Cause of boiler explosions

NW Mailing List nw-mailing-list at nwhs.org
Thu Aug 6 23:58:45 EDT 2015


When the 2092 blew in 1937 at a BP of 300 PSI, the major part of the boiler landed almost 900 feet away.

Bud Jeffries

From: NW Mailing List 
Sent: Wednesday, August 05, 2015 10:22 PM
To: NW Mailing List 
Subject: Re: Cause of boiler explosions

Y-6 operating pressure was 300 pounds.

EdK

From: NW Mailing List via NW-Mailing-List 
Sent: Wednesday, August 05, 2015 1:49 PM
To: nw-mailing-list at nwhs.org 
Cc: NW Mailing List 
Subject: Re: Cause of boiler explosions






I recall reading Ed King's report many years ago that when the crown sheet let loose on the N&W Y6 #2153 in 1955, the pressure was "only" 125 PSI, not the regular operating pressure of 250 PSI or whatever that engine was set up for. That one didn't launch because the pressure was that low and couldn't blow out the connections beneath the firebox for a start.

The incident happened about 4:30 AM.  The nearest residence to the explosion was
about 200 feet away.  According to the Roanoke newspaper, it never woke the
inhabitants.

The traffic control system was knocked out and with No. 41 closing, the dispatcher
called R. R. McDaniel's (NS Gen'l Mgr - Motive Power and Equipment) father, who
was a signal maintainer, to investigate.  He put the motor car on the track at
Wytheville, scanned the pole line and collided with the remains of the Y6.
                                                                               Harry Bundy 




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