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A safe seat for lightweight vehicles
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| Submitted: Thu Jul 11 2002
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A safe seat for lightweight vehicles The Working Group on Accident Mechanics has developed a low mass vehicle (LMV) with a curb weight of 650 kg, called "Cratch". This experimental vehicle demonstrates that a high level of passive safety for the occupants of low mass vehicles is achievable in frontal collisions (Frei 97). The development of a car seat suited for use in LMVs has been a part of this project. The seat is an important element of the restraint system: In the case of a frontal crash, the initial position of the occupant is defined by the contour and position of the seat, and, during the crash, a part of the occupant's kinetic energy is absorbed through deformation of the seat base. In rear-end impacts the seat represents the entire restraint system. During a collision against a conventional car, the low mass vehicle, due to the fundamental laws of motion, is...
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