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| Re: [PHOTOS] The D-Type ''Triplex'' Original Look (1457746) | |||
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Re: [PHOTOS] The D-Type ''Triplex'' Original Look |
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Posted by randyo on Sun Dec 10 16:29:59 2017, in response to Re: [PHOTOS] The D-Type ''Triplex'' Original Look, posted by SLRT on Sun Dec 10 10:59:30 2017. As originally designed, the intent was the have the C/R ride on the platform outside one of the cars and operate the door handles on both sections of the train fro whichever side he was standing on. It was changed on the production units to the way we are familiar with having the C/R mount the steps and the first 4 units were retrofitted to match the later units. Also the first 4 units 6000 to 6003 and the last unit 6120 were equipped with roller bearings unlike the rest of the units and the inside of the M/M’s cabs i those cars had yellow stripes painted on the inside walls of the cabs and the controls and the words “Roller bearing car” painted just above the vision glass. The reason for that was that during normal operation of prewar cars, it was standard practice for the M/M to make a final brake release just before the train stopped and let the friction of the old friction bearings hold the train. The warning stripes were to advise the M/M to hold some air in the brake cylinders when operating a roller bearing car to prevent the train rolling. A number of the old timers I spoke to referred to the entire class of D types as “the roller bearing cars” even though there were only 5 units with the roller bearings and I don’t recall seeing any more than one roller bearing unit in any of the D type trains I rode. Another oddity about 2 of the first units 6002 and 6003 is that they were equipped with WH master controllers instead of the GE controllers found on the rest of the fleet. These controllers were almost identical in appearance and function to the WH controllers found on the R-1/9s and when the R-1/9s were transferred to the BMT in the 1950s for use on the 4 Av Lcl, the instruction bulletins advised M/M of the similarity and to operate the R types’ controllers as they would the controls on 6002 and 6003. It’s unfortunate that neither of those 2 oddball D units was save to run with the museum train. |
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