Steve.
I think that I read in some old Baldwin magazines that Baldwin had a
casting plant and did their own machining. My guess is that because of
the size and complicity of the castings, Commonwealth also had
machining capability. Some roads could machine major components, but
most could not. Cylinders and valve chambers were probably their limit.
In the diesel era, LFM (later Atchison) cast truck frames for EMD, and
later, GE and did all the machining and, eventually, the assembly work.
Bill Barber
On Friday, February 6, 2004, at 12:15 AM, CBQ@yahoogroups.com wrote:
> Yup, I saw another post after writing mine that suggested the boilers
> came from Baldwin and frames from Commonwealth.
>
> A related question - I work in aerospace. In our world, casting
> houses make castings, and the casting is then shipped to someone
> else, who does the machining. Then the parts are shipped to the
> assembly hall and assembled.
>
> Does anyone here know anything about Commonwealth and their cast
> frames ? Who had machines to work on such massive castings ? Or did
> Commonwealth supply now a raw casting, but a finish machined frame,
> ready for assembly ?
>
> Another question - on the Burlington Built locomotives, what were
> used for builders plates ? Did the Q have their own ?
>
> Steve
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