Re: Thanks: RR users of the 1927 ARA design box car


Bill Welch
 

I think it is important not too generalize too much about the cars grouped under this banner of Pratt truss frames with Hat Section bracing. Going from memory for example I think the CRI&P and SP cars were taller than the XM-1 design specs while the SAL had three groups of car with slightly different underframes. The RP CYC article is a good authority for these cars.

Bill Welch

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