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My layout has many 042 solid rail curves which take their toll on the traction tires of locomotives. I also find there are other causes of traction tire wear, and the attachment shows most of them. Back in 2012, a forum member posted a technique to use silicone sealant as a replacement for traction tires. Has anyone had success using silicone sealant in lieu of OEM traction tires?

Traction Tire Failure Causes 125kb

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  • Traction Tire Failure Causes 125kb
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Hi, I have used the High temp black silcone RTV for a fraction of the cost of Bullfrog Snot with good results.  I also read that post and tried it. My first attempt didn't last long because I applied only one or two coats and only waited a few hours between coats. The key is to apply 4-5 thin coats allowing 2-3 days curing time between each. This technique works but takes patience. I don't always use silcone instead of traction tires, but some engines are a PITA (MTH Climax for one). I still have the tube of RTV from 10 years ago. It was only about $5 compared to Bullfrog Snot (over $20). The Railking Hudson with the RTV is still going strong.

Bob

@Rockyroad posted:

To:  CP BOB

What is RTV?

RTV stands for room temperature vulcanizing. RTV silicone begins to cure immediately upon being exposed to air, as opposed to the curing agents in water-based sealants (for example, latex). It lends itself well to working as a sealer because it is water-repellent, adhesive and holds its shape. It’s most commonly used as a building sealer, especially in bathrooms and kitchens, where most caulking contains RTV silicone.

Around 18 months or so ago I 3D printed some traction tires for a couple of my diesels and one of the ESE Hudson's'.   I used a TPU silver/gray colored filament (Hardness, Shore 85).  This was done as an experiment and I have not had any issues/failures... but, it's only been 18 months.  Now, as the original traction tires fail I print and install TPU tires leaving the original spares in their respective boxes.

Last edited by Dennis-LaRock

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OGR Publishing, Inc., 1310 Eastside Centre Ct, Ste 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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