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The Relationship between Twist Axis and Effective Torsional Stiffness of a Motorcycle Frame

  • M. Raines
  • G. E. Roe
  • T. E. Thorpe

Summary

The design of a motorcycle frame has an important influence upon the machines weave and flutter oscillation characteristics. This paper deals particularly with the torsional stiffness of the frame and it underlines the importance of the position of the twist axis, i.e. the axis about which the frame twists. It is demonstrated that because the twist axis moves, the torsional stiffness of a frame may reduce as individual members are stiffened. The position of the twist axis of a motorcycle frame is determined by finite element techniques, and this is then related to its stability and handling characteristics.

Keywords

Lateral Force Torsional Stiffness Rear Wheel Finite Element Technique Speed Flutter 
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References

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Copyright information

© Springer Japan 1986

Authors and Affiliations

  • M. Raines
    • 1
  • G. E. Roe
    • 2
  • T. E. Thorpe
    • 2
  1. 1.Department of Mechanical EngineeringSunderland PolytechnicSunderlandUK
  2. 2.Simon Engineering LaboratoriesUniversity of ManchesterUK

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