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All Gauge Model Railroading Page


O - 42 Layout on a Budget

Build one of several O-42 layouts piece by piece


The 42" diameter curved track and switches cost more than O27 or O-31, but if you have the room and want the wider arcs, you can do it on a budget.  You will be working more gradually, perhaps, but the end result will be a fine layout with plenty of action.  Here is the first part of what you can do on a budget,, by planning and patience.

We start with a simple oval on a 4' by 8', and have a reverse track with two switches

Adding a switch allows a siding.

Two more switches make a circle inside the oval.

Two switches more allow more sidings - this would make a nice engine yard.  You can add them one at a time.

Variation 1: In this variation, we extend the layout two foot to the right. Add another pair of switches to extend the oval, making a passing siding.

Variation 2: Here we merely extend layout two feet and extend the loop with it.

Variation 2 A: We can add this siding one switch at a time

Variation 2 B: We can add more from the top, again one switch at a time.

If you think this is as far as it goes, think again!  We have four more track plans, all of them extensions of Variation 2 B.  Just follow this link:

Click here to see the rest of the O-42 Variations

Click here to see the rest of the O-42 Variations


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