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#1 Rod.H

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Posted 21 April 2017 - 12:34 AM

Right, for awhile I've been thinking of what to do with the Tomix CB set I've got. As I'm more of a visual tinkerer, each time I've set it up it seems that I want to do an island station with a siding or similar. That led me into trying a crossover point arrangement at the platform end, but it didn't feel right. As I've some C605-10s and I'd some out to bring the track pair back to 37mm spacing, swapped the points for them and...
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it resulted in this. Yeah, it's longer than I was hoping for, but it's closer to a lock in regards to the station track arrangement. It's the additions that are now causing the puzzlement. I'm thinking replacing one of the RH points with a double slip is probably the way to go.


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#2 kvp

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Posted 21 April 2017 - 12:53 AM

The top one is what you have now. The middle one is what you described, while the bottom one is a space saving alternative that allows you to move the platform end to the double slip.

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#3 Kabutoni

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Posted 21 April 2017 - 02:01 AM

To be honest, the top (current) version is the most realistic one, as you rarely see double slip points on mainlines in Japan. At least, not that I'm aware of...
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#4 Rod.H

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Posted 21 April 2017 - 03:50 AM

Hmm, now I'm curious on the feasibility of those options with the wide track ballast extensions, as that too generates some head scratching.
 

Via google maps, I've seen a couple of double slips in the yard at Mito, but they were on storage tracks not the main.  



#5 marknewton

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Posted 21 April 2017 - 04:13 AM

Toni's observation is correct. Double slips aren't used much on running lines.

Cheers,

Mark.
Modelling late Showa-era JNR in 1/80th scale.

And the ringing in my ears from playing too loud,
I hear the ocean, I hear the crowd.

#6 kvp

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Posted 21 April 2017 - 04:25 AM

The classical solution to avoid double slips would be to put the 3rd track on the other side. This also results in the longest possible sidings. Tomix has nice 3 way turnouts, so you could move the turnout of the 3rd track away from the platform. (this drawing uses the right-left variant, so the longer curve goes towards the platform, for maximal clearance)

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#7 Kabutoni

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Posted 21 April 2017 - 06:19 AM

I think for prototype's sake it's best to avoid any complicated mechanical designs and stick to simple points. Especially in JR/JNR situations. JNR isn't known to cut corners in layout design with new and complicated technology (hence the massive debt that is still being paid off), so a lot of space is used for station entrances. Looking at Google Maps can give you an idea.

 

Private railways on the other hand are more likely to do so, except when traffic levels are high. In that case marginalising is the key to efficiency. It also helps that there usually is no freight traffic to deal with as well.

 

In the end, I think suiting the site to your own needs is the best practice. Remember also that Tomix offers curved points that can save a lot of space!


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#8 railsquid

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Posted 21 April 2017 - 06:40 AM

FWIW, double-slip (incorporated into a double crossover) at Keikyu Shinagawa:


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#9 Densha

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Posted 21 April 2017 - 12:23 PM

The reason for that layout at Keikyu Shinagawa is definitely a case of lack of space though.


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#10 velotrain

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Posted 21 April 2017 - 01:34 PM

The reason for that layout at Keikyu Shinagawa is definitely a case of lack of space though.

 

Isn't that the basis for many decisions on model railroads?


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Charles


#11 railsquid

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Posted 21 April 2017 - 03:09 PM

I'll be using a a couple to save space...


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#12 Rod.H

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Posted 21 April 2017 - 09:28 PM

That track arrangement is something no doubt someone wishes is available off the shelf, yet is achievable if you feel like cutting up a double crossover & slip.

 

Some of my inspiration's coming from Kashima stadium station, where there's an interchange between JR EMU & KRT DMU and similar situation freight wise. I'm starting to think that I'm trying to do a LDE for a much larger layout.



#13 kvp

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Posted 21 April 2017 - 11:11 PM

If you are willing to add a platform's worth of space between the running tracks, then it's possible to build it without cutting up any tracks.

#14 HantuBlauLOL

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Posted 22 April 2017 - 10:25 AM

Isn't that the basis for many decisions on model railroads?

 

nailed it.

 

still a problem for prototypical modeling tho.



#15 velotrain

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Posted 22 April 2017 - 12:20 PM

still a problem for prototypical modeling tho.

 

I'd have to say that any attempt to model prototypically is a series of compromises, starting with the fact that proto lines generally don't run in circles.

 

If you're really interested in the prototype, you'd be using a scale larger than N so you could model much more detail.

 

If someone wishes to follow the trackwork guidelines of a specific Japanese railway, that's their call.

 

Otherwise, it's your railroad, and you can do what you wish.


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Charles


#16 HantuBlauLOL

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Posted 23 April 2017 - 03:59 PM

I'd have to say that any attempt to model prototypically is a series of compromises, starting with the fact that proto lines generally don't run in circles.

 

usually those modelers hide their back tracks.. 



#17 Rod.H

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Posted 02 May 2017 - 07:37 AM

There are some known RL circle & oval lines, though there's not many where you can see all the track at once from one viewing location.

 

Right, so what I'd like to do boils down to using Tomix track, preferably their wide track, an island station that's an interchange from a JR group electric passenger line to a unelectrified one. Attached to, or nearby is a small yard where the same thing happens with freight, though it's more of an loco swap. As what I've got to work with are DMU's used by Kashima Rinkai Tetsudō that's set the JR group to JR East, the period to recent and the area to depict Kashima.  

I've a feeling that getting the appropriate EMUs is going to be troublesome, the freight train's covered by the what I've got. Perhaps I should do some t-trak modules as practice, I've got enough spare unitrack to do a few. 



#18 Kabutoni

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Posted 02 May 2017 - 07:49 AM

I've a feeling that getting the appropriate EMUs is going to be troublesome, the freight train's covered by the what I've got. Perhaps I should do some t-trak modules as practice, I've got enough spare unitrack to do a few. 

 

Kashima has JR East's 209-2000/2100 Series (209-2100 released by MicroAce) and the 217 Series (4-car formation), released by both Kato and Tomix & the E257-500 Series, also released by Kato. ;)


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#19 Rod.H

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Posted 03 May 2017 - 12:12 AM

Kashima has JR East's 209-2000/2100 Series (209-2100 released by MicroAce) and the 217 Series (4-car formation), released by both Kato and Tomix & the E257-500 Series, also released by Kato. ;)

So this http://www.1999.co.jp/eng/10315928 that was on the LE  Ayame service, http://www.1999.co.jp/eng/10042620 for normal then, there's http://www.1999.co.jp/eng/10415967 though the stripes are the wrong colour. Going by what I've found this  http://www.1999.co.jp/eng/10129470 is also relevant.


Edited by Rod.H, 17 May 2017 - 04:14 AM.


#20 Kabutoni

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Posted 03 May 2017 - 03:21 AM

Depending on the era you want to go for (or any era) a lot is applicable for that area! ;)


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