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Post by Commodore on Jul 10, 2020 19:17:20 GMT -5
Was having problems finding more Cork roadbed from my old source.
Gave up, actually!
Walked into the craft section of Dollar Tree and they had exactly what I’d had before, 2.3mm but in 8”X12” sheets ...for a dollar!
These are the really fine grained cork, too. What a find. Check a store near you and let us know !!!😐
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Post by zscalehobo on Jul 11, 2020 17:18:38 GMT -5
Is the dollar store stuff adhesive-backed? Is it tan-colored cork or the IBL type black rubber embedded cork? IBL used a high grade rubber impregnated material and likely better at deadening sound compared to standard cork. I have a couple of bulk sources but not sure a market exists.
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Post by BAZman on Jul 13, 2020 12:39:01 GMT -5
I’ve used Midwest Products N scale cork: midwestproducts.com/collections/cork/products/n-cork-roadbed3019. It is shipped as 2 inverted pieces (the beveled edges together, just tear it apart). While a little higher than most and not as wide (about same as ties - when the product is spilt in two). I lay the bevel edge to the front (for easy ballasting) and the vertical side (where the N scale usage would be butted together) on the back side where it’s hard to see. It just takes more ballast (or a painfully prone for error caulking) or Evergreen triangular styrene on the back side for less ballast. The cork is highly flexible and can be forced into a radii compatible with standard märklin track radii. I use Elmers wood glue (white glue also suitable) and regular pushpins (the colored type) to hold the cork down for an hour or so to maintain shape. If making the very small radio a standard märklin track, I suggest doing a quick flat sanding on the top to make sure that the inside radii of that cork is not “ribboned”. I’ve scored high points and NMRA conventions for the simple technique. |
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Post by Commodore on Jul 13, 2020 19:59:37 GMT -5
Is the dollar store stuff adhesive-backed? Is it tan-colored cork or the IBL type black rubber embedded cork? IBL used a high grade rubber impregnated material and likely better at deadening sound compared to standard cork. I have a couple of bulk sources but not sure a market exists. Frank, It’s not the grey kind, but has adhesive backing. These are tan, what I’d Used before for yards. Ink wash seems to hold its color, At the price, 😶 |
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Post by zscalehobo on Jul 14, 2020 16:40:49 GMT -5
Is the dollar store stuff adhesive-backed? Is it tan-colored cork or the IBL type black rubber embedded cork? IBL used a high grade rubber impregnated material and likely better at deadening sound compared to standard cork. I have a couple of bulk sources but not sure a market exists. Frank, It’s not the grey kind, but has adhesive backing. These are tan, what I’d Used before for yards. Ink wash seems to hold its color, At the price, 😶 Thanks. Seems that the high-quality gasket material employed by IBL isn't really needed - it's considerably higher priced even at 3 different bulk sources. I will shelve this idea of reviving the line due to very little interest and several lower cost options out there. |
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Post by BAZman on Jul 19, 2020 22:27:36 GMT -5
I found it at my Dollar Tree (just around the corner from where we were shopping here in Sacramento !!!). Crafter's Square. The rectangle sheets are 11.75x7.75 (30x9.5xm) and credit card thin o.075” (2mm). Proto road bed is Max 15” (12” nominal) for UP and some roads were just 9” to 6”. This translates to .068” (1.77mm) to .027” (.7mm) so the thickness would be a bit high for proto but I don't see it it after ballasting. Almost unrealistically close to the ground when looking at Z. In reality, there is 2nd sloping grade starting about 5’ out of the first ballast slope that is 6-9” that is on top of the subgrade for more like 24”-12” of ballast above grade. Most of us aren’t going to make these contours. Here is UP's contours: tinyurl.com/yya5pr2aJeff |
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Post by neverland on Jul 20, 2020 12:41:01 GMT -5
Guess I better hang on to my cache of IBL cork roadbed material for awhile longer. Who knows? I might do another layout & then kick myself for selling it.
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Post by Commodore on Jul 21, 2020 15:03:26 GMT -5
I found it at my Dollar Tree (just around the corner from where we were shopping here in Sacramento !!!). Crafter's Square. The rectangle sheets are 11.75x7.75 (30x9.5xm) and credit card thin o.075” (2mm). Proto road bed is Max 15” (12” nominal) for UP and some roads were just 9” to 6”. This translates to .068” (1.77mm) to .027” (.7mm) so the thickness would be a bit high for proto but I don't see it it after ballasting. Almost unrealistically close to the ground when looking at Z. In reality, there is 2nd sloping grade starting about 5’ out of the first ballast slope that is 6-9” that is on top of the subgrade for more like 24”-12” of ballast above grade. Most of us aren’t going to make these contours. Here is UP's contours: tinyurl.com/yya5pr2aJeff Thanks Jeff. I appreciate the UP contours schematic. Now I’m thinking of code 40 rail, but that still appears too tall. Maybe Code 25? |
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Post by marmot on Jul 21, 2020 21:15:26 GMT -5
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rray
Fireman
Retired and model railroading till the last train out!
Posts: 87 
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Post by rray on Jul 23, 2020 9:27:16 GMT -5
I use the Midwest N cork cut in half also. Very economical, black rubber impregnated and sound deadening, and easily available. If you need to blend in with IBL, you can sand it down after the glue sets to the same height as IBL.
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