Unusual steam
NW Mailing List
nw-mailing-list at nwhs.org
Mon Mar 9 21:23:12 EDT 2020
Roger -
All engines had a blowoff cock at the front corner of the mud ring. They used to blow down engines at Bristol for about ten seconds while they were being serviced. The bottom blowoff “muffler” was used while a locomotive was under way. If you have the A book, the muffler can be seen on the 1200 whle it was posed on the Roanoke Shops turntable before the tender was coupled up. The word muffler was misleading. Nothing got muffled very much.
The object of blowing an engine down was to get rid of any sludge or other foreign stuff that might have collected in the lowest part of the water space surrounding the firebox.
- Ed King
From: NW Mailing List via NW-Mailing-List
Sent: Monday, March 09, 2020 8:23 PM
To: NW Mailing List
Cc: NW Mailing List
Subject: Re: Unusual steam
Bud,
Thanks for the drawing. That's exactly what I thought. I've seen them on numerous engines but never with that type muffler. They generally shoot straight out the side perpendicular to the firebox sides.
I never thought about a blowoff due to the location of the steam. Even with the location of the muffler it seems the steam is way back from the exit. I knew a couple engines had rear and both tender trucks with boosters but I wouldn't think they would be used on the ML like that.
Thanks again.
Roger Huber
Deer Creek Locomotive Works
On Monday, March 9, 2020, 06:58:57 PM CDT, NW Mailing List <nw-mailing-list at nwhs.org> wrote:
On 3/9/2020 5:08 PM, NW Mailing List via NW-Mailing-List wrote:
Bud,
Do you have or can recommend a photo on a Y showing this muffler?
Roger Huber
Deer Creek Locomotive Works
Roger,
Go to the archives: https://www.nwhs.org/archivesdb/detail.php?ID=23879
Jimmy Lisle
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