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| Re: MBTA Boston: Blue Line's new cars (670929) | |||
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Re: MBTA Boston: Blue Line's new cars |
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Posted by AEM-7AC #901 on Thu Aug 21 22:18:45 2008, in response to Re: MBTA Boston: Blue Line's new cars, posted by Chicagopcclcars on Thu Aug 21 22:02:54 2008. Can I get an explanation of the third rail shoes and the pantographs.Think hard... :) MBTA's Blue line uses third rail from Bowdoin to Airport where the switch over to catenary occurs for the rest of the route to Wonderland. I'm still at a loss to explain why catenary was used despite the fact that both catenary and third rail are at 600VDC. BTW, the Blue Line was originally a Green Line-esque counterpart for East Boston, but unlike the Green Line, it was converted to heavy rail in the 1920s. Given the advances from streetcars to de facto Stadtbahn units, it probably would have been better to keep the Blue Line as an LRV-based system with a street running branch towards Chelsea. |
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