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| Re: Tuscarora Almanac - November 29, 1983 - The Book of First Runs (1376008) | |||
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Re: Tuscarora Almanac - November 29, 1983 - The Book of First Runs |
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Posted by randyo on Wed Dec 2 15:59:54 2015, in response to Re: Tuscarora Almanac - November 29, 1983 - The Book of First Runs, posted by MainR3664 on Wed Dec 2 08:27:30 2015. I use the term SMEE rather generically. The last true SMEEs on NYCTS property were the R-32s. Starting with the R-38s and continuing to the R-62 and R-68A orders the WABCO brake package was called RT-2. Among the slight differences between it and the SMEE were the use of an ME-43 brake valve instead of the ME42B (and earlier ME 42 and 42A) bake valves found on SMEE equipment and the use of a load sensor instead of the variable load valve which is why the R-38 and up and most GOHs lack the puff of air that used to be heard whenever the guard lights went out. The exhaust from the R-38s through 42s also sounded a bit different from the earlier SMEEs and emitted what has often been referred to on this forum as the “Darth Vader” sound. The Exhaust from the R-62s and 68As was different again and to me was more reminiscent of the exhaust from IRT Hi-Vs and Flivvers. The R-62As and R-68s as well as some of the GOHs had the NYAB version of the SMEE which was called Newtran and that sounded different from the WABCO and actually seems closer to the sound of the older SMEEs. Mechanically, however the cars were extremely similar in operation and all could run together although they were not operated together in passenger service. |
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