Re: OMI 1930-built GATC 10,000 Gal double dome tank car

Craig Wilson
 

Tom Marsh lived in downstate Indiana.  However his draftsman, Arnt Gerritsen, lived near Valparaiso in northwest Indiana.  He drew many, many projects that got produced as Overland Models and some that didn't.  Arnt had a fondness for the out-of-the-ordinary and would venture out to measure and photograph when he found one.  This particular car resided at the NIPCO plant in Michigan City Indiana.  It was a "captive car" there and no one that Arnt talked to could tell him how long it had been there or what its previously life had been.  Arnt considered it a one-of-kind-prototype, which it may indeed be.

Arnt drew projects that interested him on his own time and filed the drawings away.  Because OMI was his employer, Tom Marsh had first right of refusal on these and this tank car may have caught Tom's eye and he decided to built it.  Another one of these "private efforts" resulted in the Speedwitch AA Single Sheath boxcar kit.  The prototype cars were all retired in 1962-63 and dismantled, save for couple door-and-a-half cars what went into MofW service.  Then a fully intact single door car was discovered sitting in the DPW yard in Cadillac Michigan and being used as a storage shed.  Arnt and I got permission to go measure and photograph it.  Arnt created a beautiful set of scale drawings which went in the drawer until Ted Culotta saw them and borrowed the drawings for the Speedwitch model.

Craig Wilson

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