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Modeling riprap

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  • Member since
    February 2017
  • From: Harrisburg, PA
  • 660 posts
Posted by hbgatsf on Monday, January 25, 2021 8:49 AM

RR_Mel

https://armballast.com/

Great stuff!!!
 

Duh. I should have realized that stood for Arizona Rock and Mineral.  

Rick

  • Member since
    January 2009
  • From: Bakersfield, CA 93308
  • 6,526 posts
Posted by RR_Mel on Monday, January 25, 2021 7:45 AM

https://armballast.com/

Great stuff!!!
 

Mel



 
My Model Railroad   
http://melvineperry.blogspot.com/
 
Bakersfield, California
 
I'm beginning to realize that aging is not for wimps.
 

  • Member since
    February 2017
  • From: Harrisburg, PA
  • 660 posts
Posted by hbgatsf on Monday, January 25, 2021 7:16 AM

HO-Velo

Used A.R.M. Cascade Gray small boulders #1305 for a small section of rip-rap.  Piled it up against a base of cured/colored Sculptamold and drizzled on a mixture of 50/50 Elmers white Glue-All and water.

Regards, Peter

 

I can't seem to find that.  Can you supply a link?

I also need to go through my pile of plaster castoffs.  I probably have plenty of suitable pieces there.  See, it pays to save everything!

Rick

  • Member since
    January 2004
  • From: Canada, eh?
  • 13,375 posts
Posted by doctorwayne on Sunday, January 24, 2021 10:37 PM

With a railroad that's pretty-well all up-and-down, I have quite a few areas where that type of fill is necessary...

I used Durabond patching plaster which had hardened in the mixing container before it could be used.  Most of it was broken-up using a hammer.  It has been tinted a couple of times with washes of thinned paints, but I think that the glue mixture which holds it in place prevents the paint from penetrating.  I'll have to try something a little stronger.

Wayne

  • Member since
    November 2002
  • From: US
  • 2,455 posts
Posted by wp8thsub on Sunday, January 24, 2021 9:44 PM

DSC03121 (2)

by wp8thsub, on Flickr

I use real rock material, sifted only to remove the overscale rocks.  Sand is applied over the top to represent compacted fill from cinders and other finer textures, and that in turn serves as a base for ballast.

Rob Spangler

  • Member since
    November 2007
  • From: California
  • 2,388 posts
Posted by HO-Velo on Sunday, January 24, 2021 8:18 PM

Used A.R.M. Cascade Gray small boulders #1305 for a small section of rip-rap.  Piled it up against a base of cured/colored Sculptamold and drizzled on a mixture of 50/50 Elmers white Glue-All and water.

Regards, Peter

  • Member since
    January 2009
  • From: Bakersfield, CA 93308
  • 6,526 posts
Posted by RR_Mel on Sunday, January 24, 2021 7:24 PM

I used WS Talus to support the dirt road to No Problem Joe’s house.



https://woodlandscenics.woodlandscenics.com/show/category/Talus


 

Mel



 
My Model Railroad   
http://melvineperry.blogspot.com/
 
Bakersfield, California
 
I'm beginning to realize that aging is not for wimps.

  • Member since
    May 2010
  • From: SE. WI.
  • 8,253 posts
Posted by mbinsewi on Sunday, January 24, 2021 7:07 PM

I haven't done any riprap on my layout, but looking at Woodland Scenics track ballast, medium, would fit your dimensions.

https://woodlandscenics.woodlandscenics.com/show/category/TBBallast

Highway work sometimes usues heavier riprap, which the WS course ballast would fit.

You could get a bucket of pea gravel, and pick out the tiny or broken pieces.

Mike.

  • Member since
    February 2017
  • From: Harrisburg, PA
  • 660 posts
Modeling riprap
Posted by hbgatsf on Sunday, January 24, 2021 5:08 PM

In the real world riprap can be anything from 4" to 2'.  If you have any on your layout how did you model it?

Rick

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