Re: Shuttle of New York City (1404628) | |||
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Re: Shuttle of New York City |
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Posted by Express Rider on Sat Aug 6 17:44:44 2016, in response to Re: Shuttle of New York City, posted by randyo on Sat Aug 6 14:33:05 2016. I have read a basic description of how section breaks work. What were the design features of the Hi-V's that would have allowed an overload of current between third rail breaks powered by different sub-stations (which could burn out the motors) that were changed or improved upon in later equipment? |