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File: mastodon229.png (2.33 MB, 2659x1452)
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Mastodon Edition

Previous thread: >>1590413
>>
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First for xbox hueg pistons
>>
>>1595136
There are some unequal ones I like. Mastodons are my fave example but I like 2-10-0s as well. But anything with 6 drivers or fewer, I need there to be a 4 wheel lead bogie or else it looks ugly as shit, regardless of the trailing bogie.
Also, while 2-8-0s aren't my fave arrangement, I do like the proportions of some turn-of-the-century locos, not to huge but not too small. I suppose some Mastodons can do this too.
>>
>>1595149
Oddly specific tastes.
How about this?
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>>1595150
Yeah, not a fan on Moguls. Don't really like most British locos anyway, I tend to prefer French or American ones
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>>1595153
Personally, I find French locomotives to be very cluttered. There are some great lookers like 242A1 but they are few and far between.

US locomotives do have the appeal of being brutishly powerful but I think Australian and South African locomotives have a good balance between elegance and utilitarianism.
>>
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>>1595160
I kinda like the look, though some later ones did clean up some. Compare Chapelon's 1934 series of Mastodon rebuilds in >>1595153 to the 1940 series here.
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>>1595160
Both series were rebuilt from the 4500 class, which were the first 4-6-2s to operate in Europe. (Though UK had previously built a few for export). The original saturated-steam versions made about 1,800hp at the cylinders, whereas the Mastodons made 4,200hp (1934 series) and 4,700hp (1940 series) at the cylinders.

That said, I do kinda like the look of the initial 4500s such as this one, with the white paint and oval windows, has a sort of elegance to it.
>>
>>1595168
>rotary valve
That's sweet
>>
>>1595185
Yeah a lot of Chapelon's rebuilds used rotary-cam poppet valves (I think Lentz type?), which, unlike many other poppet setups, could use the existing Walschaert valve gear. You can see it in motion here: https://www.youtube.com/watch?v=rKRCJhLU7rs
>>
>>1595145
Honest question: was the Y6 the best mallet, or even the best articulated ever made in the US? Big boys had obvious shortcomings and we just discussed what was wrong with the Allegheny locos
>>
>>1595203
For what N&W needed, it was perfect. It really depends on what you're wanting to do with it. Bogies help spread weight.
Lead bogie can spread weight and also help guidance at high speeds.
Trailing bogie can allow a deep, wide firebox, for better power at high speeds.
Taller drivers are easier to balance at speed, and also determines the speed where peak HP comes along. (Of course, N&W figured out how to balance J class's small (for a 4-8-4) 70" drivers for 100mph running)
Actual tonnage a train can move is determined by tractive effort, which is limited by the amount of weight on the drivers, especially on grades.
So if you want to move a train on flat ground, at high speed, then "super power" locos are perfect for you.
But if you want to move the absolute maximum the train can can, especially if it's at low speeds and/or on a mountainous region, you may want to focus more of the maximum weight on drivers. As noted in >>1595065 the 2-6-6-6, the heaviest loco ever built, had a tractive effort of only 110,000lb, which is absolutely pathetic compared to the Y6s 126k compound/166k simple, the Big Boy's 136k, or the VGN 2-10-10-2s 147k compound/176k simple.
But I would say the Y6b was the most advanced mallet, and probably was the best one built. Though you could argue for the N&W 2-6-6-4s and Challngers as well, provided you used them in the correct manner.
>>
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More footage of 1309
https://www.youtube.com/watch?v=zrSkaU8Uw8s
Any idea why she's still belching so much smoke?
>>
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>>1595207
Peak performance
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>>1595203
I've heard the DRG&W 2-8-8-2s were some of the best pullers out there.
>>
>>1595233
These guys?
>>
>>1595235
si
>>
>>1595240
Unless I got he wrong engines, apparently not
https://www.steamlocomotive.com/locobase.php?country=USA&wheel=2-8-8-2&railroad=drgw#316
>>
Who here /AUSTERITY/?
>>
>>1595284
Probably the most ugly steam locomotive of all time.
>>
>>1595284
>These ugly-ass engines served all the way up until 1966
Who'd a thunk it
>>
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>>1594900
>1604 is forever consigned to be a display piece because of flood damage
What would water do to a steam locomotive that couldn't be repaired? Was it brackish?
>>
>>1595352
See for yourself
Water in the boiler and water inundating the frame, running gear, and cylinders AND getting tilted on the side are two different ballparks.
>>
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>>1595353
forgot pic
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>>1595207
How long could the Ys operate in simple mode? Indefinitely? Or would it quickly suck down all the steam?
>>
>>1595215
>Any idea why she's still belching so much smoke?
It burns coal
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anyone have any decent images of Cornwall as built? Google isn't helping me with this onw
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>>1595354
That doesn't seem irreparable
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>>1595360
Maybe not. Certainly from a cosmetic standpoint. But if the money ever magically appeared to fix either 1604 or 1601, I'm hedging my bets on 1601.
>>
>>1595356
Most compounds, articulated or not, had a simple-expansion mode. (I think at a reduced pressure to avoid excessive wheel slip) It was really only used for starting the train, otherwise boiler pressure would drop too quickly. Once you got fast enough to not stall you'd revert to compound mode to save steam, water, and fuel.
Many 4-cylinder French compounds like the ones earlier in thread could also have modes to run on JUST the HP or LP cylinders, for emergency or light running.
>>
What was the best drive wheel design and why was it Boxpok?
>>
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>>1595384
>Boxpok
upgrade
>>
>>1595364
I'm not an expert could be completely fucked but based on that pic I'd say it could be repaired if desired.

I truly wonder what a museum will take to part ways with a steam engine like 1601. I wonder if they would consider selling it at all. Obviously museums do sell their equipment periodically, but I presume in addition to money or a trade, you'd also need some credentials for your operation.
>>
>>1595394
It depends. The museum where N&W 611 resides di its restoration (Norfolk Southern doesn't have a steam program). So if the Ford Museum ever gets enough dosh they can do it themselves if CSX lets them use their lines.
>>
>>1595352
It's made of metal. It will still rust out. Even if water is left in the tender/tanks for long enough it will cause the metal to rust. A steam loco is basically always trying to destroy itself.
>>
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>>1595141
https://www.youtube.com/watch?v=RlBVgsZ6Y-w
>>
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>>1595400
>The museum where N&W 611 resides di its restoration
Too bad NCTM doesn't have money to restore their own damn steam locos, as opposed to restoring someone else's that's famous enough to get countrywide funding. I think it's been like, 15 years since they ran a steam loco that they actually owned? Pic related got sold to some place out of state. And the Shay is out of operation too.
>>
>>1595412
NCTM is fake and gay
>>
>>1595384
>>1595391
any BFB wheel lovers in
>>
Can't have a steam locomotive thread without a terrier
>>
What do we think of streamliners?
>>
>>1595430
Absolutely based.
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>>1595384
>Boxpok

SCOA-P makes the world go round
>>
>>1595430
>>1595431
boring

>>1595433
based
>>
>>1595401
Metal can be repaired
>>
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heard you like small drivers

Austrian Federal Railway Class 97. 2-12-2T
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>>1595479
>>1595480
LMAO'ing at driverlets
>>
>>1595482
Argentina - Class E24 0-12-2
>>
>>1595490
how can driverlets even compete????
>>
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>>1595479
pretty nice although that forward visibility must be poor

here's a slightly better proportioned Polish class Okz32 1-5-1
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>>1595444
Nothing against the T1, but what have you got against streamlined hudsons?
>>
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>>1595502
i can't express why, but i just don't like the look of them. i can understand why most other people would though
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>>1595415
I'd love an OO model of Stepney even if it doesn't fit into my layout.
>>
>>1595510
I love articulateds on roads not normally associated with them, like B&O, PRR, SOU, and the like
>>
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>>1595532
>>
>>1595532
I feel like whenever articulateds are brought up, people only ever think of UP, N&W, and maybe C&O.
Shame what happened to the last EM-1. Apparently, the B&O wanted it preserved, but when it was being pushed cold to a museum, the yardmaster didn't get the memo thought it was going for scrap, so he switched it that way, and by the time the B&O found out what happened, the scrapper's torch had already torn it apart. Dumbass got fired afterward, but sadly, it won't bring her back.
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>>1595415
I wanna see Stepney operating again. It hurts to see him mothballed
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>>1595430
>streamliners
Levels of based thought impossible until the first streamlined steamer rolled out of the works
>>
>>1595431
Eh, this level of streamlining is more iconic
>>
>>1595482
>>1595491
lel at your shit torque
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>>1595603
Oh the torque is fine, the problem is grip
>>
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why were they so bad bros
>>
>Narrow Gauge
Cute
>Cape Gauge
its like the 5 dollar box at Taco Bell
>Standard Gauge
the GOAT
>broad gauge
DISGUSTING
>>
>>1595430
early the worst of any Streamliner and 4-6-4. Fuck that faggot Kike Perlman.
>>
>>1595479
what an odd combination of things
>12 small drivers for Max tourqe
>its a tank engine
why not just do a Garratt?
>now I want to see a photo shopped Challenger Tank engine
>>
>>1595648
Apparently they ate up a shit ton of coal and had horrible draft. You'd "put four loads of coal in and the first would just disappear out the stack."
>>
>>1595652
What was wrong with it?
>>
>>1595654
how did Baldwin fuck them up so bad.
>>
>>1595656
I used the wrong word. It was probably a fantastic locomotive but its the UGLIEST of all American streamlines. The UP ones are close behind it
>>
>>1595663
I think it's good
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>>1595663
Eh, they're not THAT bad
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>>1595431
>>1595600
Vanderbilt>Dreyfuss
>>
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>>1595649
the GWR abandoned broad gauge 40 years before trying this and they STILL fucked it up
>>
>>
Can any /n/-words here recommend me a good scenic steam train route, preferably East coast USA? I've always wanted to try riding a steam locomotive up through Georgia or wherever for a few days but I'm not sure how to go about finding something.
>>
>>1595930
You won’t find any kind of long haul ride, except for special excursions where you’ll have to pay big bucks to get on board. There’s some smaller /museumheritage lines with short trips. Not sure what’s in the southeast but I know there was something in Chattanooga.
>>
>>1595930
A lot of excursions have been cancelled or put on hold because of wu ping cough. NKP 765 and Pere Marquette 1225 are both in the roundhouse for the foreseeable future, and even if they weren't, like >>1595931 said, they cost big bucks to ride.
>>
>>1595930
Cass, West Virginia?
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>>1595657
Not sure how, but it's surprisingly easy to cock up the design of a locomotive.

Pic related was so bad when it was first built that the basically dumped it on an easy route and firemen would miraculously "fix" a badly steaming engine when they found out this was the replacement.
When it was preserved they found that:
>The wrong sized chimney was used
>Ashpan and dampers weren't big enough
>The brick arch in the firebox was at the wrong angle, messing up the gas flow.

Since those issues were sorted it's one of the best performing steam locomotives in the UK.

>>1595930
Just say /n/igga my /n/igga
>>
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What exactly were the difference between all the "Y" iterations? They all look very similar externally. Was it all internal, like superheater redesigns or something?
>>
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I like my tank engines T H I C C
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>>1595430
Most excellent
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>>1595433
>mfw those madlads are actually gonna build 5550
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>>1596164
How far along are they now?
I remember Tornado took something along what, 15 years? And this is a much bigger engine.
>>
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>>1596165
about 1/3 of the way
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>>1596168
boiler is done too
>>
>>1596168
>>1596171
Hmm...
Shouldn't they have started with the frame and drivers? Makes more sense to build the foundation of a house before you add the shingles.
>>
What was the speed difference in locomotives with 2 pony wheels vs 4?
>>
>>1596172
They said that they wanted to complete the largest parts first because they where generally the most expensive.

>what will the British foamers even do when this thing gets the new speed record
>>
>>1596180
They'll restore the Mallard again
A grand race between the T1 and mallard will then ensue.
>>
>>1596030
I WANT TO LIVE IN THOSE FRONT CYLINDERS
>>
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>>1596230
That is quite silly of you anon. You would be crushed.
>>
>>1596180
That doesn't make any sense as the frame castings and cylinder and truck castings will all be way more expensive than the boiler.
>>
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>>1595284
A U S T E R E
>>
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>>1596274
>>
>>1596172
my guess is that the big bits are easier to generate excitement and show downers "look how much we already have!" rather than a collection of little parts.
it looks to me like they have all the hard parts ahead
>>
>>1596312
In any case, I do hope they get it done
>>
>>1596274
WD 2-8-0s and 2-10-0s did the job, but most crews thought they were rough riders.
They were very nice on the track with very little hammer blow because they had very little balancing.
>>
>>
>>1596175
For the front, a 4 wheel gives better guidance on curves. (Though there were a few fast locos with only a 2 wheel lead bogie) For the rear, bogies of any kind allow for a larger, deeper firebox, which allows more power at high speeds. It's less important in low speed engines like mallets, where the rear wheels are more for weight spreading, especially if the firebox is so huge that it has to go above some of the drivers anyway.
>>
>>1596554
I'm just talking about the pony trucks though, I wonder what the practical speed limit of only 2 leading wheels is
>>
>>1596180
>>what will the British foamers even do when this thing gets the new speed record
Cry and shit their pants, then claim it doesn't count for being a new-build.
>>
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>>1596693
Are there any pictures of 844 without the deflectors? I think they look odd on North American locomotives
>>
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>>1596697
I think they look nice, especially on 844 and the NYC Niagaras.
>>
>>1596172
IIRC as of Spring 2019 there was still a fuckton of CAD work for frame components to be done and I think they wanted that all complete before continuing on the frame. Still the boiler, smokebox, and front tube sheet aren't exactly simple components. Not many people make steam locomotive boilers anymore especially of that size. I mean who even makes boilers with fucking Belpaire fireboxes?
>>
https://www.youtube.com/watch?v=_6gB9RwQLWQ

Looks like they explains what's going on with the frame here at 4:26
>>
>>1596697
>Are there any pictures of 844 without the deflectors?
I don't think so, sadly
>>
>>1596723
>welding the frame
Why does this sounds like such an awful idea
>>
>>1596645
>brand new
Nice
>>
>>1596785
>>1596697
Here's an earlier sister without ears.
>>
>>1596693
Ed Dickens is a fag for removing the Mars light off the front of 844
>>
>>1596790
The fame CAD looks like the areas that are narrower and thinner between the larger parts of the casting would be conducive to welding.
>>
>>1596798
*frame
>>
Speaking of T1's, the T-1 is getting close to returning to service.
Link to the Train's article:
https://trn.trains.com/news/news-wire/2021/01/reading--northern-brings-no-2102-nearer-to-operation-with-steam-test-to-service-after-steam-test?fbclid=IwAR0SWSQa1F25DbV98I2g57xBwclCWFR6DUFoXXxxfFedwfJoqj2tzSwDaNE
>>
>>1596886
I don't care about it that much
>>
>>1596886
Noice
>>
>>1596947
>Noice
Noice
>>
>>1596960
noice
>>
>>
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>>1596697
Well "The Great Book of Trains" has a painting.
>>
>>1596180

>>what will the British foamers even do when this thing gets the new speed record

I'm actually pretty hype to see the T1 in action.

t. Britbong
>>
>>1597010
I may be mistaken but they removed the part about trying to break the speed record from their website. I could have sworn it was there because every Youtube video about the Trust would be filled with seething Mallardfags in the comments. Now it just mentions "These locomotives had the capability of achieving speeds in excess of 120 mph, and anecdotal reports indicate that speeds of up to 140 mph were attained." I also could have sworn at this talk in 2019 I attended, they said they weren't even concerned about the top speed anymore.

I belong to the PRR technical and historical society and undoubtedly the hottest topic over the past decade and half has been the T1 and it's flaws. Most of the time when people talk about the T1 they bring up many of it's flaws including excessive wheel slippage. Recentish research however is suggesting many of those flaw are actually fudd lore as they were either rectified by the PRR or massively overblown. The wheel slippage is supposedly one of them. I think it may have be the case of one sourcing making a claim and everyone after repeating it as the truth - like the myths surrounding the Battle of Midway. At one point the T1 was loaned to either the C&O or N&W or both for testing and had massive issues doing things it wasn't designed to do and regarding the wheel slippage it was supposedly a case of engineers used to running K4s' and M1's not knowing the T1 needed to be handled differently.

So it's safe to say at this point the people involved are more concerned with getting it built to study how it actually ran and how bad it's flaws were rather than breaking the speed record. I'm sure they won't shy away from an opportunity to try it, but there aren't many places it can be done and I can see them not wanting to take the risks.
>>
>>1597021
Weird because railroaders and railfans aren't known for bullshitting
>>
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>>1597023
Maybe they just didn't want the hostile feeling, which is also rare for railroading outside of the swirling maelstrom of autism that is 4chan.
>>
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Off topic, But anyone else watching the restoration of 2716? should be the most powerful Berkshire operational when it's completed
>>
>>1597036
How much more can she put out than, say, they Lima twins?
>>
>>1597038
Steamlocomotves.com has a great comparison between 765, 2716, and 1225, N-1's and K-4's are close, but 2716 has somewhere around the area of 4,000 lb more of tractive effort
>>
Presuming that they were restored, how would NYC 3001 and PRR 6755 stack up against the other 8-drivered locomotives currently operating or being restored?
>>
>>1596997
hey, it's that book the railroad tycoon 3 devs read!
>>
>>1595442
based for scoa-p and BB18 1/4 pic
>>
>>1597021
I saw a recent kikebook post asking the T1 trust page admin if they had a place to run a top speed try and they replied with a wink emoji and stated they had secured such a stretch of track to do so. I suppose the future holds our answer.
>>
>>
>>1597197
Bruh, if they get Amtrak's clearance, I wanna see them do it in Mansfield, one of the 2 stretches of 150mph track in the US

Either there or the Pueblo test facility
>>
Damn, I didn't know it was this big
>>
>>1597236
it's probably pueblo, absolutely no chance amtrak lets a steam engine attempt track speed on the NEC
>>
>>1597335
Pueblo is a long way from where the loco is supposed to be based. That's one expensive trip to be dead in tow. I agree, Amtrak probably won't let them run, but thee ATSF 2926 group claims Amtrak would let them run from ABQ to Belen and even to Raton(though not the pass I've heard.)
>>
>>1597335
I don't think the NEC was ever even considered. It's not exactly the best place to test speed running. The only viable candidate other than Pueblo would have been the flat stretches between Chicago and Pittsburgh where they originally ran.

>>1597332
Yeah that's why building the boiler was no joke
>>
Mt. Washington cog railway
>>
>>1597442
Cog trains are cute!
CUTE!
>>
>>1597442
Shame they barely seem to give a shit about their Steam locos, and instead use those biodiesel monstrosities. I have seriously never seen anything uglier than pic related.
>>
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>>1597442
>mfw I'm hiking the App Trail and a car full of autists roll up the mountain
>>
>>1597442
The Swiss built the best looking rack locos.
>>
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>>1597442

>only one remaining MWCR steamer in operation
>the other 9 were all mothballed/scrapped because they couldn't afford the upkeep
>>
\>>1597540
Welcome to steam
>>
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>>1597197
>>1597236
They could be run between Trenton and New Brunswick. Also I think it would be good PR for Amtrak if they did do it.
Just run it on a Wednesday at noon or after 6pm when the Traffc on the NEC is lower
>>
>>1597713
also I should add, they said that they fully plan on adding PTC to the T1
>>
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And now for something completely different
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>>1597937
Nice. It's like a steam GG1
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When I was there a couple of years ago they were shut down but supposedly will reopen in 2021. They run some kind of Swiss diesels though and no steam.
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>>1597944
They ran steam occasionally up through the late 90s early 2000s. Apparently withthis new rebuild they underwent, the steam won't be able to uyilize that track whatsoever.

F
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>>1597953
ffs genuinely getting a bit upset at this. what the fuck is the point
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>>1597985
What was the X on the number board for
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>>1598012
Meant an Extra section
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>>1598198
Looks better with a silver smokebox
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>>1597937
Here's a proper passenger Garratt.

Built for Algerian railways, the CFA 231+132BT is the record holder for the fastest articulated locomotive, reaching 82mph on test in France.
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>>1598213
what a horrendously beautiful thing
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>>1598213
>passenger Garratt.
I see why those never caught on. That looks... whatever the opposite of A E S T H E T I C is...
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>>1598345
I dunno. It has kind of an ugly charm to it.
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>>1598213
>>1598224
>>1598345
>>1598351
It would look fine if it had a better nose design
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>>1598351
similar to >>1595284 imo, i like it
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>>1595141
The question is, which is more kino. (pre-super heaters or post)
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>>1598563
I'd say post
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>>1598563
>>1598566
definitely post. Just look at the behemoths that were made due to superheating.
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>>1598213
as much as I like the idea of a passenger Garratt, anyone with aesthetic sense would definitely prefer NO streamlining to... whatever that is
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Replica of the Best Friend of Charleston, first locomotive built in the U.S. in 1830
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>>1598639
gay as fuck name
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>>1598653
and what exactly is wrong with that
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>>1598654
nothing it's just gay as
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I have a soft spot for smaller articulateds/mallets.
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>>1598666
I'd like to see the one in Flagstaff, AZ run again.
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>>1598666
personally i really like this small garratt built for a uk colliery
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>>1598673
kawaii
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I'm fairlie certain that this thread needs more Fairlies
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>>1598673
Would love that one to be returned to steam, really cool looking loco. Bressingham has some really interesting stuff there, real hidden gem
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>>1598563
>(pre-super heaters or post)
What's the difference externally? Just overall size?
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>>1598697
Size and power, mostly.
Comes down to whether you like your locos petite and perky or big and brutish
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>>1598653
its best friend not Charleston's Bum Buddy
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>>1598675
CARLOS
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>>
Is there a video or a site that has clips of many different whistles and which railroad each was from?
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File: Locomotive_BR41-360.jpg (1.7 MB, 1895x1265)
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>>1598885
oil burner?
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Philadelphia and Reading, 1864
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>>1598938
Why did early locos always have their cylinders at that angle?
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>>1598922
Seems like it
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>>1598922
nah it runs on strong pornography
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>>1599256
Story behind this/translation? I didn't think the soviets ever entered an "anti-train" phase.
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>>1599413
i presume it's a safety poster
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>>1599419
Ah, that makes more sense.
I think I'm just too used to Soviet art depicting a heroic, tragic hero vs an heinous adversary.
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>>1599426
“Don’t drive collective farm’s tractor on tracks, comrade!” is my guess at what it says.
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>>1598971
because they weren't powerful enough to cause hammer blow yet. Also they where still figuring things out
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>>1599256
>>1599413
Well if we were to keep the rhyming, the top text would go something like "Close the crossing in time to keep both the train and the tractor fine!"
Bottom text: "Negligence puts both the transport and collective farms in great danger!"
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>>1599615
I just realized that the bottom text is also supposed to rhyme, but I'm not sure how to properly translate it and keep the rhyme intact. Maybe someone else will take over.
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Post articulateds doing what they do best.
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If they were 4-6-8-4, would that have solved the traction issue?
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>>1600011
Nope. The firebox extends too far down to fit driving wheels underneath.
I'm not sure what the C&O or Lima were thinking when they designed or used it. A locomotive designed for maximum horsepower at speed. So they made it incredibly heavy with a load of that weight off the drivers. Then C&O used them to plod up and down mountains.
For a mountain heavy hauler, shrinking the drivers until it became a 2-8-8-6 or even a 2-10-10-4 would reduce axle loads and boost tractive effort. Putting some form of booster on the rear truck so it could use more of that weight to pull would be ideal. The boiler is outstanding and could definitely deal with the extra demand a higher rpm needs though a pressure boost is possible with extra weight allowance more driving axles provide.
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>>1600077
Thinking about it, a shay style of booster engine with a drive shaft running along the rear bogie frame with a gearbox to each wheel would work pretty well.
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>>1600147
>diverting steam to essentially drive bogies
That's a bold strategy, Cotton.
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>>1598213
That's like... Hard Steampunk. Like someone wanted steam-powered nonsense, with a generous slathering of greebles and weld-marks.
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>>1598728
Isn't this the one that was blown up by the driver sitting on the safety valve, though?
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>>1600180
Why do you think they had starting boosters on the Lima berks? Just for show and wasting resources?
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>>1600263
No, but this is a far bigger engine, and far more steam hungry
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>>1600265
Oh, and even proportionally, there's a shit ton more weight. I dunno if boosters would for for the Allegheny.
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This was the last operating steam turbine locomotive in the world.
They were very successful and able to pull far more from the iron mines in Grängesberg than the equivalent piston driven locomotives.

https://www.youtube.com/watch?v=Z9ZcLUbQg14
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>>1600394
Why did most other turbines shit the bed? I know N&W's John Henry could pull a shitton, even more than the Y6, but it got shitcanned real quick.
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>>1600408
For the direct drive turbines, they often didn't have a transmission that could change gears. So the designers would have to choose a compromise between a high gear ratio for starting and a low gear ratio for high speed running. This is what did the PRR S2 in as the turbine used huge volumes of steam to get enough torque to start.
The Jawn Henry and the C&O turbines tried to get around this by using an electrical transmission. Unfortunately, electrics are a bad combination with coal dust, ash and water.

The Swedish locomotives had a low enough gearing for starting trains along with never needing a higher gear ratio due to their slow speed usage. This allowed them to shine as they have a smooth torque output, which is great for hill climbs and adhesion.
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>>1600408
this is specific to the Turbomotive (>>1600411 provides a bloody good explanation for others) but direct drive turbines, such as the Turbomotive, also couldn't reverse. I assume the Turbomotive's steam valve system got around the starting issue but it's inability to reverse a whole train was probably a factor in its rebuild
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>>1600453
something somewhat specific to the John Henry (but also seen on the C&O M1) was problematic boiler controls and issues with coal dust getting into the electrical equipment, resulting in APPALLING reliability
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>>1600453
turbomotive could reverse but only at slow speed and not while pulling anything
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>>1600453
>but direct drive turbines, such as the Turbomotive, also couldn't reverse
Might have misread what you were saying but the PRR S2 had a reversing drive, it was a smaller turbine on the opposite side of the locomotive from the main forward turbine
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>>1599829
>>
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>>1601260
>That little thing weighs three tons
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>>1601269
water is very heavy in bulk
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>>1598666
Same, i wish pic related was restored back to operation
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>>
Any word on when she's running her first excursion?
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Articulated camelbacks existed. Erie had three.
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>>1601719
What was the rationale behind these anyway?
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>>1601737
I don't remember but I imagine they were nearly universally disliked by crews
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>>1601737
If it's just camelbacks rationale you are wondering about, it is because of the use of lignite coal or culm for the northeastern roads. Those Wooten fireboxes are massive.
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>>1601740
It was dangerous to have the engineer and fireman separated, and if the locomotive threw a drive rod the engineer was toast. They were outlawed by the ICC in the 1920s but old ones were grandfathered in and some ran into the 1950s.
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>>1601737
Needed a very wide firebox for the type of coal they burned, so they moved the engineer forward.
Plus, there was the risk of this.
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>>1601824
Don't ask me why the image is sideways, it was the correct way when viewing it on computer.

>>1600077
>I'm not sure what the C&O or Lima were thinking when they designed or used it
Lima's superpower concept was perhaps the greatest sales tool the locomotive builders ever came up with. While it had many great applications, the 3 builders were quite eager to sell superpower locos where they were wholly unsuited (drag freights, or really anything that's gonna be low speed) to do the work that fewer, more appropriate locomotives were made for.
(1/4)
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(2/4)
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(4/4)
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>>1601827
Imagine what would have happened if they focused sales less on crazy horsepower and more on the specific jobs their locomotives would be doing. Imagine if Alco, Lima, and Baldwin essentially made Y6 clones for all the mountain work.





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