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International Journal of Automotive Technology

, Volume 20, Issue 1, pp 25–36 | Cite as

Motorcycle Accidents — A New Head and Neck Safety Device for Riders

  • Massimiliano Gobbi
  • Gianpiero Mastinu
  • Giorgio PreviatiEmail author
Article
  • 1 Downloads

Abstract

This paper is devoted to the design and first implementation of a new head and neck safety device (NHNS) for race of motorcycles. The system aims to mitigate the effects of crash forces acting along almost every direction with respect to the head. The system is composed by a helmet, linked to a jacket by means of a number of cables and a by a number of stop surfaces to limit both the flexion and extension of the neck. Stop surfaces are provided also to limit the lateral leaning of the head. Preliminary numerical simulations, performed by a simplified human model, and experimental tests, ran by using a Hybrid III dummy, show that the NHNS has the potential to actually reduce the neck damage in some relevant crash situations. The effect of the device is reducing the load acting on the passenger’s neck and maintaining the vertebrae rotations within the physiological limits.

Key words

Neck injury Neck protection device Race drivers Motorcyclist Injury prevention 

Nomenclature

a

acceleration, m/s2

F

force, N

M

moment, Nm

t

time, s

v

velocity, m/s

δ

deformation, m

Subscripts

int

critical internal (force or moment)

rel

relative

x

longitudinal direction

y

lateral direction

z

sagittal (vertical) direction

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Copyright information

© The Korean Society of Automotive Engineers and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Massimiliano Gobbi
    • 1
  • Gianpiero Mastinu
    • 1
  • Giorgio Previati
    • 1
    Email author
  1. 1.Department of Mechanical EngineeringPolitecnico di MilanoMilanItaly

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