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

[NW Mailing List]

Thanks, Ken.
 
Dave P.
 
 
In a message dated 7/8/2015 1:41:37 P.M. Eastern Daylight Time,  
nw-mailing-list at nwhs.org writes:

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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