A photo and a diagram 180 degrees out of phase is the quickest way to lose me. So I will avoid saying anything that might be wrong about the wye.
When we discuss layouts, the layout gurus caution agains S curves. You have S curves on the limb of your Wye parallel to the edge of the layout
II have an S curve, but it is not a problem, but I model a branch line with short cars. I do not know if this will be an issue for you or not. Also, the AR1 does not play nice with the PSX circuit breakers.
Hasn’t cause a problem yet, when I hooked up some wires just to test it all out. But only time will tell. Did you have a suggestion as to how to fix it? Or just leave it alone?
Thanks!
I do not. Cuyama is one of the layout gurus, but I’ve never seen him post in an electrical thread. You might start a separate thread and ask for others experiences.
I am envious of the space you have to work with.
For the wye, you could use the right side for the extended reversing section, but it gets more complicated because the tail of the wye would now be reverse polarity where it connects to the next section of track. That wouldn’t be so much of a problem to gap beyond the tail of the wye but for that crossover. So, preferably you would want to use the left side of the wye to extend the reversing section.
Rich
Henry, how about this?
Better
Apologies to Andrew, but if I don’t express my ignorance, I won’t know any better.
I don’t have a handle on the track plan, but what if it’s all mainline? In other words, there is no dead end spur. Doesn’t wiring 2 portions of the mainllne differently create a reversing problem beyond the area we can see in the photos?
Track plan 1
Track plan 2
As long as the reversing sections are fully gapped and therefore isolated, there shouldn’t be a problem. However, somewhere down the mainline (outside of the photos we are seeing), the OP may run into another reverse polarity situation, and that situation would need to be dealt with. It would really help to see photos or diagrams for the entire layout. Is the overall layout a “dogbone”? In other words, is there a loop at the other end?
Rich
Track Plan 3
Any help on the loops now that I added better photos? Thanks for all your help on the WYE
Check my first post this morning. Was that not helpful?
Rich
Yes, sorry must have overlooked it, a little tired from all the traveling. [:)]
Thank you for all your help!
Gaps for DCC are no different than gaps for DC. The difference is that a piece of electronics is swithing polarity.
One thing to remember is that the reverse section (loop or wye) needs to be longer than the longest train. Otherwise, you end up with a train that will reverse the phase as it exits the reverse block while the other end is still entering.
On the wiringfordcc website, a number of the diagrams for wyes show the reverse section on one side of a wye. That only works if the train is shorter than the leg of the wye, not very common. A better arangement is to reverse one tail of the wye. Both wiringfordcc and dccwiki imply that the tail of the wye can’t reconnect to the rest of the layout; as long as the tail is long enogh to hold a whole train, the tail will reverse as the train exits the wye.
In the worst case, at least one model of AR (PSX-AR) lets you connect 2 AR blocks together without an intermediate non-reversed block. You just have to adjust the timing so one takes longer to reverse.
Dave Squire
Thanks Dave, appreciate your feedback. Have not wired it yet still laying the final tracks but wiring will start soon.