Collision safety of a hard-shell low-mass vehicle

Low-mass vehicles and in particular low-mass electric vehicles as produced today in very small quantities are in general not designed for crashworthiness in collisions. Particular problems of compact low-mass cars are: reduced length of the car front, low mass compared to other vehicles, and heavy b...

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Bibliographic Details
Published in:Accident analysis and prevention 1994-06, Vol.26 (3), p.399-406
Main Authors: Kaeser, Robert, Walz, Felix H., Brunner, Anton
Format: Article
Language:English
Subjects:
Accidents, Traffic
Automobiles - instrumentation
Equipment Design
Humans
Safety
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Summary:Low-mass vehicles and in particular low-mass electric vehicles as produced today in very small quantities are in general not designed for crashworthiness in collisions. Particular problems of compact low-mass cars are: reduced length of the car front, low mass compared to other vehicles, and heavy batteries in the case of an electric car. With the intention of studying design improvements, three frontal crash tests were run last year: the first one with a commercial, lightweight electric car; the second with a reinforced version of the same car; and the last one with a car based on a different structural design with a “hard-shell” car body. Crash tests showed that the latter solution made better use of the small zone available for continuous energy absorption. The paper discusses further the problem of frontal collisions between vehicles of different weight and, in particular, the side collision. A side-collision test was run with the hard-shell vehicle following the ECE lateral-impact test procedure at 50 km h and led to results for the EuroSIDl-dummy well below current injury tolerance criteria.
ISSN:0001-4575
1879-2057
DOI:10.1016/0001-4575(94)90014-0