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| Re: R46 Technology (was: Re: R-160 Update) (314707) | |||
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Re: R46 Technology (was: Re: R-160 Update) |
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Posted by J trainloco on Sat Sep 23 23:29:56 2006, in response to Re: R46 Technology (was: Re: R-160 Update), posted by Train Dude on Sat Sep 23 23:17:21 2006. The cars were built to run on the 2nd Ave subway and as such, had a balancing speed of 70 MPH IIRC. There was a mode-selector switch on the console what had several operating modes. I only remember "Wayside Manual & Wayside Regulated".I never knew that they had a mode selector switch. Interesting info. As for the balancing speed of 70 on the SAS, I'd heard of this, but realistically, was this even possible on the SAS, which lacked express tracks? Another thing that bugged me: Why did the R46 come delivered with ATO capability? Sure, the R44 was delivered with it for the SAS. But the R46 was a much larger order, and I doubt that any of them would have ever seen service on SAS (or, at least, only a handful). Were there plans to expand ATO to other parts of the system? I do know that in full field shunting they could achieve 60 MPH before GOH ,however, I don't recall a collision with R-46s other than the one at 179th St where cars 1054 and 941 were lost. That's pretty fast. Still, what was the diff between full-field shunting and Whatever mode allowed 70mph? Matter of fact, do you know the motor specs for the R46s before their castration? I'm sure they had more than the standard 4(?) 125hp motors per truck (again, ?). Hope that at least partially answers your questions Yeah, in part, although it doesn't answer whether or not this Selective Speed service thing actually existed. Allegedly, it was used along with standard wayside protection, but was discontinued early on, due to the alleged rear-ending. The report doesn't say that it was a major rear ending incident, so it could've been a slight tap, after which the MTA put the clamps on the R46s. Of course, I haven't been able to verify any of this. |
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