1218 Feedwater

[NW Mailing List]

Roger,

Thanks for setting the record straight.  I must be dyslexic.

Gordon

On 2/27/2019 5:32 PM, NW Mailing List wrote:
> Gordon,
>   Slight typo on that drawing number. I think it should be NW-C33701.
>
> http://www.nwhs.org/archivesdb/detail.php?ID=42520
>
> - Roger Link
>
>
> On Wed, Feb 27, 2019 at 5:27 PM NW Mailing List 
> <nw-mailing-list at nwhs.org <mailto:nw-mailing-list at nwhs.org>> wrote:
>
>     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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