Crank Arm Optimisation

The purpose of this project was to design an optimised crank arm for a mountain bike within torsional and bending stress constraints. Analytical calculations derived a set of successive topology optimisations from which a parametric model was generated.

See some of the images, tools, tech and project outcomes below.

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Tools & Tech

  • SolidWorks
  • Microsoft Office

Outcome & Impact

The optimised crank arm saved 56% of the original model weight and performed to the constraints with a Factor of Safety of 1.35. The project gave experience in enhancing an existing part through modern software whilst still considering traditional manufacturing techniques and budget.