Reply to "1997 4-6-2 Torpedo S/Eng w/Proto - Do you own one"

brwebsterOGR Forum Member

Originally Posted by Last Train Outta Sydney:

Originally Posted by brwebster:

Checked and mine is the identical product number, with proto sound as opposed to just the electronic whistle.

I believe these were notorious for having zinc pest, especially on the cast tender shell. Check it over carefully.

Bruce

G'day Bruce

Can you elaborate on the zinc pest?

I'm not sure what this is.. lol

The Zamac used in metal castings can sometimes have impurities that causes the metal to degrade. It appears as bubbling under the paint and can progress until the casting literally falls apart. It's been a constant problem with Zamac casting and crops up now and again, usually confined to runs of a particular item. From what I have learned, MTH offered replacement tender shells for the Torpedo, back when the engine was current.

Bruce

10/6/159:45 PM

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