@ScoutingDad posted:Bob, had not thought about doing the revision the way you did. The 17 foot length should give you about a 4% grade. Manageable considering what you like to run. I had though about the lead running along the back and left. Of course the yard would be moved or extended. See the black line.
But I think you can get a few more feet with the yellow track up until it hits the turnout with your last drawing.
Thanks Jeff. I think I like the new plan. The left, top, right, are against walls so I prefer to have the loop accessible as much as possible. I'd probably build a subway platform around the curve an up the left side of the yard too. I'd also have to reconfigure the crossover switches between the inner and outer loops too which would blow up the whole plan.
Now I just need the space to build it. 
Bob
