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Eastern Railroad Discussion > mid-train helpersDate: 04/21/24 10:05 mid-train helpers Author: GAPRoute Mid-train helpers are fairly common but sometimes the helpers are on the very rear of the train. Who makes the decision as to where they are placed? What factors influence their decision?
Date: 04/21/24 16:08 Re: mid-train helpers Author: timz Some years ago, UP DPUs had to be
within 8500 ft of the head end. Date: 04/21/24 16:24 Re: mid-train helpers Author: HotWater GAPRoute Wrote:
------------------------------------------------------- > Mid-train helpers are fairly common but sometimes > the helpers are on the very rear of the train. Who > makes the decision as to where they are placed? > What factors influence their decision? Mostly depends on the terrain and how long the train is. Date: 04/21/24 16:41 Re: mid-train helpers Author: WM_1109 GAPRoute Wrote:
> Mid-train helpers are fairly common but sometimes the helpers are on the very rear of the train. Who > makes the decision as to where they are placed? What factors influence their decision? Huh? Mid-train helpers are anythng but common these days. What railroad and what time frame are you talking about? /Ted Date: 04/21/24 17:01 Re: mid-train helpers Author: OHRY There are guidelines for DP placement. The current guidelines for one eastern class one is between 50-75% of train length not exceeding 8500 from head end. If mid-train, there is not to be more than 75% of the DP consist's rated tonnage behind it.
Posted from Android Date: 04/21/24 17:06 Re: mid-train helpers Author: stormhighway1 I see them daily on the NS line between Centralia and St. Louis. I don't watch every train go by and couldn't say what percentage has them, but they are common here, at least.
Date: 04/21/24 17:56 Re: mid-train helpers Author: callum_out "Helpers" are generally defined in the railfan community as being manned, remotes are just that, remote controlled
and unmanned. Even in the few areas with manned helpers it would chicken's teeth rare to see a manned set mid- train. Out Date: 04/21/24 21:04 Re: mid-train helpers Author: DJ-12 callum_out Wrote:
------------------------------------------------------- > "Helpers" are generally defined in the railfan > community as being manned, remotes are just that, > remote controlled > and unmanned. Even in the few areas with manned > helpers it would chicken's teeth rare to see a > manned set mid- > train. > > Out Its a daily occurrence on the former MRL west of Helena over Mullan Pass but thats the only location that comes immediately to mind. Posted from iPhone Date: 04/24/24 13:30 Re: mid-train helpers Author: PRR1361 DPU's every day on NS over Rockville Bridge, both directions.
Date: 04/24/24 19:22 Re: mid-train helpers Author: WM_1109 PRR1361 Wrote:
> DPU's every day on NS over Rockville Bridge, both directions. WHOA! Stop the presses! /Ted |