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R46 Technology (was: Re: R-160 Update)

Posted by J trainloco on Sat Sep 23 22:39:27 2006, in response to Re: R-160 Update, posted by Train Dude on Sat Sep 23 13:03:21 2006.

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While we're on the topic of the R46's and their various removed technologies, was there ever a function known as 'selective speed service'? I've heard that this feature allowed trains to operate at speeds up to 65 mph, on revenue trackage, but that this practice was discontinued due to a rear ending at 53rd/Lex. If this feature DID exist, when was it removed? And for the record, when did R44/46s loose the ability to achieve high speeds? I'm assuming that it was at their GOH, and that they had standard motors installed. But before then: did they still have the capability to reach 75mph, if their governors (of whatever type) were removed?

I hope my questions weren't too confusing.

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