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| Re: Why isn't Alternating Currentu used to power Subways? (was R1/9 acceleration) (664426) | |||
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Re: Why isn't Alternating Currentu used to power Subways? (was R1/9 acceleration) |
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Posted by Hank Eisenstein on Sun Aug 10 14:29:44 2008, in response to Re: Why isn't Alternating Currentu used to power Subways? (was R1/9 acceleration), posted by JournalSquare-K-Car on Sun Aug 10 12:54:53 2008. There are a number of hurdles to this, including the required multi-day full-system shutdown to change the propulsion system in all the cars. |
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