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Western Railroad Discussion > BNSF: Six unit mid train DPUDate: 09/28/23 14:39 BNSF: Six unit mid train DPU Author: Lackawanna484 Surprised to see this the other night on the Chehalis WA virtual railfan camera. I'm guessing that only a few of these units were powered, but that seems like a lot of weight in the middle of a train. Two locomotives upfront, six in the middle, one in the back
Does that affect train handling? Date: 09/28/23 15:14 Re: BNSF: Six unit mid train DPU Author: Pacific5th What kind of train? But yea 6 in the middle they would not all be online. I think 4 max.
Date: 09/29/23 05:32 Re: BNSF: Six unit mid train DPU Author: bmarti7 When I was still driving crews in the Dakota's I actually assisted with trains like that. They were two trains combined and the power wasn't shuffled (approximately 14,000 ft. in length). I once asked the conductor about train handling and she said no difference. However she did say it was a pain in the ______ to split into two trains, especially in bad weather or when there were no access roads near the split point or rear. The procedure I assisted in: went like this:
PCBill Date: 09/29/23 09:48 Re: BNSF: Six unit mid train DPU Author: Macster If it was a doubled loaded Roberts Bank, everything is online. The train would stall otherwise.
2x2 just barely gets over Napavine around 12-14mph in N8 and you don't have C4s in the consist. Adding rain to the mix is 8-13mph, depending if there is sand in all the motors. Posted from Android Date: 09/29/23 12:08 Re: BNSF: Six unit mid train DPU Author: MrMRL Just had to deal with a 15K "splitter" stack train in So Cal (Los Angeles). 4 units up front online, 8 more in the middle, 6 of which were isolated or DIC. Best part, they weren't supposed to go past Barstow, guess somebody didn't get the memo...
~ Mr. MRL Date: 09/29/23 14:01 Re: BNSF: Six unit mid train DPU Author: Macster MrMRL Wrote:
------------------------------------------------------- > Just had to deal with a 15K "splitter" stack train > in So Cal (Los Angeles). 4 units up front online, > 8 more in the middle, 6 of which were isolated or > DIC. Best part, they weren't supposed to go past > Barstow, guess somebody didn't get the memo... > > > ~ Mr. MRL HA! I've had that happen departing out of Pasco a few times... Wasn't on our paperwork and didn't call us about it until after we were by Wishram. |