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  1. khyber

    200MPH+ on the NEC: Is it practical?

    Constant tension catenary can actually have much longer span distances these days. Siemens Sicat SX, good for speeds up to 250 kmh (so almost all of the NEC), can have a span distance of 112 m, and the limit at this distance is wind. This was successfully deployed in Denmark, and in the UK...
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