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| Re: Metro-North New Haven Line on track for new cars (219663) | |||
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Re: Metro-North New Haven Line on track for new cars |
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Posted by WillD on Wed Feb 22 18:10:07 2006, in response to Re: Metro-North New Haven Line on track for new cars, posted by SUBWAYMAN on Wed Feb 22 17:24:06 2006. I'm increasingly getting the feeling that the carbody on the M7 is massively overbuilt. If the far lighter MR90 has the same buff loading then the FRA had nothing to do with the M7 being overweight.If the weight is all in the carbody then that problem isn't going to be, and likely cannot be, fixed. You'd have to strip every component out of the cars to get them down to a weight about the same as contemporary cars. The M7 is simply a flawwed design in terms of weight management, a product of the MTA's failure to specify a given weight and Bombardier's penchant for overweight vehicles. If the MTA had written weight requirements into the M7 specification they'd have a cause for legal action against Bombardier over the weight, but as it is they did not cover their asses on this. This doesn't mean the M7s don't work, they carry tens of thousands of commuters every day and likely will do so for decades to come. For the next three to four decades LIRR and MN riders and taxpayers in the MTA service area will pay the price for those oversights in high electric bills and increased operating costs. Perhaps the sealed AC motors and their cheaper maitenance will offset the higher power costs, but certainly the M7s could have been a great tool to reduce the cost of running MN and LIRR. Instead with their high weight they'll be lucky to break even compared to the old M1s and M3s. |
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