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Steam era branchline - to turn or not to turn?

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Posted by Mike Kieran on Monday, March 27, 2017 6:15 PM
True dat Larry! Just snow or freezing wind & rain coming into my face while my other side is doing a slow roast would really annoy me.

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Port Able Railway

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Posted by BRAKIE on Monday, March 27, 2017 4:55 PM

Does it pay for the railroad to put in these facilities. Does it pay to run the engine backwards at a lower speed in wages, fuel, water capacity, etc. In many cases, it wasn't the passenger traffic that paid for the passenger train but the mail that it carried (or the milk express cars).

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Mike,In the majority of the cases no..The branch may have been added by pressure from the state-you know the routine We will gladly help you and give you a tax break if you build a line to Hopesville..

As far as reverse move in foul weather concerning the engineer and fireman let us not forget the poor brakeman riding the tender deck watching out ahead or the poor brakeman riding the platform of a caboose or combine. At least the engineer and fireman had some heat to keep them from freezing..

Larry

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Posted by Mike Kieran on Monday, March 27, 2017 4:10 PM

Stix,

Don't forget that there were also 2-4-2s, 2-6-2s, and 2-8-2s in branchline service as well. The Strassburg Railroad has no turning facilities and returns back to its terminal tender first. The Boston & Main ran commuter engines in both directions because they had to get back on the main line in as little time possible.

My only caveat with running tender first is that if the cab wasn't enclosed, the engineer and fireman were driving right into the elements without anything to block them.

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Mike Kieran

Port Able Railway

I just do what the majority of the voices in my head vote on.

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Posted by BigJim on Monday, March 27, 2017 3:56 PM

The N&W would run steam engines out of the terminal tender first so that they came in engine first.

.

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Posted by wjstix on Monday, March 27, 2017 3:08 PM

One point to consider is in the 1920's a branchline would probably have like a 2-6-0, 2-8-0, or 4-6-0 running on it. The reason steam engines have pilot wheels is it helps the engine track better. 19th rail builders quickly realized as speeds increased that an 0-6-0 was more likely to derail than a 2-6-0. Trailing trucks didn't come into use until the early 20th century, so you lose the advantage of the pilot wheels when running backwards. Plus the feeling (probably correct) was that the tender was more likely to derail when running backwards than forwards.

So, generally a railroad preferred to avoid having steam engines run backwards with a train. Yes, there are a fair number of instances of it being done, but I believe railroads avoided doing so as much as possible 100 years ago. 

Stix
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Posted by Mike Kieran on Monday, March 27, 2017 1:21 PM

Bob,

I believe that the term that you're looking for is "frugal".Laugh

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Mike Kieran

Port Able Railway

I just do what the majority of the voices in my head vote on.

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Posted by FowlmereRR on Monday, March 27, 2017 10:49 AM

Once again, thanks to everybody who has contributed their time and knowledge to this. I think I've now got a very good idea of all the considerations to be made, and I shall plan accordingly.

The financial aspect was one which I'd not really thought about too much but realise that it must have been very important to the owners of the railroads in question. Certainly the President of my ficticious line was a real meanie, which is why there will be so much "repurposed" equipment bought cheap from other railroads !!

Cheers,

Bob

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Posted by Mike Kieran on Monday, March 27, 2017 9:56 AM

There are many examples of turning apparatus or none at the end of branch lines. What must be considered (besides space for turning apparatus, both on real and model railroads) is the economics of putting these facilities in. 

 

Does it pay for the railroad to put in these facilities. Does it pay to run the engine backwards at a lower speed in wages, fuel, water capacity, etc. In many cases, it wasn't the passenger traffic that paid for the passenger train but the mail that it carried (or the milk express cars).

 

Whether we like it or not, it's all about the $Benjamins$. A main reason that people put turntables or wyes in is purely personal preference (and there's nothing wrong with that).

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Mike Kieran

Port Able Railway

I just do what the majority of the voices in my head vote on.

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Posted by erikem on Monday, March 27, 2017 12:09 AM

The NP Shepherd (MT) branch just east of Billings was 14 miles long and had a wye close to the end of the branch. Milwaukee's Decorah (IA) apparently didn't have a turning facility, but was only 10 miles long - the line ended in downtown Decorah and there wasn't much room for a turning facility.

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Posted by wjstix on Friday, March 24, 2017 2:35 PM

Larry, FWIW I lived the first 48 years of my life across the street from a branch line of a railroad. The line had a turntable at the end from the time it was built in the 1910's until the railroad started buying diesels in the early 1940's, when the turntable was removed. Since then, the line has ended in a run-around track, so I grew up watching FM and Baldwin diesels running backwards half of the time. Wink(This was the Richfield-Bloomington MN "High Line" referenced a couple of times in MR under the current operator, Progressive Rail.)

The OP's layout is set in the 1920's, so I think it would be more likely to have a turntable than if it was set in say 1970. That doesn't mean not having a turntable would be wrong, just that it might be more typical to have one in the 1920's than not. Might depend on when the line was built - a line built in 1879 that was very busy in the 1880's - 1900's might still have it's old 'armstrong' turntable in 1925, even if there isn't as many trains anymore.

Stix
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Posted by BRAKIE on Thursday, March 23, 2017 12:53 PM

ACY
On Tuesday, there is work to be done at B, C, and D, but no cars to be dropped off or picked up at E. The railroad has a choice. On some lines, the engine and caboose will run deadhead to the end of the line at E, turn, and return. This might be necessary if there is some other factor. For example, maybe the only water tank is at E and the tender needs to be topped off. If there are no special reasons like that, it is more likely that the train will terminate at D, reverse direction without turning the engine, and return.

Tom,The engineer and fireman would judge the amount of water in the tender's tank and decide if they have enough to return and if its less then 40 miles and they still have 3/4s of a tank off they go home.Now if its more then 40 miles and they have a 1/2 tank then off they go to E without the caboose-no need to make unneeded work. The head brakeman will go with the engine.

As far as tender first--guess who gets the privilege of riding the deck of the tender? Yup,the head brakeman. The engineer will install his home made backrest  and ride sideways while leaning out the window but,he knows the brakeman will signal him if there is a need. Also the head brakeman will be looking ahead while the fireman attends to his fire even if the engine has a mechanical stroker he will still need to check it from time to time.

As far as a diesel turn your seat around or side ways I've seen it done both ways. When running LHF then the fireman(later the head brakeman) will be looking ahead and see things the engineer can't from his side.

Larry

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Posted by jeffhergert on Thursday, March 23, 2017 10:27 AM

FWIW, I have a Rock Island 1923 Iowa Division (east/west main plus the Keokuk to Des Moines line and branches) time table.  There are 7 branch lines listed.  The shortest is a 5 mile stub.  The rest are from 11 to 20 miles long, one having both ends junction points on other RI main routes.

The short stub has no turning facility (On the schedule page the ett does not specifiy wye or turntable, only turning facility) at either end station.  Of the 6 remaining branches, all but one has a turning facility at each end station.  One only has a turning facility at the end of the branch.  That branches' jct point on the main line is 1.5 miles from a station that has a turning facility, and is also a jct point for another branch.  The one branch that has a jct point at both ends has a turning facility at each end.

Jeff 

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Posted by ACY Tom on Thursday, March 23, 2017 9:48 AM

Here's a hypothetical:

Your branch joins the mainline at point A, and has four towns on it: B, C, D, and E. Normally, the daily local runs from A to E, turns on the wye or turntable at E, and returns home to A. On Tuesday, there is work to be done at B, C, and D, but no cars to be dropped off or picked up at E.  The railroad has a choice. On some lines, the engine and caboose will run deadhead to the end of the line at E, turn, and return. This might be necessary if there is some other factor. For example, maybe the only water tank is at E and the tender needs to be topped off.  If there are no special reasons like that, it is more likely that the train will terminate at D, reverse direction without turning the engine, and return.

It's all a matter of practicality. With very few exceptions, steam engines and diesels are equally efficient in either directions, although there may be speed restrictions for reverse operation because of an engine's ride characteristics. On most steam locos, forward visibility wasn't much better than rear visibility.  Most steam engineers operated their engines by peering ahead or to the rear from the cab side window. Of course diesel cab units have poor rearward visibility. 

Tom  

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Posted by BRAKIE on Thursday, March 23, 2017 9:06 AM

wjstix
How many branchlines had a turntable to turn the engine in the steam era? I don't know, but it apparently was pretty common. After the switch to diesels, the number went down to zero or very close to it. So the OP's 1920's branchline would very likely have a turntable or some other way to turn the engine - at least, it would be much more likely than if he were modelling 1965 or today.

Stix,There was locally own short lines that didn't have a turntable and beyond a doubt many other branch lines which includes coal branches didn't have a turntable or wye. I've read in several books once a turntable or wye was damage it may not have been repaired or if a bridge was washed out it was not replaced.

After  a flood took out the wye at Carter, Ky on C&O's "K&F" branch the stone train had to back 19 miles to Garrison, Ky. C&O elected not to replace the wye due to the diminishing stone traffic and by 1941 the branch was abandon.

Like you I don't know how many branch lines lack turntables but,I don't think it would be a small number since a lot of those branch lines wasn't making money in the 20/30s and was more then likely placed on the deferred maintenace plan...

 

Larry

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Posted by wjstix on Thursday, March 23, 2017 8:27 AM

BRAKIE
 
wjstix
Although it wasn't unheard of for a steam engine to work backwards on a branch line that didn't have a turntable or other turning facility at the end of the line, it was much less common than it would be for a line served by a diesel.

 

It may surprise you but,it was very common if you add urban industrial branches,coal mine branches,transfer runs,some short  turns that served outlaying steel mills,oil refineries,coke plants and power plants-recall that was before unit trains and a transfer job was used for these industries.

Railroads had no issues running tender first if there was a need-only we modelers has issues doing that.

 

Point I was making is, when you read the history of a railroad, you often find something along the lines of "in 1946 the railroad ordered 10 Alco RS-1 road switchers. These diesels allowed the railroad to eliminate six turntables located at the end of various branchlines."

How many branchlines had a turntable to turn the engine in the steam era? I don't know, but it apparently was pretty common. After the switch to diesels, the number went down to zero or very close to it. So the OP's 1920's branchline would very likely have a turntable or some other way to turn the engine - at least, it would be much more likely than if he were modelling 1965 or today.

Stix
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Posted by Mike Kieran on Wednesday, March 22, 2017 7:43 AM
What kind of operations do you plan for the branch line?

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Posted by FowlmereRR on Wednesday, March 22, 2017 7:23 AM

dehusman

It also depends on that the engine does at the "beginning" of the branch, the junction with the "main line".  Does it terminate there or does it continue onto the main line and terminate at a yard on the main line?  I can pretty much guaruntee that they would not have a steam engine running backwards for any extended distance on the main line because of the speed penalty.  Is there a turning facility at the junction with the main line?

 

A very good point. The branch I have in mind leaves the "main" part of the layout at a small interchange yard where there is also a depot and a couple of small industries, and a small loco service with turntable. So I could very well just run down the branch from there to deliver the milk or whatever, and reverse back again.

 

Anyway - thanks to everybody who has contributed. All of this is feeding in to the plan, and when I start building (hopefully middle of next year) I shall journal my efforts here.

 

Bob

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Posted by BRAKIE on Tuesday, March 21, 2017 7:17 PM

ACY

The Huntingdon & Broad Top Mountain RR in Pennsylvania had several coal branches with switchbacks, steep grades approaching 5%, and no turning facilities. In order to switch the mines at the ends of those branches, the H&BT's 2-8-0's had to spend some time on descending grades. I'm sure they must have been careful to keep the boiler very full, and limit their time on the downhill stretches. It must have been quite a challenge for the fireman. 

Tom

 

C&O had several switchbacks on mine branches in W.Va and Western Virginia. I'm sure you will find switchbacks on CRR,Southern and L&N in the Appalachian coal fields.

Larry

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Posted by ACY Tom on Tuesday, March 21, 2017 6:05 PM

The Huntingdon & Broad Top Mountain RR in Pennsylvania had several coal branches with switchbacks, steep grades approaching 5%, and no turning facilities. In order to switch the mines at the ends of those branches, the H&BT's 2-8-0's had to spend some time on descending grades. I'm sure they must have been careful to keep the boiler very full, and limit their time on the downhill stretches. It must have been quite a challenge for the fireman. 

Tom

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Posted by dehusman on Tuesday, March 21, 2017 2:20 PM

A lot of it depends on how far the engine had to go and at what speed.  A steam engine going backwards generally was limited to 10-20 mph max.  If its a 45 mph  branch then going backwards would be a problem.  If its a 10 mph  branch then there is no speed penalty forwards or backwards. 

It also depends on that the engine does at the "beginning" of the branch, the junction with the "main line".  Does it terminate there or does it continue onto the main line and terminate at a yard on the main line?  I can pretty much guaruntee that they would not have a steam engine running backwards for any extended distance on the main line because of the speed penalty.  Is there a turning facility at the junction with the main line?

If the branch is short (less than 10 miles) and low speed (15 mph or less) then running backwards is not a big deal.  If the branch is long (25-100 miles) and higher speed (25-45 mph) then they would probably have a way to turn the power.  If the branch handled passenger service they probably would be more likely to turn the power.

 

Dave H. Painted side goes up. My website : wnbranch.com

NDG
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Posted by NDG on Tuesday, March 21, 2017 1:28 PM

Thank You

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Posted by BRAKIE on Tuesday, March 21, 2017 12:56 PM

FowlmereRR

Thanks everyone for the very useful information. I think I'll try to incorporate an Armstrong turntable if I can, because I like seeing turntables in operation, but if not then at least a run-around so that the engine can run tender first at the right end at least!

 

Here's a little trick the railroaders would use..If there was no rules stating the engine had to be turn the crew may elect to return tender first or just make a reverse move with combine or caboose lead.

The crew knew that the armstrong turntable may be hard to turn due to the lack of maintenance just like the rest of the branch.

What about the poor engineer's back or neck from being twisted around? No problem..Many engineers made a back rest so they could set sideways in the seat.

Larry

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Summerset Ry.


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Posted by BRAKIE on Tuesday, March 21, 2017 12:45 PM

wjstix
Although it wasn't unheard of for a steam engine to work backwards on a branch line that didn't have a turntable or other turning facility at the end of the line, it was much less common than it would be for a line served by a diesel.

It may surprise you but,it was very common if you add urban industrial branches,coal mine branches,transfer runs,some short  turns that served outlaying steel mills,oil refineries,coke plants and power plants-recall that was before unit trains and a transfer job was used for these industries.

Railroads had no issues running tender first if there was a need-only we modelers has issues doing that.

 

Larry

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Summerset Ry.


"Stay Alert, Don't get hurt  Safety First!"

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Posted by maxman on Tuesday, March 21, 2017 12:20 PM

doctorwayne
I'm guessing that maxman meant to say "crownsheet"

Yes, you are guessing correctly, that is zactly what I meant.  Thanks for the correction/clarification.

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Posted by FowlmereRR on Tuesday, March 21, 2017 10:27 AM

Thanks, Wayne. That makes a lot of sense. I'd taken "slope sheet" as being tender-related too, and hence couldn't make sense of the comment.

Agreed that a boiler explosion would be a tad unpopular back at the depot!

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Posted by doctorwayne on Tuesday, March 21, 2017 10:23 AM

FowlmereRR

  maxman

You might have to back down to keep the water level above the slope sheet.

Hmmm - it's "show my ignorance" time. Can you explain the slope sheet and hence your comment, please?

I'm guessing that maxman meant to say "crownsheet" which referred to the top of the firebox (inside the boiler).  If the waterlevel in the boiler drops low enough to expose the crown sheet, the heat in the firebox will weaken the steel to a point where the steam pressure in the boiler will cause it to rupture.  When that occurs, all of the water in the boiler will instantly turn to steam due to the pressure drop.  This is known as a boiler explosion.
The slope sheet is usually used in reference to either a coal tender or an open hopper, and is, literally, a sloping sheet which directs the coal to the outlet doors in a hopper, or to the deck plate or stoker screw in a tender.

As for steam on branchlines, the CNR had many in southern Ontario where there was a turntable at the end of the line, often simply sitting in a field with no other structures nearby.  These were sometimes an armstrong-type, but many had an air-operated mechanism, to which the locomotive's brake hose could be connected, thereby powering the turntable. 

Wayne

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Posted by FowlmereRR on Tuesday, March 21, 2017 9:48 AM

maxman

You might have to back down to keep the water level above the slope sheet.

Hmmm - it's "show my ignorance" time. Can you explain the slope sheet and hence your comment, please?

 

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Posted by maxman on Tuesday, March 21, 2017 9:32 AM

How steep is the grade getting up to the end of the line?  You might have to back down to keep the water level above the slope sheet.

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Posted by Mike Kieran on Tuesday, March 21, 2017 9:24 AM

It's all about what floats your boat. If a line didn't have a runaround at the end (maybe it was truncated), the train might return caboose first.

The crew may have found it easier or quicker to also go caboose first.

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Mike Kieran

Port Able Railway

I just do what the majority of the voices in my head vote on.

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