Must be Monday!

kcm.MN

Well-known Member
Location
NW Minnesota
Greenmech, since you liked yesterday's steam pics so much, this one's for you! :mrgreen:

Puzzle: https://jigex.com/WaiKo

mvphoto86543.jpg
 
Its interesting to think that in this era they were
struggling to harness the volatility on the internal
combustion engine.
 
Doesnt look likes crown sheet failure due to low water but maybe it blew the fire tubes out the front when it failed.
 
The header plate blew out.

Before it blew, there was an end cap welded or riveted to the end of the boiler housing. Each of those tubes was attached to holes drilled in the end cap, then swedged to seal.

There is another plate on the other end of the boiler just like it. The tubes pass through both plates, the fire blows through the tubes, which are submerged in water.

Something went wrong, obviously... Either a collision with another train, too much fire, or not enough water. The end of the boiler separated from the boiler housing, ripped the tubes from the swedged holes in the back plate, left them hanging and twisted, The front plate is missing, probably shattered and blew away.
 
'A sign reminds us to hold respect for the power of the beasts we build'

A line from the song 'Crash at Crush' by Brian Burns.
 
Steam has an amazing ability to store energy. If the pressure on a steam vessel is reduced suddenly it can expand 1000 times. Example is 1 cubic foot will expand to 1000 cubic
feet. Watch Myth Buster water heater explosion, where they gag a water heaters safety and add heat until it lets go.
 
Reminds me of the story my old JD worker/buddy told of cutting up old steam engines working his way through college. His partner worked with a torch on one end and he with a torch on the other.

They would play tricks on each other by filling a tube with gas, then lighting it, causing an explosion of soot to come out on the other guys end!

I never had funny stories like that, mine summer work was shocking oats in 90 degree heat, or cleaning out the chicken house (including under the roosts) after the corn was laid by.Leo
 
When I took a steam course the instructor used the following example of the stored energy. Enough energy to blow a VW beetle seven miles high. And don't forget the latent heat stored in that steam.
 
Seen pics of a cleaver brooks fire tube
boiler that someone dumped cold water
into. The end cap was 20 yards away!
 

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