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Vertical Drop Testing and Analysis of the Wasp Helicopter Skid Gear (in English)
Nasa Technical Reports Server (Ntrs)
(Author)
·
Karen E. Jackson
(Author)
·
Yvonne T. Fuchs
(Author)
·
Bibliogov
· Paperback
Vertical Drop Testing and Analysis of the Wasp Helicopter Skid Gear (in English) - Jackson, Karen E. ; Fuchs, Yvonne T. ; Nasa Technical Reports Server (Ntrs)
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Synopsis "Vertical Drop Testing and Analysis of the Wasp Helicopter Skid Gear (in English)"
This report describes an experimental program to assess the impact performance of a skid gear for use on the Wasp kit-built helicopter, which is marketed by HeloWerks, Inc. of Hampton, Virginia. In total, five vertical drop tests were performed. The test article consisted of a skid gear mounted beneath a steel plate. A seating platform was attached to the upper surface of the steel plate, and two 95th percentile Hybrid III male Anthropomorphic Test Devices (ATDs) were seated on the platform and secured using a four-point restraint system. The test article also included ballast weights to ensure the correct position of the Center-of-Gravity (CG). Twenty-six channels of acceleration data were collected per test at 50,000 samples per second. The five drop tests were conducted on two different gear configurations. The details of these test programs are presented, as well as an occupant injury assessment. Finally, a finite element model of the skid gear test article was developed for execution in LS-DYNA, an explicit nonlinear transient dynamic code, for predicting the skid gear and occupant dynamic responses due to impact.
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The book is written in English.
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