Re: Freight Car Measurements


Ian Cranstone
 

I'll further note that not all railways changed their listings immediately when the definition changed. For example, Canadian National was beginning a major freight car renumbering in 1965, and for some time the listings for older number series continued to be listed with the earlier definition of outside length, and the new series were created with the new longer definition applied.

Ian Cranstone
Osgoode, Ontario, Canada
lamontc@...
http://freightcars.nakina.net
http://siberians.nakina.net

On 2013-05-27, at 11:27 PM, Rupert & Maureen wrote:

Ed

It depends on your time frame. I didn't have access to the ORER notes but I
found that -
1907 Outside length was recorded as the length over sheathing, length
over end sills or length over deadwoods (i.e. no standard).

1935 The fractions of an inch in dimensions were removed and the
measurements were rounded up or down to the nearest whole inch.
The outside length measurement was standardised as length over end
sills.

1965 Standard outside length was amended to coupled length or length
inside knuckles, thereby identifying the amount of track required for a
particular car.

Rupert Gamlen
Auckland NZ

-----Original Message-----
From: STMFC@... [mailto:STMFC@...] On Behalf Of Ed
Sent: Tuesday, 28 May 2013 1:20 p.m.
To: STMFC@...
Subject: [STMFC] Freight Car Measurements

I have been researching older ORER's with idea of scratch building some cars
that are not available commercially. Most of the measurements are self
evident except for the outside length. What are the reference points for
this measurement? Is it the end of the bulkheads, the end of the coupler
boxes, the end of the couplers, something else? If it is not the end of the
bulkheads, how does one use the ORER data to build a car?

Ed Robinson



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