Re: Caswell gons in sulphur service?


Richard Hendrickson
 

On Oct 9, 2007, at 2:31 PM, Bob Lucas wrote:

Were Caswell GS gondolas utilized by the Sante Fe for raw sulphur
traffic? See mention of another ATSF class (Ga-13 and Ga-19) cars
designated as "sulphur gondolas". What is a "sulphur gondola"? If the
Caswell design cars did handle sulphur, what was the nature of that
traffic? Bob
Caswell gons may have been used for sulphur service on an emergency
basis but never routinely. Bulk sulphur was extremely hard on the
metal components of the cars in which it was shipped because sulphur
dust combined with moisture produced an acid that rapidly corroded
steel and would penetrate the joints where steel parts were bolted or
riveted together. For that reason, the Santa Fe (and Southern
Pacific/T&NO) sulphur gons that were designed for the purpose in the
1920s and used in dedicated service had wood side sheathing and one
piece cast steel underframes with integral side stakes. They were
among the earliest freight cars with cast steel underframes.

Richard Hendrickson

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