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Post AtGSFVFWCt33PTc5D6 by [email protected] |
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More posts by [email protected] |
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Post #AtG3NEokgZuHuVgX6e by [email protected] |
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Rotary Converter, IRT Subway Substation 13, Midtown Manhattan, 2017.All the pix… |
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Post #AtG3PGcMxmrw4arQIa by [email protected] |
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NYC's IRT subway, opened in 1904, is powered by a 600 volt DC third rail ru… |
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Post #AtG3dIpDYO5KyNYy6y by [email protected] |
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@mattblaze Wonderful photo. I suspect those rotary converters are very reliable! |
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Post #AtG3tbzS49zR2t7uvQ by [email protected] |
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@mattblaze I have a 75th anniversary reprint of the IRT prospectus here, and it… |
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Post #AtG3tc5ThkoJLZwjJo by [email protected] |
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@spacehobo It *is* impressive, and in 1904, it *was* futuristic. What should th… |
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Post #AtG4elkfafYUvmhOq0 by [email protected] |
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@mattblaze I recommend looking up mercury rectifiers. There are loads of video… |
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Post #AtG4elrPBcwXGfqmKu by [email protected] |
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@spacehobo I am well aware of them. It's just weird to shit on the NYC subw… |
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Post #AtG5SCKPZIijXuzCwC by [email protected] |
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@mattblaze @spacehobo From my local museum who just happen to have such a recti… |
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Post #AtG64097JGRwlfjHlI by [email protected] |
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@mattblaze wow. Is this place open to the public? |
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Post #AtG68ioLBkvUS5GKYa by [email protected] |
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@CppGuy I think at the time they used DC motors primarily because the higher to… |
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Post #AtG6D78GhiU52eg5Ng by [email protected] |
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@meercat0 No, but there are occasional tours arranged by the Transit Museum (hi… |
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Post #AtG6Qk2pLBDRUTdAiO by [email protected] |
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If you like this stuff, there's a sadly out of print book, "New York&#… |
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Post #AtG6oyjIOTeHz93IRM by [email protected] |
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@mattblaze Thank you, I will check |
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Post #AtG7Eh2ulOT8faUTK4 by [email protected] |
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@mattblaze always pleased to see this one come round again on your feed |
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Post #AtG8w1BXrVNtXKkZMm by [email protected] |
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@VE2UWY We seem to have lost our ability to build large public works projects s… |
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Post #AtG9YoZShAWZhxR82i by [email protected] |
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@VE2UWY It's also worth noting that in 1904, electric street lighting (and … |
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Post #AtG9lhZm0uWdmIj9xQ by [email protected] |
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@VE2UWY Most of the publicly available energy infrastructure was in the form of… |
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Post #AtG9t4pVxFervSbgRM by [email protected] |
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@VE2UWY The NYC subway, like the London Underground before it, was *revolutiona… |
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Post #AtGBOuVpwws79E97Vg by [email protected] |
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@mattblaze I hadn't had my morning coffee and my first thought when I saw t… |
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Post #AtGBmoWRs9wJWHpXDU by [email protected] |
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@karlauerbach a very, very large one. |
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Post #AtGLfjPdTJ1FBbuAxU by [email protected] |
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@spacehobo motor generator converters are amazingly robust, and would likely b… |
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Post #AtGLfjW15a7hVOtGu8 by [email protected] |
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@RandomDamage Yeah, I think you have to be willing to put up with the heat loss… |
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Post #AtGLfjckgXVjqI2eP2 by [email protected] |
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@spacehobo heat losses should be par with solid state, though absolutely the ma… |
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Post #AtGNaID3Nrn3HJYQQC by [email protected] |
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@mattblaze @karlauerbach These are just beautiful |
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Post #AtGSFVFWCt33PTc5D6 by [email protected] |
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@mattblaze @karlauerbach continuing the theme of misunderstanding what you'… |
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Post #AtGfK4DhQZEcQqGk1A by [email protected] |
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@mattblaze haha I came to this thread thinking "didn't they use mercur… |
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Post #AtGgz415BlalczTpx2 by [email protected] |
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@mattblaze @VE2UWY The subsurface is complicated, esp in places like NYC or Lon… |
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Post #AtH3As5hYF3P6lfyl6 by [email protected] |
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@mattblaze those rotary converters were pretty amazing. |
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Post #AtH3M8UIvdTP9CYU0u by [email protected] |
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@mattblaze @VE2UWY somehow Madrid managed to do far more for far less per mile.… |
