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Largest steam locomotive on Earth to run again!

p51

p51

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Well behind the front lines!
S

Stearmen

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That is exciting news! If it's going to be up in Wyoming, that means it will rumble it's way down by me. I always hoped I would see a Big Boy under steam in my life time. Never got to see one when they were still operational.
bigBoy.jpg
 
R

rjb1

Practically Family
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As a tradition-minded mechanical engineer that is great and amazing news! I'm surprised that they can do it, for both cost and technological reasons, but I'm glad they can.
 
p51

p51

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Well behind the front lines!
Stearmen said:
That is exciting news! If it's going to be up in Wyoming, that means it will rumble it's way down by me. I always hoped I would see a Big Boy under steam in my life time. Never got to see one when they were still operational.
bigBoy.jpg
Click to expand...
Just an FYI, that engine is a Challenger, a 4-6-6-4. It's sort of a shorter version of a Big Boy. It has a very similar look but not quite as large. 3985, the engine in the photo, has been running off-and-on since the 1980s.
Some in RR preservation circles are wondering if maybe 3985 is getting to a condition that UP can't easily justify further rebuilding (a lot of work to their 4-8-4 # 844 took a great deal of time and money) in the future and perhaps 4014 is in better shape for future work. Some have long said you can't run a 4000 anywhere other than the Sherman Hill line through Wyoming (where they ran back in the day) but railroad curves and clearances are much larger and forgiving than they were, say, 20-30 years ago due to longer and taller cars, and much heavier locomotives. I think a running Big Boy now is far more plausible than it would have been at the time they restored 3985 to operation. If they can turn 844, they can probably turn 4014 in the same places as they use the same types of tenders and the individual engines underneath the boiler of 4014 are the same length. I do agree that there might not be a turntable that can spin a Big Boy still left on the system, though...
 
S

Stearmen

I'll Lock Up
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7,202
p51 said:
Just an FYI, that engine is a Challenger, a 4-6-6-4. It's sort of a shorter version of a Big Boy. It has a very similar look but not quite as large. 3985, the engine in the photo, has been running off-and-on since the 1980s.
Some in RR preservation circles are wondering if maybe 3985 is getting to a condition that UP can't easily justify further rebuilding (a lot of work to their 4-8-4 # 844 took a great deal of time and money) in the future and perhaps 4014 is in better shape for future work. Some have long said you can't run a 4000 anywhere other than the Sherman Hill line through Wyoming (where they ran back in the day) but railroad curves and clearances are much larger and forgiving than they were, say, 20-30 years ago due to longer and taller cars, and much heavier locomotives. I think a running Big Boy now is far more plausible than it would have been at the time they restored 3985 to operation. If they can turn 844, they can probably turn 4014 in the same places as they use the same types of tenders and the individual engines underneath the boiler of 4014 are the same length. I do agree that there might not be a turntable that can spin a Big Boy still left on the system, though...
Click to expand...
Your right, I missed that!
 
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Stearmen

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7,202
Fading Fast

Fading Fast

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The Henry Ford museum outside of Detroit has the #1601 C&O Allegheny "Big Boy" and it is amazing / incredible / awe-inspiring and a little bit humbling to stand next to. It is hard to believe anything that big was ever built. A great museum to go to if you are ever near it as it has a lot of train history (and other American industrial history). What an impressive piece of machinery.
 
ChiTownScion

ChiTownScion

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Fading Fast said:
The Henry Ford museum outside of Detroit has the #1601 C&O Allegheny "Big Boy" and it is amazing / incredible / awe-inspiring and a little bit humbling to stand next to. It is hard to believe anything that big was ever built. A great museum to go to if you are ever near it as it has a lot of train history (and other American industrial history). What an impressive piece of machinery.
Click to expand...

The Allegheny 2-6-6-6 was an amazing locomotive, but it was not a "Big Boy:" that designation is exclusive to Union Pacific's 4000 series 4-8-8-4's. In terms of locomotive only tonnage the Allegheny's 389 tons actually outweighed the Big Boy's 381 tons.

The C&O was, like the B&O, heavily dependent upon coal hauling, and that need of getting a long drag of hoppers over the Allegheny Mountains at relatively low but steady speeds was their reason for being. The Big Boys had a somewhat different role: hauling manifest freight at higher speed over Sherman Hill.

And speaking of the B&O: none of their star articulated locos, the EM-1 2-8-8-4, were preserved. /COLOR]
 
Michaelson

Michaelson

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The Allenheny was also referred to on the C&O and an H8 and used quite a bit on the Columbus Ohio run out of Russell, Ky. The reason they had all their pumps on the smokebox of the engines was because the engines kept getting bigger and bigger on the C&O, but the tunnels of West Virgina didn't, so they had to hang the hardware someplace so it didn't get ripped off in a tunnel.

Anyway, back to the Big Boy. ;-)

Regard! Michaelson
 
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