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Old Posted Mar 19, 2021, 4:52 PM
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Quote:
Originally Posted by ardecila View Post
This is not quite true, plenty of new-build metro systems continue to use a 3rd rail DC traction system, esp. in China to reduce the size and cost of tunnels, and lower the weight of train equipment for better acceleration (with DC you don't need an onboard transformer).
That makes sense. I was just thinking of its lack of prevalence in NA and Europe.

Quote:
Originally Posted by ardecila View Post
So OCS is the clear winner - except some Californians think it's ugly.
Well, that explains it...


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