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

[NW Mailing List]

>From one Dave to another Dave - Thank you very much!
 
Dave Phelps
 
 
In a message dated 7/8/2015 1:41:04 P.M. Eastern Daylight Time,  
nw-mailing-list at nwhs.org writes:

 
The empty weight is 143,650 lbs,  loaded weight 355,850 lbs, from NWHS 
drawing DS01010.  It has a small  negative impact on the available drawbar pull 
on the level, but a measurable  negative impact on a grade.


Dave Stephenson




 
  
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Sent: Wednesday, July 8, 2015 10:31  AM
Subject: Empty (tare)  weight of 611's Auxiliary Tender?



 
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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