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Considering the outside two loop route (no reverse-loops, not across the bridge):  total length of this route is somewhere in the vicinity of 60' - which is enough for two 10' trains to follow each other with 20' of separation.

With a train on the elevated O45 loop, and another on the main-level route past the yard and running one leg of the wye in the tunnel, that is FOUR trains can run easily without (much) operator intervention!  This layout design certainly evolved far beyond Robert Sherman's vision in 1947, or my imaginings in first tackling a redesign in 2018.  Its been fun and satisfying.   And yes, I would like to build it, but its just beyond my capabilities this year.

Love to see the evolution of this plan Ken. One other operating option that could be nice is to let a train run from the top reverse loop up the hill to the 045 loop and back down. It would require adding a switch from the ground level loop to get back to the outer track to the top again.
I think the small industrial sidings may need to be sacrificed or at least modified to fit the extra switch to make the reverse work but it could be an interesting option.
A 12 X 12 plan that can handle 4 trains at once is a lot of action for the size of the layout.

Bob

@RSJB18 posted:

Love to see the evolution of this plan Ken. One other operating option that could be nice is to let a train run from the top reverse loop up the hill to the 045 loop and back down. It would require adding a switch from the ground level loop to get back to the outer track to the top again.
I think the small industrial sidings may need to be sacrificed or at least modified to fit the extra switch to make the reverse work but it could be an interesting option.
A 12 X 12 plan that can handle 4 trains at once is a lot of action for the size of the layout.

Bob

Good idea!  That route was "lost" with the addition that made the double-track to the bridge.

Here is a roughed-in try  for this idea:

M1212A-Ideal_V7g_O54

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Last edited by Ken-Oscale
@Trainmstr posted:

Have you put any more thought into moving the doorway into the upper left corner and increasing the radii in the upper right? I acknowledge it would reduce the isleway but would better fit an existing bedroom.

Trainmstr:  I assume you are referring to the FasTrack version?  The recent Atlas versions are all O54, on the main level, so no need to increase diameter.

The most recent FasTrack versions have a turnout located in the area (upper left corner), so I would have to look at earlier versions.  Looking over earlier versions, it looks like you would have to accept custom made curved bridges.  I might have to work on relocated one turnout. 

Rather than do any work blind, can you give me the measurements of where the door is from the upper left corner, and the width of the door?  I hope it swings-out, an door swinging-in would be a big problem.   Perhaps the door can be replaced with a sliding or folding door.  Can you comment please?

For the aisle with the current bridge (which would get narrower), I would probably fill-in the area with a wide river, maybe 4" below grade.

Last edited by Ken-Oscale
@Trainmstr posted:

It would be a 30” door on the left wall that swings into the room parallel to the top of the layout as it presently exists. Doesn’t have to be fast rack, Gargreaves & Ross is fine

Something along these lines then?  If not FasTrack, then this is the Atlas-O, replace with any other track system allowing O54 if you prefer.

Trainmstr_M1212A-Ideal_V7g_O54

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Last edited by Ken-Oscale

I have been wondering for a few days, about the reliability of the Atlas-O curved turnout (O72&O54).  The above version shows one in use connecting to an O72 'Y'.   There have been suggestions that the Atlas-O double-slip switch turnout is not reliable, but I am not sure what I have heard about the curved turnout.   I could replace the curved turnout and 'Y' with two O54 turnouts, for a less "elegant" solution.

Does anyone have experience with an Atlas-O curved turnout (recent manufacture, perhaps within last 5 years)??  Thanks for any information!!

So I was running trains, and trying some switching on my little 4x10 layout, which emphasized what I already knew:  its pretty darn hard to couple on a curve!   I took a look to see if I could increase the diameter of the yard tracks.  With a couple of adjustments, I was able to go to O108, O99, O90, O81.   I think I may order some of these wide diameter tracks to see if coupling can be acheived, and under what circumstances.

M1212A-Ideal_V8c_O54

About 73.5" on the longest yard spur.  The three in-most yard tracks all have straight sections of track before the curve, which will help with coupling a cut of cars on the straight, which may then extend across the curves to the end of the spur, and the coupling can be achieved on the straight sections.

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Last edited by Ken-Oscale

More work in the yard:  I was able to add a small engine house (custom built, 18"long outside dimension) on a new spur.  And the longest yard track is now 75"+.   The center rail spacing in the yard is 4", which should be OK with the wider curves - not much overhang with O54-limited equipment at these yard diameters: O81, O90, O99, O108.

M1212A-Ideal_V8d_O54

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Last edited by Ken-Oscale

Comparing the evolution of this layout plan.  I find it useful to look at how track plans have evolved, positive and negative:

Robert Sherman's 1947 design in 12x12.  This original design is open with lots of space for scenery.  I don't think that it uses the space well.  Even so, it IS an attractive and engaging design.  Access is a problem, requiring crawling on the layout for maintenance and derailments, meaning the scenery has to be rugged and removable, OR some type of over-layout scaffold used.  With the passing track, it can be a two-train layout.  O27 or O31 minimum.

1947_Ideal_Lionel_Layout_1

My FasTrack design for Run 306 of OGR:  The trains are SCALE equipment, not compressed trains for O36, so the layout will seem bigger when running compressed equipment.  This layout can reasonably support three trains.  O42 everywhere (O48 & O42compound).

M1212-Ideal_O42_V4e_image2

The most recent O60/O48 FasTrack version:  better than above, but with narrow access pinch-point.

M1212-Ideal_V7b_O60

The current Atlas-O version:  it is pretty dense with track, though there are good scenery elements and interest.  It can support four trains: one each on the elevated and inside loops, and two trains following each other around the main line (either the outer oval across the bridge, or the looping route (without using the reverse connections).  O56 on the main surface, O45 on the elevated loop.

M1212A-Ideal_V8e_O54

Perhaps if the upper loop were deleted the plan would become more open and emphasize scenery a bit more.

 

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Last edited by Ken-Oscale

Ken,

I always love watching how your layouts evolve. They are great and have given me so many ideas. 

By nature I am more more of a minimalist though I realize that the size of O scale often makes it difficult to have a lot of action, without dense track work. So I think it would be interesting to see what this plan would look like without the upper loop. It would free up space to move the mainline to the left a few inches and add some possibilities to the yard area. Maybe space for an engine service area - a couple tracks.
These are just thoughts I had.

Keep up the great work!

@Ken-Oscale posted:

Carl, here is a look at the space without the elevated loop.  What to do with the open space?

M1212A-Ideal_V8f_O54

Wow Ken, thanks.  And this changes things a lot.  Without that upper loop, it does open the space.  My thoughts - and you don’t need to redraw these ideas as they are just ideas - are that a small engine service area could be added with a 1 or 2 stall engine house.  This would move the engine house from where it is and open that track as another yard track.  Also, a small town could be placed more toward the wye on the left.  

This does change the operating possibilities change from pervious plans.  At the same time, for those who like to run trains more then switch, this opens a lot up.  Rolling hills and cuts would replace the tunnels that previously existed.  If this was the Midwest, a relatively flat terrain would be normal.  For access, a panel could be placed in the center, maybe under part of a town.

Again, just thoughts.

Keep up the great work.  Your plans provide so many ideas for people in this forum I am sure.

Just wondering for now:  would it be worthwhile to convert the upper level loop and long grade to reach it, to MTH Scaletrax?  With the lighter rail and wider tie spacing, the Scaletrax might look like a branchline, built to a lower standard than the heavy Atlas-O track?

Scaletrax does not have O45 or O42 turnouts, I would have to use O54 turnouts, and then flex to complete the loop at perhaps O44.  Confirmed this would fit in the current footprint for the upper loop.

Here it is with Scaletrax for the upper loop and long incline.

M1212A-SC_Ideal_V8e_O54

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Last edited by Ken-Oscale

The above doesn't look much different with Scaletrax vs the Atlas-O for the elevated.

Here is a pic borrowed from superotrackdon on this interesting thread, that compares five track systems, and conveniently has Scaletrax and Atlas-O next to each other.

trackcomparison

I think that the difference between the two is readily apparent, and makes a convincing case for heavy mainline (Atlas-O) vs light branchline trackage (Scaletrax).

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Last edited by Ken-Oscale
@James in VA posted:

@Ken-Oscale: I just found this thread but I'll watch with interest as I have a 12'9"x12'6" bedroom (corner entry) that I someday hope to make a layout in. I'm wondering how much "action" could be added if the lift-out bridge had double track. Had you considered that?

BTW, I'm now following your posts. You seem to be a Guru when it comes to layout plans!

Hi James.   Because the upper loop is single-track, I am not seeing much that can be enhanced by making the lift-out bridge double-track.

I could double-track the upper-loop with O45 (affecting the industry tracks and etc.).   That might add something.  -Ken

@Ken-Oscale posted:

Hi James.   Because the upper loop is single-track, I am not seeing much that can be enhanced by making the lift-out bridge double-track.

I could double-track the upper-loop with O45 (affecting the industry tracks and etc.).   That might add something.  -Ken

Ken, many thanks for your reply! Perhaps a double-track lift-out bridge would be a square peg in a round hole considering the level of design maturity in your layout. As a starting point of a new layout design, how much flexibility (more action) do you believe is added if your access is double tracked? Even more complicated is the fact that I have a corner entry to work with. That seems to necessitate the lift-out bridge being at a 45 degree angle with the adjacent walls.

Last edited by James in VA
@Ken-Oscale posted:

Carl, here is a look at the space without the elevated loop.  What to do with the open space?

First Ken as usual, great job!  I love this plan!

Question: were the 3D views with the cloudy blue sky background generated with AnyRail?  If not, what software?  Very nice!

My suggestion is this... add back a couple of the lost industries inside the open space.  Freight station, seed & feed, etc.

Now... instead of a 3% climb to an upper level, why not go down 3% to hidden staging!?  I'm exploring this option on my own layout design.  If you hide the descending ramp track behind some scenery and put a reversing loop on the staging level like you did on the upper level of the original design, you no longer have to "fake" a connecting line.  Trains will disappear "off stage" and new ones will magically appear in their place.  New locos to be serviced, new freight loads for local industry, etc.

I'm not sure whether I'll incorporate hidden staging on my own layout because of the difficulties with building it, and a few concerns about steepness of the grade.  But for both hands-on operating and train watching for visitors, the ability for trains to appear and disappear without physically lifting them off and putting them in a box, is huge.  Please think about it!

Last edited by Ted S
@Ted S posted:

First Ken as usual, great job!  I love this plan!

Question: were the 3D views with the cloudy blue sky background generated with AnyRail?  If not, what software?  Very nice!

My suggestion is this... add back a couple of the lost industries inside the open space.  Freight station, seed & feed, etc.

Now... instead of a 3% climb to an upper level, why not go down 3% to hidden staging!?  I'm exploring this option on my own layout design.  If you hide the descending ramp track behind some scenery and put a reversing loop on the staging level like you did on the upper level of the original design, you no longer have to "fake" a connecting line.  Trains will disappear "off stage" and new ones will magically appear in their place.  New locos to be serviced, new freight loads for local industry, etc.

I'm not sure whether I'll incorporate hidden staging on my own layout because of the difficulties with building it, and a few concerns about steepness of the grade.  But for both hands-on operating and train watching for visitors, the ability for trains to appear and disappear without physically lifting them off and putting them in a box, is huge.  Please think about it!

Thanks Ted, yes the 3D was done with AnyRail, this one did turn out nice!

One could populate the "people-space" with more layout, but I prefer to have a comfortable space for two people to work in. 

I like your idea for hidden staging beneath the main layout section, but it would be hard to get to, build and service, as you mention.  The veritical access hatches would have to penetrate through the hidden staging level.   Maybe...   

To keep the elevated AND add hidden storage, the layout would need another run of a descending grade, probably also on the left, widening that area.   Maybe three storage tracks with a reverse loop.

Last edited by Ken-Oscale

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