Murdoch17

Railroad locomotive XL turntable - 12 outlet tracks and modular control tower

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Here is my XL turntable, which has 11 dead-end stall tracks and one outlet track. (though it can be reconfigured to be as many or as few tracks as needed).  It is spread out over a 64 x 64 XL make-shift base plate size made up of of 4 regular (32 x 32) curved road plates with quite a bit of overhang due to the outlet tracks and tower.

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The re-purposed signal tower is now being used to control the turn table. This control building is modular, and has a roof and second floor that come off to reveal inside details. The studs on the sides of the building are supposed to spell out the the yard's name, but I haven't decided on a good name yet. If you have any suggestions for a name with 10 letters or less, please post a comment with it below!

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This table can handle a 4-track long engine (around 64 studs) with a bit of overhang at the ends, such as with my Frisco 1522 4-8-2 steam locomotive as seen above. Diesel A + B unit sets would have to be separated and moved independently, but that's okay and actually accurate for some real world locations / railroads.

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The basic workhorse of the turntable is this four track long framework you see here.

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The table's modular control tower features a lower floor that's empty except for the staircase.

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The upper floor features a machine to control the turn table, a wall clock, and a old-fashioned rotary telephone.

The table easily glides on an raised outer ring of tiles, and turns on a central 2 x 2 pivot point. This whole thing can be mechanized, much more easily than a transfer table, but it still needs fine tuning to make it work right. The outer ring of tracks is only attached to the base plates at two certain points: every other spot is held on by gravity. (plates on tiles) This is basically a very much enlarged version of this model here.

I was working on a seven-stall shed in the same style as the tower to connect to the turntable, but the angles and hinge bricks weren't working out due in LDD. I guess it will have to wait until the turn table is built in real life.... if it is ever built in the real world.

Comments, questions, suggestions, and complaints are always welcome, as usual and thanks for stopping by!

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Very nice job. Indeed very tricky in LDD. It will take a lot of space in the real world. I did a few attempts, I got a partial turntable working but I don't have a place to permanently store it yet since it is so huge. A traverser table is much more compact.

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54 minutes ago, JopieK said:

Very nice job. Indeed very tricky in LDD. It will take a lot of space in the real world. I did a few attempts, I got a partial turntable working but I don't have a place to permanently store it yet since it is so huge. A traverser table is much more compact.

I actually have a transfer table built (and a topic made too!) that I forgot about until you just mentioned it! I had to go find it, but here it is:

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I think it would probably be easier to just keep what I already have built than build something much bigger when space is already at a premium.

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I just found mine also yesterday while looking for some engine parts :) Are you planning on mechanizing it?

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Really nice.  Reminds of that one on IDEAS by Rasmus Fachmann in 2013.  He also made a roundhouse to go with it - will you?  If you don't know it, search up 'Lego turntable and roundhouse' on google and it's the first result.  He also posted the .lxf files on that IDEAS project soon before it expired, so we can still access and build it.

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Just now, Vilhelm22 said:

Really nice.  Reminds of that one on IDEAS by Rasmus Fachmann in 2013.  He also made a roundhouse to go with it - will you?  If you don't know it, search up 'Lego turntable and roundhouse' on google and it's the first result.  He also posted the .lxf files on that IDEAS project soon before it expired, so we can still access and build it.

That's actually who I got the original LDD files from, before I expanded it to it's current size. Unfortunately, the round house files didn't work with the bigger size table, so I had to abandon it and forge on ahead on my own. It doesn't matter anymore anyway, as I re-did the math, and I sadly won't have the room for this anyway like I originally thought I would.

On 8/29/2018 at 7:05 AM, M_slug357 said:

Noice!

maybe name the yard Callahan...?

Good name idea, I'll have to remember that one!

On 8/29/2018 at 12:27 AM, JopieK said:

I just found mine also yesterday while looking for some engine parts :) Are you planning on mechanizing it?

I don't really like to mechanize my stuff, it takes some of the fun out of it for me. But if I had too, it could be done.

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