PC Clinchfield Session Mcclure Shifter Part 1 -- Help, Please

Discussion in 'Technical Reports' started by LastTrainToClarksville, Apr 28, 2021.

  1. LastTrainToClarksville

    LastTrainToClarksville Well-Known Member

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    As the McClure Shifter Part 1 (F7 version) session begins, the F7 you're driving hasn't been set up yet and is sitting on a 1.2% downgrade. Of course, it's speed is increasing rapidly and the brakes do not work yet. What's an engineer to do???

    Furthermore, does it make sense that any engine would be left sitting on a 1.2% grade without any brakes being set?

    I'd appreciate constructive advice, especially from someone who has gotten this engine stopped so that it can be set up properly.
     
  2. solicitr

    solicitr Well-Known Member

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    In the F7, you should have loco brake control at all times, so just slam on the ] key
    The SD40 is more problematical, because at start you have no functioning brake controls. Until it's fixed:
    • Immediately turn on the cab light (with the L key; you don't have time to grope for the switch)
    • Set the MU2 valve (you can't find it in the dark, hence the cab light)
    • Pull the loco brake to full application
    That should stop the train, especially if you do so it before it's gained much speed. Then you can set up normally.
     
  3. davebadger#4587

    davebadger#4587 Member

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    Good evening. I reported this for the xbox. Have received a reply from dtg which should help (have cut and pasted it below). I haven't had a chance to try it yet, hope it helps.

    1. Immediately move the Independent Brake to Full Service
    2. Set the MU2A Valve to Lead or Dead (This will hold the train)
    3. Move the Automatic brake to the Emergency position.
    4. Set the Cut-Off Valve to Freight
    5. Move the Automatic Brake to Release
    6. Set the following controls to the On position:
      • Engine Run
      • Generator Field
      • Control & Fuel Pump
    7. Insert the Reverser
    8. Move the Reverser to Forward
    9. Move the Selector Level to 1
    10. Apply 1 notch of throttle
    11. Move the Independent Brake to the Bail Off position.
     
  4. solicitr

    solicitr Well-Known Member

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    I disagree. This will force a PCS reset the moment you cut the valve in.

    In this service, the loco brake will hold you, provided you don't dilly-dally and allow the train really to get moving. (And, again, you can't see either valve to operate it without the light on).
     
  5. davebadger#4587

    davebadger#4587 Member

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    Having just tried it, I agree. Doing it that way does trip the PCS. Getting the loco Brake on and the mu2 valve to Lead or Dead works.
     
  6. LastTrainToClarksville

    LastTrainToClarksville Well-Known Member

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    What DTG suggested to Dave Badger is pretty much what I did on my third attempt to start this session and, as Dave notes, it did "trip the PCS" -- whatever that is. On my fourth attempt, I finally got it right -- as Dave notes in his second message. Phew!

    These Clinchfield activities are certainly the most challenging and therefore the most rewarding once solved that DTG has ever provided. And what's more, there are more of them than I've ever seen included in a TSW2 DLC. Thanks, developers!!!!!
     
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  7. TheShotte

    TheShotte Well-Known Member

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    I second this. To be honest, there are much worse gradients on this route. This one isn't too bad. If you act fairly quickly before your train has a chance to roll, you'll be okay. In SD40 it takes like 3 seconds to get the brakes on, in F7 its even quicker.
     
  8. solicitr

    solicitr Well-Known Member

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    A couple of other reasons not to use the train brake here:

    • You want the train stretched out before starting anyway: 50-some cars means 50-odd couplers and that's a lot of slack to take up.
    • It takes a long time for the train brakes to fully release all the way to the back, which means more waiting around before you can get moving. In fact, what will happen if you set the train brake and leave the loco brake off, or release them at the same time, is that the train will bunch up against the still-braked rear cars.
     
    Last edited: Apr 29, 2021
  9. TheShotte

    TheShotte Well-Known Member

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    Well, you are not really supposed to use Train Brake on hilled starts period. Say your train brake is applied, you need to apply max independent brake, release train brake, and your train should still remain in place (although it will stretch out). At which point, you apply throttle to max 800amps, and release the independent. Tried and true method that I always use and it has not failed me.
     
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  10. solicitr

    solicitr Well-Known Member

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