Templot Club Archive 2007-2020                             

topic: 3414A junction
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posted: 14 Apr 2019 05:06

from:

Andrew Barrowman
 
USA

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A little progress (but not very much).

It's really just a double track circle with a terminus in the middle and a reversing loop option. I hope aligned the rails around the junction properly.
Attachment: attach_2821_3414_RBshop4.box     191

posted: 11 May 2019 01:16

from:

Martin Wynne
 
West Of The Severn - United Kingdom

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Thanks for posting that Andy. Any updates?

Is that the only H00-DN layout in captivity? :)

At 32ft x 6ft you have plenty of length, but very tight on width for the end curves. Where will the operating space be for the terminus? Inside the loops or outside with the main lines between the controls and the station?

I notice you have a fixed diamond at 1:9.5 which could cause some mis-tracking. At that angle most folks would go for a switch diamond.

Are you planning to have the junction pointwork 3-D printed?

cheers,

Martin.

posted: 19 May 2019 18:17

from:

Andrew Barrowman
 
USA

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Martin Wynne wrote:
Thanks for posting that Andy. Any updates?

Is that the only H00-DN layout in captivity? :)

At 32ft x 6ft you have plenty of length, but very tight on width for the end curves. Where will the operating space be for the terminus? Inside the loops or outside with the main lines between the controls and the station?

I notice you have a fixed diamond at 1:9.5 which could cause some mis-tracking. At that angle most folks would go for a switch diamond.

Are you planning to have the junction pointwork 3-D printed?

Cheers,
Andy

Martin.
Hi Martin,

Sorry for my slow reply. I've been chasing trains.

Visited our daughter in California then the Durango & Silverton in Colorado. I have pics, including some details of a turnout. Where might there be a good place to park them?

After that I intercepted UP's restored Big Boy as it returned to Cheyenne.

I've made a few changes and will post an update in a bit. As I already have a lot of SMP track the turnouts will be printed to 00-SF. Originally I was going to make the layout multi-level but decided against it. In the best Hornby-Dublo tradition it will basically a double track circuit with reversing loop capability. The double-junction feeds to terminus on the inside of the double track circuit.

The tight radii bits at the ends will be "off-stage". I might add some storage loops there too.

Yes, I think that diamond (and some others) will have to be switched.

Cheers!




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