Harry Farnhill

Degree: BEng Motorsport Engineering

Project title: Understanding spring rate and damper settings of a Sports 2000 car using driver in the loop simulator

Project Overview

The project was to evaluate the current damper co-efficients and what effect they had on handling, the same for spring rate. The handling effect would be evaluated in the simulator but validating the simulator to real life from damper dyno testing, as well as track data from Silverstone. The damper forces would be characterised as the damping ratio values which would be directly compared against the handling effect to clarify what damper forces would affect the handling. The findings were that the low speed compression should be softer than rebound as the rebound controls the sprung mass and that the high speed should be softer than low speed to absorb kerbs and bumps. The spring rate would want to be as soft as possible without excessive roll and pitch to increase grip and decrease weight transfer. This would be a sprung frequency ranging from 2-2.5 hz.

Poster board

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