Empty (tare) weight of 611's Auxiliary Tender?

[NW Mailing List]

Dave

The best I can do is off NS' diagram sheet for the 250001 and 250002, last updated was 1-22-1991, which states an average light weight of 143,650 pounds.

Ken Miller

On Jul 8, 2015, at 10:31 AM, NW Mailing List via NW-Mailing-List wrote:

> Could some kind soul please provide the empty (tare) weight of 611's current auxiliary tender?
>  
> I need the information to complete the input data to calculate, using the modified Davis train resistance formula, how much the addition of the auxiliary tender impacts the drawbar horsepower measurements reported from the NS Research Car during the recent excursions.  Then, a valid comparison can be made with the N&W curve reproduced in Col. Jeffries' book, and the curve Classic Trains published (on-line) in conjunction with their special issue on 4-8-4s.
>  
> Thanks in advance,
>  
> Dave Phelps
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