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 Post subject: Runaway engine video India
PostPosted: Sat Nov 14, 2020 6:36 am 

Joined: Thu Apr 14, 2005 9:34 pm
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Location: Copenhagen, Denmark
OK, this is a little sensational, but it appears to be video of a preserved engine in runaway at a railway museum (note the miniature railway track on site).

Message: maybe chaining or chocking your engines is not such a bad idea?

At most places I have been working, chocking rolling stock without live brakes was considered mandatory, but there are a few places I have been at where they said "oh, it's flat here, we don't need any chocks".

https://youtu.be/-I5kz4GI_BI

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 Post subject: Re: Runaway engine video India
PostPosted: Sat Nov 14, 2020 7:43 am 

Joined: Tue May 01, 2018 8:24 pm
Posts: 15
IIRC it was caused by a collapsed dry pipe.


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 Post subject: Re: Runaway engine video India
PostPosted: Sat Nov 14, 2020 12:18 pm 

Joined: Fri Aug 27, 2004 4:02 pm
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Location: Back in NE Ohio
Didn't something similar happen to #4501 about 40 years ago when it was on the Southern? I remember hearing about it, and hearing that luckily Bill Purdie happened to be in the cab at the time, and managed to prevent it from going very far. Shows what a major safety improvement front-end throttles are.


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 Post subject: Re: Runaway engine video India
PostPosted: Sat Nov 14, 2020 9:07 pm 

Joined: Fri Dec 22, 2017 6:47 pm
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Location: Philadelphia, PA
I remembre Bill Purdie talking about it. They were coming in someplace and when he closed the throttle, 4501 kept pulling. It was all he could do to get the train stopped; he was able to stop and no one was hurt.

Phil Mulligan


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 Post subject: Re: Runaway engine video India
PostPosted: Sun Nov 15, 2020 10:28 am 

Joined: Thu Apr 14, 2005 9:34 pm
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Location: Copenhagen, Denmark
PaulWWoodring wrote:
Didn't something similar happen to #4501 about 40 years ago when it was on the Southern? I remember hearing about it, and hearing that luckily Bill Purdie happened to be in the cab at the time, and managed to prevent it from going very far. Shows what a major safety improvement front-end throttles are.


How did we ever start with internal throttles in the first place? What is the advantage of putting the throttle in that hard to service place?

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 Post subject: Re: Runaway engine video India
PostPosted: Sun Nov 15, 2020 5:02 pm 

Joined: Sun Aug 22, 2004 7:19 am
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Location: southeastern USA
The dry steam lives in the dome, so if you ant to let it out it seems like a good idea to have it there. It doesn't have to be difficult to access - I worked on a German industrial locomotive that had the dome unbolt from a flanged joint down the dome instead of a lid so the throttle was available from all sides rather than just from above. Can you hear the sound of the wrench or split pin going pllnk plink plink down the tube bundle while you think about this?

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 Post subject: Re: Runaway engine video India
PostPosted: Mon Nov 16, 2020 12:04 pm 

Joined: Sat Sep 04, 2004 10:54 am
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Location: Tucson, Arizona
Southern Wood Preservation Company No. 3 crawled away without a crew one night at the Chattanooga plant. She trailed a couple of switches, over a derail and out onto the Nashville, Chattanooga and St. Louis Railway main line. SWP didn't discover that she was missing until the following morning until they received a message from the NC&St.L that they had found the locomotive on the main line and had it at the Craven's Yard roundhouse. That was caused by a leaky throttle valve.

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 Post subject: Re: Runaway engine video India
PostPosted: Mon Nov 16, 2020 1:33 pm 

Joined: Thu May 24, 2012 1:37 pm
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This is why some locomotives have a dome valve AND a front-end throttle: precludes nightwalking.

There will be some people who say 'why not ensure the locomotive reverser is set at mid; wouldn't that solve the problem'? If there were no combination lever, it might...

Amusingly, the threatened requirement of putting a relief valve in the dry pipe and superheater header of a dome-valve superheated engine "because it might in some circumstances constitute a separately-fired pressure vessel" could become an advantage if said valve were arranged to be 'trippable' from the cab in some way, so that it would 'relieve' at a much lower pressure in case of leakage or dry-pipe damage. That probably wouldn't have helped Mr. Purdie much, but it would cure most cases of nightwalking...

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 Post subject: Re: Runaway engine video India
PostPosted: Mon Nov 16, 2020 5:36 pm 

Joined: Tue Sep 14, 2004 7:52 am
Posts: 2484
.


Last edited by Kelly Anderson on Wed Sep 04, 2024 12:44 pm, edited 1 time in total.

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 Post subject: Re: Runaway engine video India
PostPosted: Tue Nov 17, 2020 3:54 pm 

Joined: Sat Sep 04, 2004 10:54 am
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Location: Tucson, Arizona
Back in April of 1906, a runaway steam locomotive plowed into the headhouse of the Union Depot in Chattanooga, Tennessee. The locomotive crashed through a set of heavy wooden doors that separated the pre-Civil War car shed from the hallway the led from the station restaurant and waiting room to the car shed. The locomotive tore up about sixty feet of Georgia marble flooring and broke the whistle rod, causing the whistle to blow continuously for about half an hour. The incident happened on a weekday at lunch time, so the depot restaurant was busy. No damage was done to the wall as the doorway arch was large enough for the locomotive to pass through by design-before the headhouse was built, trains arriving at the station pulled through with the locomotives outside the other end of the Car Shed to keep from filling it with smoke.

The only serious injury was to the baggage master. He had been exiting the baggage room when the locomotive burst through the doors and was hit in the head with a piece of flying marble.

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 Post subject: Re: Runaway engine video India
PostPosted: Wed Nov 18, 2020 5:02 pm 

Joined: Wed Feb 02, 2011 9:40 pm
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Obviously nobody thought to open the cylinder cocks before leaving the cab, either,
much less be absolutely certain the reverse lever was on dead center.


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 Post subject: Re: Runaway engine video India
PostPosted: Thu Nov 19, 2020 12:57 pm 
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I watched the video, looks like it finally got stopped by a derail?
What kind of damage happened to that 4-8-4 from this?

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 Post subject: Re: Runaway engine video India
PostPosted: Thu Nov 19, 2020 1:44 pm 

Joined: Wed Mar 27, 2013 3:55 am
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p51 wrote:
I watched the video, looks like it finally got stopped by a derail?
What kind of damage happened to that 4-8-4 from this?


It is a WP class 4-6-2 locomotive. The class was built until 1973 and belonged to the last broad-gauge classes in India (WP, WL and WG). As far as I remember, usually they had four men in the cab on broad gauge.

Mike


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 Post subject: Re: Runaway engine video India
PostPosted: Thu Nov 19, 2020 1:59 pm 
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484Mike wrote:
p51 wrote:
I watched the video, looks like it finally got stopped by a derail?
What kind of damage happened to that 4-8-4 from this?


It is a WP class 4-6-2 locomotive. The class was built until 1973 and belonged to the last broad-gauge classes in India (WP, WL and WG). As far as I remember, usually they had four men in the cab on broad gauge.

Mike
Okie dokie, but that didn't answer my question at all...

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 Post subject: Re: Runaway engine video India
PostPosted: Thu Nov 19, 2020 2:33 pm 

Joined: Sun Apr 05, 2015 1:28 am
Posts: 657
Location: Ipswich, UK
p51 wrote:
484Mike wrote:
p51 wrote:
I watched the video, looks like it finally got stopped by a derail?
What kind of damage happened to that 4-8-4 from this?


It is a WP class 4-6-2 locomotive. The class was built until 1973 and belonged to the last broad-gauge classes in India (WP, WL and WG). As far as I remember, usually they had four men in the cab on broad gauge.

Mike
Okie dokie, but that didn't answer my question at all...


Not a lot of damage from what I've found...
https://www.deccanherald.com/content/64 ... rails.html
Think it just ended up at an angle after derailing and seems to have been back hauling heritage services again fairly rapidly.
How 1965 is "old" given what other locos survive in India is beyond me!

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