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Deriving Eq. 3-18, p.131 (Greenbook 2004)

Deriving Eq. 3-18, p.131 (Greenbook 2004). Wa c. The centrifugal force: F c =. g. Minimum Radius of a Circular Curve (cont). Wa c. The centrifugal force: F c =. g. . Superelevation. Warning!.

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Deriving Eq. 3-18, p.131 (Greenbook 2004)

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  1. Deriving Eq. 3-18, p.131 (Greenbook 2004) Wac The centrifugal force: Fc = g

  2. Minimum Radius of a Circular Curve (cont) Wac The centrifugal force: Fc = g  Superelevation

  3. Warning! Coefficient of skidding friction (now a/g) and Coefficient of side friction ARE different! Braking distance  Use coefficient of skidding friction (longitudinal friction). Usually Minimum radius  Use coefficient of side friction, See Exhibit 3-12.

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