations/19720000711
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