Author Topic: Roadbed Transition?  (Read 527 times)

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dcarrell8

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Roadbed Transition?
« on: December 22, 2019, 11:10:59 AM »
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I have finished bench work on my HOn3 "Timesaver" project and I'm ready to move forward with track-work.  The section I'm working is a 2'X8' flat representation of a small town with only a water stop, station and a few industries. 

I will most certainly use roadbed on the mainline through the town, but I'm not sure about the rest of the track-work.  I expect industry sidings did not make use of grading during my era (Early 20th century) 

What are common techniques to transition from mainline to branch line/siding with no roadbed? or is it best to place roadbed every where and bring the scenery up to the track level?

~Dennis
"I cut it three times, and it's STILL too short"

dem34

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Re: Roadbed Transition?
« Reply #1 on: December 22, 2019, 12:42:33 PM »
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It's kinda tedious, but I think the easiest way to do this would be to just get either a fresh exacto knife or scalpel and carefully cut a shallow angle down to ground level.

Could also cut some styrene sheet into shims and just stack them along until you get a good profile.
-Al

C855B

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Re: Roadbed Transition?
« Reply #2 on: December 22, 2019, 12:57:12 PM »
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Carpentry shims:

https://www.menards.com/main/building-materials/drywall/shims-trims/nelson-15-1-4-cedar-shims-42-pack/661-619/p-1444448977953-c-13059.htm

The more common shim size is half the length, but I think for HO you might want the longer version.
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dcarrell8

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Re: Roadbed Transition?
« Reply #3 on: December 22, 2019, 01:06:52 PM »
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Carpentry shims:

https://www.menards.com/main/building-materials/drywall/shims-trims/nelson-15-1-4-cedar-shims-42-pack/661-619/p-1444448977953-c-13059.htm

The more common shim size is half the length, but I think for HO you might want the longer version.

Wouldn't there be a chance of these getting wet and swelling during the ballasting process? 
"I cut it three times, and it's STILL too short"

C855B

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Re: Roadbed Transition?
« Reply #4 on: December 22, 2019, 01:14:32 PM »
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Not unless you soak the carp out of them. That much water will wash away your ballast first.

If it remains a concern, shims are also available in plastic, albeit in 8" lengths: https://www.menards.com/main/building-materials/drywall/shims-trims/broadfix-1-3-4-wide-x-8-long-plastic-snap-shims-brown-14-pack/ll-101/p-1557729342480-c-13059.htm
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dcarrell8

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Re: Roadbed Transition?
« Reply #5 on: December 22, 2019, 01:27:04 PM »
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Not unless you soak the carp out of them. That much water will wash away your ballast first.

If it remains a concern, shims are also available in plastic, albeit in 8" lengths: https://www.menards.com/main/building-materials/drywall/shims-trims/broadfix-1-3-4-wide-x-8-long-plastic-snap-shims-brown-14-pack/ll-101/p-1557729342480-c-13059.htm

Thanks for the links!  I will definitely give them a try.
"I cut it three times, and it's STILL too short"

wazzou

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Re: Roadbed Transition?
« Reply #6 on: December 22, 2019, 01:43:09 PM »
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Wouldn't there be a chance of these getting wet and swelling during the ballasting process?



They make composite shims.
Bryan

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dcarrell8

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Re: Roadbed Transition?
« Reply #7 on: December 22, 2019, 02:00:51 PM »
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Ordered the plastic shims from Manards,  will re-post with pics on my layout engineering thread on how it works out.

~Dennis
« Last Edit: December 22, 2019, 10:07:51 PM by dcarrell8 »
"I cut it three times, and it's STILL too short"

nickelplate759

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Re: Roadbed Transition?
« Reply #8 on: December 22, 2019, 03:13:19 PM »
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Super low tech, but I've used stack layers of shirt cardboard, longest on top, shortest on the bottom.
George
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I'm sorry Dave, I'm afraid I can't do that.