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I think what Noel53 is looking for is more related to custom layout building than the operation of postwar Gilbert. Although I don't know of any modern publication that deals specifically with "S", the methods used by "O" gauge layout builder's should be similar in regards to the methods available to deliver power to the tracks on a large layout. Anyone have a suggestion?

For most applications wiring for any 2 rail system is very simular to 3 rail with the major exception of reverse loops and some switch combinations. Some times the major problem is reconizing a reverse loop when you have one. Any track plan that will allow you to run a train past the same point in opposite directions without physically removing the engine from the track and turning it around is a reverse loop. This includes why's as well as turntables in addition to the common loops. The easiest thing is to avoide them if possible. If not almost any book on HO wiring will give you the basics. American flyer made many devices that were intended to help with the problem Some better than others. By the way it makes no difference whether you run AC or DC the problem is the same.

 

Al

It is actually a little easier to do reverse loops with AC. I have two reverse loops on my layout and they are a breeze with the relay from Atlas.
Ray
 
Originally Posted by HOSO&NZ:

For most applications wiring for any 2 rail system is very simular to 3 rail with the major exception of reverse loops and some switch combinations. Some times the major problem is reconizing a reverse loop when you have one. Any track plan that will allow you to run a train past the same point in opposite directions without physically removing the engine from the track and turning it around is a reverse loop. This includes why's as well as turntables in addition to the common loops. The easiest thing is to avoide them if possible. If not almost any book on HO wiring will give you the basics. American flyer made many devices that were intended to help with the problem Some better than others. By the way it makes no difference whether you run AC or DC the problem is the same.

 

Al

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OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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