Dennis,
I believe that both the 1949 CZ and the 1947 TCZ equipment were built with full width diaphragms. All were later replaced. I think only the 1956 DZ equipment was built with narrow diaphragms.
Bill Barber Gravois Mills, MO Sat Aug 1, 2015 10:16 am (PDT) . Posted by:Scott:
The early Zephyr equipment of the 30's and early 40's came equipped with full width diaphragms basically for aesthetic purposes to give the appearance of the train being continuous with no gaps between the cars.
As time went on the full width diaphragms became a maintenance issue as they did not allow access between the cars for service on hoses, couplers, etc. so the switch was made to narrow width diaphragms say mid to late 40's.
New car orders say late 40's and beyond including your 1947 Budd-built Twin Cities Zephyr consists came equipped with the narrow width diaphragms so as time went by the full width versions went by the wayside.
Thanks - Dennis Popish
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Posted by: William Barber <clipperw@gmail.com>
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