Complicated reversing loop?
Please see attached sketch. I want to set up this reversing loop on the 'B' Line so I can reverse a train from either leg or just do a straight-through loop. I think I can do this by placing insulators where indicated at the double-crossover. Any problems so far?
Now my question is about how to connect the 'A' Line so I can switch it over to the B Line and back again through a double-crossover. Should I;
1. power the entire 'A' Line from the reversing loop and just let the whole thing get switched by the auto-reverser?
2. add insulators at the double-crossover between the A Line and the reversing loop, and power the A Line separately?
My first thought was option 2. but there's not room for a train-length between the two double-crossovers so the auto-reverser might be doing a lot of switching at each axle as the train passes between the two lines. Is this OK? Would it be better if I make a wide rail gap at the double-crossover from the A Line so the rolling stock wheels won't make a short? Any disadvantage to doing this?
In case it matters, I'm running HO scale, DCC, modern diesels, all metal wheels, (future) lighted passenger cars. I appreciate any suggestions.
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