Editing Brake discs (section)

====Standard cast iron====
[[Image:A111J0128F.JPG|thumb|right|Vented S1 OEM Disc]]
These discs followed the MMC disc as the standard brake disc for the S1 Elise from VIN 3715.

Although introduced for cost reasons, Iron disks are better able to withstand the high temperatures associated with track driving and provide better wet weather performance than the previous MMC disks.

The surface of the disks are solid, however they are internally vented to aid cooling.  As the disk rotates at speed, centrifugal forces act on the air inside the vanes, forcing it outwards from the center.  This action then draws fresh, cooler, air from the center of the disc through the internal vanes and out through the holes in the edges. (Lotus Part Number: A111J0128F)


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