I am using a AR1 between my ATLAS TT rotating table rail and the spokes of which two are main line entry/exit points. I'm having trouble when a Loco straddles the table and spoke. Locos can only move

hi, i would like to install a dcc sound decoder in a older yellow/blue box rivarossi challenger. you know the one with the motor at the back of the cab. i am not sure what decoder to use & how to isol

Hi, I'm wondering if anyone here is using Voltscooter DCC fuses and can share any experiences they have using them? Thanks, Colin

Hi, Anyone here using Digitrax PM74 and can share any experiences they have using it/them? Thanks, Colin

I want some 5v DPDT relay modules to use to control a motor on my layout. They would have their own 5Vcc.How would I get a Logic Low for the relay input trigger generated using JMRI https://www.ebay.c

The following files and folders have been uploaded to the Files area of the w4dccqa@groups.io group. /TT RELAY CONTROL.docx By: Lawrence Varady <mrmrsv5049@...> Description: TT RELAY CONTROL schematic

Hi Have Booster A and Booster B which meet at a double gap. Boosters have common wire attached; Railsync is connected via RJ12 6-wire. Checking booster to booster, 15VAC rail A-B on each unit; 0.1 VAC

William Waithe <wwsd40@...> added folder /CN Weston sub reversing section

William Waithe <wwsd40@...> added the album CN Weston Sub reversing section : reversing section connected to Digitrax AR1 reverser.

Hi I plan to install a CDU for one of my Atlas N scale Snap Switches. It will be powered by 12 VDC and will have a 2200 microFarad capacitor. What size wire should I use from the CDU to the Snap Switc

I'm new to the forum and might have posted this before! I am adding a 2' X 8' extension to a small, 4' X 6'4" double oval layout and would like to provide a Wye, of sorts, to allow locomotive turnarou

Hi. I'm new to model railroading and trying to figure things out as I go. I created a track plan that I think will work for me as my first layout. Most of my questions on wiring and operational contro

I am building a relatively simple O scale layout where I have a reversing loop within a circular mainline. It currently reverses trains in one direction using a PSX-AR in the reversing section. Ideall

Hello, I am fairly new to modelling but would like help on this matter please. I have an ECOS ESU 2 command station with its own power supply providing power to my ECOS, which is connected via the Mai

Some time ago I built a simple dc buss to light up some home made accessories. I’m now attempting to add a lot of drops in order to power signal lights via Tortoise switch machines in order to show tu

I'm building my long HO shelf layout with plans for signalling with about 20 blocks using NCE 5A Power Pro, BD20's for current detection, AIU's and JMRI. In the first few districts built, detection of

The following files and folders have been uploaded to the Files area of the w4dccqa@groups.io group. /Resistor_wheel_sets1.pdf By: Joseph Melhorn <toyman@...> Description: How I make Resistor Wheelset

Last time I built a model RR was pre DCC , wow have things changed ! I bought a used Kato SD70mac and tested it out on an analog track we had set up for Christmas, seemed to run fine. Now as I built m

Hi, So I've already done some research and I'm not "getting it". Here's what I want to do: I have a staging loop that I want to run clockwise - ONLY. I built it with a spring switch (Peco Code 83 modi

How many feeders do I actually need for this layout, using atlas 83 snap track ?