Cant deficiency & Cant Excess
Cant deficiency occurs when a train travels around a curve at a speed higher than the equilibrium speed . it is the difference between the theoretical cant required for such higher speed and the actual cant provided. In normal – 75mm , special case- 100mm. For A&B route with the permission of CE.
Cant excess occurs when a train travels around a curve at a speed lower than the equilibrium speed. It is the difference between the actual cant provided and the theoretical cant required for such lower speed. Limiting value – 75mm.
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