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Trailing Unit not stopping

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Alan:
I do not think this is a problem for you but I state it so you are aware.

Maximum cable length for USB 2 is 16 ft. Even shorter for USB 3 at 9 ft max. Beyond those lengths you must use an active cable (1 port hub essentially).

In the past I have had USB devices that would not work properly on 16 ft cables but did work on shorter cables. A DVD burner I once had would not work on anything longer than 3 ft.

William Brillinger:
That's a good point Alan.  (sp err. fixed!!)

I have my CI-1 on a 6ft cord. I had problems programming with it at my desk until I moved it up above track level, now I can upload programs without issues from about 10 ft away.

I don't think the CI-1 radio is as strong as the one one in the HC-2.

MRL Trains:

--- Quote from: Alan on December 05, 2017, 06:56:22 AM ---I do not think this is a problem for you but I state it so you are aware.

Maximum cable length for USB 2 is 16 ft. Even shorter for USB 3 at 9 ft max. Beyond those lengths you must use an active cable (1 port hub essentially).

In the past I have had USB devices that would not work properly on 16 ft cables but did work on shorter cables. A DVD burner I once had would not work on anything longer than 3 ft.

--- End quote ---

I will try a shorter cable and see if makes a difference.
Thanks
Chris

MRL Trains:

--- Quote from: KPack on December 04, 2017, 10:41:46 PM ---Let's see a video.  Something sounds odd with this situation.  How long are you waiting before switching direction? It almost sounds like the rear loco is running down the rest of its momentum.  Usually the following locos will short their settings to run well with the leader.  I'd be interested to see if the behavior is same if you switch which loco is the leader.

DPU works very well on Railpro, I run DPUs all the time.  Let's see if we can figure out what the issue is.

Kevin

--- End quote ---

Kevin,  I agree. They run great as a DPU (except for the previously mentioned problem).   I ran a 32 car train around my entire layout with no problems.  Lots of curves on a 2% grade.  Constant checking showed the lead loco pulling about 2/3 of the cars and the rear loco pushing the rest.  On DCC I run the pusher on a separate throttle and continuously have to adjust the speed to prevent too much tension or too much pressure by the pusher.  With RP I can now consist on one throttle, then stand back and watch!  Set it and forget it.  Amazing!

The best part is watching it crest the summit.  This can be tricky with multiple DCC throttles.  To condense a long winded explanation:   As your long (uphill) train crests the summit, the bulk of the load shifts to the pusher (still going uphill) causing it to slow down while the lead loco starts speeding up because it's now going down hill and has much less load.  On DCC this requires good throttle coordination until the whole train is heading downhill.   RailPro  handles this beautifully.   I have noticed some "surging" on downhill trains. The longer the train, the more apparent it becomes.  I'll start a separate thread on this if needed. Sometimes it has to do with poor rolling cars, not the locos, so more testing is required on my part.

Best Regards
Chris

MRL Trains:

--- Quote from: William Brillinger on December 05, 2017, 08:36:28 AM ---I don't think the CI-1 radio is as strong as the one one in the HC-2.

--- End quote ---

Bill, I can confirm that.  Got this in an email from Tim Ring;

"An HC-2 can have a lot more range than a CI-1 and since it is portable it is normal for you to follow the train and keep the distance to the train relative short for good radio connection. So a real HC-2 can work a lot better than a CI-1 for running trains."

Chris

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