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Re: Why can't they turn the heaters on?

Posted by randyo on Fri Jan 12 23:04:42 2018, in response to Re: Why can't they turn the heaters on?, posted by Steve B-8AVEXP on Fri Jan 12 19:46:32 2018.

No pins were added to the slides (electric portions). A 9 point jumper receptacle was added beneath the drawhead to carry the MUDC circuits. That was when and why the BMT developed the hammerhead brake handles that many of the old time railfans are familiar with on the BMT prior to the Chrystie St merger when the steels were being phased out and there were no longer jumpers that had to be hammered in. Based on a film that was produced by the BRT circa 1918, it seems that the BMT used the standard open top brake handle as was used on the IRT, the IND and other systems using ME-23 and ME-30 brake valves. IRT M/M would tap the jumpers on the Hi-Vs and Lo-Vs with the back end of the brake handles. To avoid having the back ends of the brake handles flattened by hammering in the jumpers, the BMT developed a brake handle that could also be specifically used to hammer the jumpers in.

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