Reply to ""Zinc Pest" on McCoy Trains"

David NissenOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

The Steam Chest on the McCoy steam locomotives is another part that suffers from
"Zinc Pest". Attached is a picture of a steam chest that is starting to show signs of
"zinc pest". Also attached is a picture of a part that I machined from aluminum for
my own use. I spent 40 hours making this part. At the minimum wage of $15.00/hr that
comes out to $600.00 to repair a locomotive that I bought new for about $250.00.

If I need another part I will try a 3D printed part. I have made a 3D (STL) file for
this part (see third picture). I am going to print a test part to see if it looks
promising. If anyone else would like to try printing this part, send me an email and
I will send you the STL file. Just let me know how it turns out and what printer and
what material was used.

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1/26/2112:18 AM

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