[PRCo] Re: PCC development

[Fred Schneider]

Plus the General Electric variants.,
On Oct 22, 2005, at 10:49 AM, Boris Cefer wrote:

> I am just trying to spend some time in PCC electrical drawings.
> With the recent PTM roster update, one might be curious what the  
> actual connections (except the recently added b-u controller) in  
> the 1138 are.
> At the beginning, there were three (3) electrically different  
> groups of PCCs:
>
> a) 100, 1000-1074 except 1054
> b) 1100-1154 and 1054
> c) 1155-1174
>
> The drawings and other stuff that I collected also here (dating  
> from 1939) indicates more changes within 1939 than we can imagine.  
> There is no drawing for the series 1100-1154 and 1054, which would  
> include also the 1138, but there were obviously extensive  
> improvements.
>
> This does not reuire any response, just an attempt to put some  
> light on the subject.
>
> B
>
>