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Set up questions

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Tom Tee:
Thank you for the input.

This RR uses MTO #09 14.8 volt batteries in all my R/C locomotives.   Based on what you said that may possibly be the reason??

When the train topped the grade at speed and entered the station area supposedly on the express track, with a turnouts points set wrong, in panic I hit the red STOP.   

Total elapsed time one second or less.  Not a time for contemplation weighing the various actions which i could have selected.

So...with battery power only what should I have done to perform a sudden death emergency stop?

What is "Set all speeds to zero"?

I appreciate the replies, RP is all new to me and I need to understand it's nuances.

G8B4Life:
So, probably the easiest way to explain it is "Set all speeds to zero" is akin to you using the big round knob on your HC to set the speed to zero on every LM loaded into the HC and doing so for all of them in a split second. This let's the trains(s) slow down instead of an abrupt stop.

"Power off Stop" is akin to you walking over and pulling the track power plug from the wall. If your models were track powered with Rings PWR-75 or PWR-56 power supplies this would command them to turn off track power (basically pulling the plug wirelessly). This would bring the trains to an abrupt stop.

As your models are battery powered and not track powered using Rings power supplies, as you have found out, "Power off Stop" does nothing as you don't have anything that that command from the HC can turn off.

There isn't really anything RP-wise that you can do to perform a sudden death emergency stop when using battery power. Perhaps this is something Ring could program into LM's, a user set flag that denotes the LM is battery powered and if Power off Stop is pressed the LM can check the flag and kill power to the motor if it's battery powered.

- Tim

Tom Tee:
Tim,

Thank you for your concise answer.  RP stopping action is very prototypical.  There are 115 turnouts involved and being a solo operator I just need to step up my game.   This incident with it's attending minor damage was a wake up call.

Second set up question if I may:
Is there something I can do to align the chuff sound rate to track actual steam locomotive side rod action?
Being on the verge of reinstalling my RP into a prime mover so I am holding out hope it can be made to track better in it's present host, a C&O 2-6-6-6 H8 Allegheny. 
The chuff frequently has a delayed start,  it runs at a much different rate than the driving rods and runs on at a mainline speed when slowing down to stop.
This RP installation was performed by a RP professional who has been doing RP work for years in various scales.
Thank you.

G8B4Life:
I don't know much about the chuff feature as I don't do steam so I'll have to bow out to anyone who does (might take a while for someone to reply, we're not ultra fast around here sometimes.) however the G series modules, at least the LM-4S-G, you can use the input wire as a chuff trigger. There is some info in the manual for the LM about it.

- Tim

JRad:
Yep. Don't know if the chuff input (purple) is active in any other than the G modules.

Even in the modules with the active input, the timing is far from perfect. Start up is pretty good, but deceleration and stop can be very off, similar to the voltage based chuff.

For voltage chuff there are a few tweaks. In the loco setup screens there is a Chuff Rate setting, but it isn't always very effective either. In an attempt to improve the sync, Doug (MtRR75) wrote a document on setting up the speed table. This is a lot of work, but does help a little.  I don't have a link to where that that document was posted on RPUG, so I'll attach a copy here.

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