Citation

Batzer SA, Hooker RM. Proc. Int. Tech. Conf. Enhanced Safety Vehicles 2005; 2005: 5p.

Copyright

(Copyright © 2005, In public domain, Publisher National Highway Traffic Safety Administration)

DOI

unavailable

PMID

unavailable

Abstract

Inverted drop testing of vehicles is a destructive determination of roof strength used by industry, government organizations and independent engineers to determine vehicle safety with respect to rollover collision. In this paper, the results of numerous inverted drop tests are summarized and analyzed, giving both the amount of permanent and temporary roof crush that occurs during impact. Only unmodified production vehicles with sound roofs were tested. The amount of dynamic roof crush varied from a low of 0 to a maximum of 7.0 cm, the relationship between elastic and plastic roof crush was not found to be statistically significant, and prediction intervals for A and B-pillar crush were developed.