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<p>is usually illegal on public roads.</p>

<p><big>Steering forces</big></p>
<p>Deflecting the steering changes the slip angle of the front tyres, generating a sideforce. With conventional steering, the tyres are deflected by different amounts, but for the purposes of this analysis, the additional slip will be considered equal for both front tyres.</p>

<p>The side force becomes:</p>

<p>
:</p>

<p>where  (eta) is the steering deflection.  Similarly, the yawing moment becomes:</p>

<p>
:</p>

<p>Including the steering term introduces a forced response:</p>

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