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Reply to "Benchwork - Laying Track"

@Mark Boyce posted:

John, You would want to turn both the locomotive and tender coupled together.  It would could be a real pain to unhook some tenders from their locomotives, and I have never heard of it done before on the prototype or models.  I think the same would hold for any AB units for similar reasons.  I don't have an AB set out to see how long they are.  Less tracks off the turntable would be good to eliminate the curved ones.  The 4-way switch for the yard saves space, but then you would need a runaround track on each side of the yard.  I have 4% grades on my layout, and they are working alright on my short trains.  I'm sure you would like to run longer trains than I can.  I setup a temporary track and tried it at different grades with each of my engines pulling cars to see what would work.  Remember that it takes a little more pulling power on grades than straightaways.

Hi Mark,

Loco & tender for post war Berkshire 736 is about 21" so no worries there for now. Illinois Central Diesel AB unit is about 28" And I can imagine the NYC K-Line would be slightly longer, about 33" for A/B units. And I now see that the 4-way switch is an issue with runaround tracks. Glad to hear your 4% grades are ok I was shooting for 3.5% max grade and will do the experiment you did with actual trains pulling a consist up that grade and around curves. Great Advise Mark, Thanks!

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