1218 Feedwater

[NW Mailing List]

Gordon,

28 of the 30 Y-6b’s had a jacket covering the smokebox; the exception were the 2177 and 2188.  That opening behind the stack was to access the superheater header and front-end throttle.  Some of the 1200s had these jackets and a very few of the Y-6 and Y-6a classes as well.  I do not have a listing of them for the A, Y-6 and Y-6a classes but you can observe them from photos.

Bud Jeffries

From: NW Mailing List 
Sent: Wednesday, February 27, 2019 4:46 PM
To: NW Mailing List 
Subject: Re: 1218 Feedwater

There certainly have been good discussions on feedwater heater pumps based on this excellent top view of the 1218, but I'm surprised that no one has questioned the opening in the boiler/smoke box jacket immediately behind the smokestack, obviously giving access to a bolted smoke box cover (Archives drawing NW-C33710).  I say that I'm surprised because I can not see comparable openings in the few suitable views photos of other Class A loco's with jacketed smoke boxes that I have been able to find.  So, this appears to be a modification to 1218 only.  Any thoughts?

Gordon Hamilton


On 2/24/2019 3:18 PM, NW Mailing List wrote:

  Mike - 

  The A class engines used a Worthington 6-SA feedwater heater system.  There was a turbine pump under the left side of the cab to provide the cold water and there was a hot water pump under the left running board at its forward end.

  All the Js and the Y-6bs used Worthington SA systems.  N&W had hundreds of engines equipped with the earlier Worthington BL feedwater heaters, which appeared under the left running board and incorporated the pump and heater in one casing.  The Worthington systems were very efficient and dependable and, AFAIK, N&W never used feedwater heater systems from any other manufacturer (Elesco, Coffin, etc.) nor did it feel it necessary to build its own.

  Ed King


  From: NW Mailing List 
  Sent: Sunday, February 24, 2019 11:31 AM
  To: NW Mailing List 
  Subject: 1218 Feedwater

  In this topside view of 1218 can be seen what I assume is the feedwater heater forward of the stack. Was this an in-house design or a product of an outside manufacturer?

  Mike Pierry, Jr. 


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