DISCUSSION: Moment of Inertia

The general formula for approximating the moment of inertia of a vehicle based on the formula for a Rectangular Parallelepiped of uniform density was demonstrated in an 1970 IME paper (Reference 25, p 88) to correlate well with motor vehicles as follows:

Figure 10 Moment of Inertia comparison

This technique continues to provide a good approximation technique for the moment of Inertia in Yaw of most motor vehicles.

FURTHER READING: Reference 26 contains a summary of Moment of Inertia approximation techniques.

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Braking/Tractive Force Tables