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Two Ideas For Space Saving Trackwork
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 Posted: Fri Mar 14th, 2014 08:30 pm
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Salada
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These photos are of the Lisbon, Portugal city tram system, taken 12/2013.

The 1st photo shows interlaced twin lines to save space around a narrow bend:







The 2nd photo shows a fairly typical feature of the Lisbon system, which I have never seen anywhere else. To reduce the curvature radius of a diverging switch into a narrow side road the diverging line is switched off in the "wrong" direction and then crosses back over the "main" :







In the above example the "main" has been severed due to system alterations but you can see the idea.


Regards                                                   Michael  

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 Posted: Fri Mar 14th, 2014 08:45 pm
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Helmut
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One s.g. track leading into the ironworks in my hometown set off in the same manner as shown in the 2nd picture. That was Germany in the 60's.
The 1st pic shows 'gauntlet track'. The US boys will certainly come up with pictures of the once numerous installations in the US.

Last edited on Fri Mar 14th, 2014 08:47 pm by Helmut



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 Posted: Fri Mar 14th, 2014 08:55 pm
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Salada
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Hello Helmut,

The only 'gauntlet' standard railroad line I have personally seen is in Southern Italy where a public NG system shares a single bore tunnel with a public SG system - both lines are two way running single lines so 4 potential conflicting movements !.

Regards             Michael

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 Posted: Fri Mar 14th, 2014 09:20 pm
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jtrain
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Michael,

What was the gauge of that tram? 3ft? meter gauge?

While the overlapping tracks (gauntlets) were common on this side of the pond, never have I seen one. Is there a website about this tram network? Reason I'm asking is because it looks like Lisbon could be a fun tram network to model.

--James



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 Posted: Fri Mar 14th, 2014 09:34 pm
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Salada
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Hello James, how's it going ??

Lisbon system is 900 mm = 35.433" (sort of nominal 3' !!).

Still fairly extensive system & quite a number of old style trams on selected routes.
It is however intensely urban so would require extensive modelling of  building structures, even if only shallow depth frontages were depicted. 100% street running, some through really tight alleyways.

Just Google "Lisbon Tram System" - route maps etc.

Regards              Michael

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 Posted: Sat Mar 15th, 2014 01:45 am
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Herb Kephart
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Michael

Buildings are a lot easier to make than trees are for me.

Might be fun to model something like this. Would mean plenty of roof detail on the buildings, and a quick way of dusting the same. I have had layouts in the past that had street running--but never in such tight quarters. Probably would have to be based on a European city.

Herb



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 Posted: Sat Mar 15th, 2014 02:59 am
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jtrain
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Michael,

Couldn't be doing any better. Just spent a week in the Black Hills on the west side of South Dakota. I assume by the looks of your photos, your Christmas went well?

Thank you for the info. As Herb and I said, this looks like a great place to model. You could never do the whole system, but one or two blocks would be enough modeling to keep me busy for years.

--James:java:



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 Posted: Sat Mar 15th, 2014 11:14 am
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2foot6
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There was a gauntlet track in Sydney on the rail system to the dock area,I believe it went through a tunnel from the rail yards to the dock yard area(Darling Harbour),now redeveloped....cheers Peter



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 Posted: Mon Mar 17th, 2014 12:51 am
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Salada
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James,

Yes, we're OK, thanks. SD Black Hills still freezing cold this time of year ?

There are several Lisbon tram locations that would make very characterful models, their gradients (grades) are unbelievable for normal (non rack) adhesion :





The old town area, see above, & then leading into the main square with it's maze of possible route variations, would make a good compact modelling subject.


Regards                          Michael

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 Posted: Mon Mar 17th, 2014 03:54 am
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jtrain
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Ha, they should be this time of year, but instead the whole week was between 60-68 degrees Fahrenheit except for one day with light snow.

That are some serious gradients!

--James:java:



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