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The table layout allows for 60" width.  O54/O45 worked a double loop.  Each faint black line mark is 12".   A small bedroom and closet bottom of picture.

Track%20Layout[1]

Camera walk-around.  Click on the underlined phrase.  There has been two additions.  One was a turntable.  The second was a remote section coal tipple, accessed with an Atlas double track Pratt truss bridge.

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Last edited by Mike CT

Now that I'm retired and in a new place, I've been furiously designing [again] for a 10x20+ third garage bay. The minimum radius is 42" (O-84) but I'm tinkering around with the idea of going to 48" radius (O-96). The largest locomotive I have with scale wheels is an MTH Big Boy 4014 and it can make it around 36" radius (O-72) but doesn't look right. And, yes, it has a street run.

Garage_Bay_Concept

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Last edited by AGHRMatt

long ago I decided on 072 so I could run a 700E I was restoring at the time.

The 072 worked out well and the gradual look of curves was appealing.

I still managed to make 2 mistakes that did not reveal themselves until many years later:

1) As I had a 2 track mainline, some curves were too close together

2) some scenery was too close to the curves.

These things did not emerge until I bought a Lionel   B&O 2-8-8-4.   The engine ran extremely well on the track but there were a half dozen or more issues due to points 1) and 2).  I eventually sold it.    In 1990 when I built the layout I could not envision owning such an engine.  Way too much overhang in front!

John

The largest diameter on my floor layout is 0-81. The majority is O72.

The 81 is not really 81" center rail  to center rail, and the O72 isn't either. Found this out by things 'just not working' using an AutoCad knockoff to design the layout, and things just not coming up right. At some point I made a ring of both, measured center to center, then another 90°, then used the average for my drawings. I had to adjust the ring several times to get it as close to a circle as I could with the tape measure. Tubular track is just, will, yeah, close enough.

Further to Michael T's post, tinplate track sizes differ from one manufacturer to the next.

For those using O27 height wider radius track, even small differences can have one scratching their head when things just don't seem to line up. So you don't go nuts:

When using O54's, please note that the K-line version is 1/4 inch longer than Lionel's.

When using O42's , please note that the K-line version is 1/2 inch longer than Lionel's.  Also K-line's O42 track has 5 ties, Lionel's  have 3.

As much as I love the look of a larger engine running on a big curve , it just takes up too much room. I understand engines require a min curve and thanks ok  but SIZE MATTERS . I am happy for the guys and gals that can support 060 and larger. Almost all of what I have down is 048 and that covers a vast majority of my stuff.

A vision line engine that could be used on 036 would be wildly popular in my opinion.
That’s my two cents worth

14 X 22 foot around the walls with at least 60 inch radius curves. I run larger locomotives and long scale passenger cars. It's just a large two track oval.

I like making up trains and enjoy watching them going around ! After some loops,

the trains stop at the depot and the engines go off to be serviced, the train is broken down and a new one is

made up to return to Chicago.

This would probably be boring to some operators. There are three small industries for freight service and a ice platform where refrigerated  cars are serviced to go with the passenger trains.

I%20H%200

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Last edited by Ron H

Hi Don McErlean, Yes, you are not alone!  I’m perfectly content with my 3’ X 9’ layout.   When finished, I’ll be able to run three trains on three independent loops (one elevated). I’m currently building a mountain on the left side of the bench work. I’m learning as I’m going and having a blast. Maybe it’s our common work history.  I spent 45+ years as an Engineer in the Aerospace and Defense industry including many years supporting NASA programs.

John

CA John  HEY its great to meet you and to know there is another "small radius" engineer out there in "train land"!   Its possible we might even have bumped into each other some time as the industry is not as big as some think.  I worked for Air Force Systems Command, Naval Air Systems Command, NASA (HQ) and L-3 over my career primarily in propulsion, structures, mechanical design, certification, safety and airworthiness.

I like the idea of an elevated line...I thought of that but thought it would be too heavy looking.  When you get a chance maybe post some pictures.  I thought perhaps an On3 line using modified HO street cars and HO track as sort of an interurban might work.  Like all layouts mine is not finished...

Best Regards

Don

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330-757-3020

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