Thanks Doug. I knew there had to be some stated tolerances somewhere.
~ john
-----------------------------------------------------------
--- In CBQ@yahoogroups.com, "Douglas Harding" <doug.harding@...> wrote:
>
> While the height would vary some with load weight and spring compression,
> there was a uniform height for the typical freight car, ie boxcars &
> reefers. More date exists for platforms which are built at 4' above railhead
> to be level with the car floor for loading/unloading. The platform may be as
> low as 3'3" (3'7" standard) to clear a swinging door as found on a reefer.
> Wood or steel bridge plates used to cover the gap between car and platform
> were portable, so a few inches in height difference was normally not a
> concern.
>
>
>
> The NMRA has Data Sheets covering this.
>
>
>
> Doug Harding
>
> www.iowacentralrr.org
>
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