February 17, 2019 02:11PM
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Registered: 9 years ago
Posts: 321
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I don't know if I could give you the broad correct definition, but at least in terms of D&RGW NG:
They had a 1" pipe coming off of the turret with a special valve (though I think most of them are ball valves anymore) that feeds saturated steam into the branch pipes ahead of the valves.
It was designed to be a limited supply of steam for braking (while drifting downhill), but also works well for switching moves - 1" diameter pipe feeding saturated 200 PSI steam vs. 10" (if memory serves, I'm sure someone who still messes with these things can correct me) dry pipe that then superheats the steam makes a huge difference in precision.
Mark Huber
Hyce on YouTube
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Carl T. Henderson |
February 13, 2019 07:10PM |
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Samart |
February 14, 2019 07:17AM |
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alcofan |
February 14, 2019 10:28AM |
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Sharrod |
February 14, 2019 12:02PM |
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Chris Walker |
February 14, 2019 12:25PM |
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cdaspit |
February 14, 2019 12:56PM |
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John Bush |
February 14, 2019 02:48PM |
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guymonmd |
February 14, 2019 04:03PM |
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cdaspit |
February 14, 2019 04:12PM |
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Jimr260 |
February 14, 2019 04:50PM |
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Samart |
February 14, 2019 06:19PM |
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Randy |
February 14, 2019 06:48PM |
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pd3463 |
February 14, 2019 06:48PM |
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Brett Wiebold |
February 14, 2019 07:10PM |
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Mark Huber |
February 15, 2019 03:30AM |
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MD Ramsey |
February 15, 2019 09:06AM |
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SebJ |
February 15, 2019 01:57AM |
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Samart |
February 15, 2019 07:41AM |
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Stephen G |
February 15, 2019 08:31AM |
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Brett Wiebold |
February 15, 2019 01:29PM |
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rehunn |
February 15, 2019 03:41PM |
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SR_Krause |
February 15, 2019 03:54PM |
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John K |
February 15, 2019 04:39PM |
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Randy |
February 15, 2019 04:52PM |
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John Bush |
February 15, 2019 04:56PM |
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Sharrod |
February 16, 2019 06:09AM |
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Mark Huber |
February 16, 2019 08:52AM |
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Earl |
February 16, 2019 09:39AM |
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Sharrod |
February 17, 2019 07:34AM |
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Mark Huber |
February 17, 2019 02:11PM |
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John Bush |
February 15, 2019 04:54PM |
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rehunn |
February 15, 2019 05:17PM |
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John K |
February 15, 2019 06:14PM |
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hank |
February 16, 2019 08:49AM |
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Mark Huber |
February 16, 2019 04:32AM |
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GeorgeGaskill |
February 21, 2019 10:17PM |
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Earl |
February 15, 2019 08:09PM |
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Russo Loco |
February 15, 2019 09:54PM |
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John K |
February 16, 2019 09:51AM |
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Earl |
February 16, 2019 10:09AM |
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Sharrod |
February 17, 2019 07:34AM |
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John K |
February 17, 2019 11:24AM |
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cdaspit |
February 17, 2019 01:16PM |
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Stephen G |
February 17, 2019 03:33PM |
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Kelly Anderson |
February 18, 2019 07:55AM |
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kcsivils |
February 18, 2019 08:18AM |
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Everett Lueck |
February 17, 2019 08:51AM |
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Greg Scholl |
February 17, 2019 09:22AM |
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Russo Loco |
February 17, 2019 01:24PM |
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Earl |
February 17, 2019 09:11PM |
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Everett Lueck |
February 17, 2019 10:14PM |
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michael |
February 20, 2019 08:10PM |