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The discussion on the thread about replacing the stamped-steel coal load on the Legacy PRR S-2 triggered the idea outlined below for a moving coal load.  I am interested in any ideas and thoughts, particularly from anyone who has ever seen or built something like this: a coal load that would gradually "empty itself" as the loco ran, then refill (diagrams sort of explaining, below).

 

And no, I am not going to try to build this.  My guess is that I could build a good working version on the fourth try, not before: yes, it's simple but that is what worries me - its bound to be fraught with lots of messy details to get just right.  It would take too much time for something I'd like to have but not so much as to devote that much time away from all the other projects I have on my list: this is something I will leave to the manufacters, with their design teams and factory Cad systems.  But I would pay good money to buy one that properly engineered and built by a manufacturer.  Oh would I!

 

I'll add that Lionel and MTH might consider that I have bought just about every model steam locomotive on my list now, and have no plans to replace them with newer stuff unless more and better new features come along: swinging bell and whistle steam are good but will not motivate me to buy a Vision Big Boy to replace my JLC Big Boy.  But a depleting coal load?  Probably.  A depleting coal load and moving fireman and engineer figures.  Definately.

 

The idea is a coal load that can telescope and tilt inside the tender.

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The manufacturer would offer a compatible animated coaling station.  When the loco pulled the tender under the coaling station, accompanied by appropriate local loading sounds, the telescoping coal load would rise to the top: full load.

Slide2

As the loco runs, the coal load slowly, slowly telescopes down, initially dropping more in front than at the rear, as would normally be the case of a slowly depleting coal load.

Slide3

Eventually it would reach near empty. 

Slide4

At which point if the loco was not returned to the coaling station, the loco would stop.  There would be switches to turn the coaling feature on and off and also control a feature that stopped the loco running if it ran out of fuel.  Onboard electronics would vary "fuel use rate" with speed, load, etc.

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Lionel already does this on the latest Legacy engines.  While the engine is running, push AUX1 then 2 (or crew talk) and it will tell you speed and Coal, Oil, or water level. It changes depending on speed, labor, and distance. I believe the sensor track takes note of the levels as well.
 
So you are already half way there.
 
Originally Posted by Lee Willis:
  Onboard electronics would vary "fuel use rate" with speed, load, etc.

 

 

I have suggested this to Lionel several years ago and have listed the idea on the forum as well.  I really wish they would implement this.

 

You'll need a simple track for the coal pile to ride up and down on.  Micro switches at each end of the track so the motor knows when to stop.  The engine could track how many miles have run and then send a signal to the tender to drop the coal load one notch.  The motor would then move the coal pile to the next level.  Once it reaches the bottom, it would trigger the micro switch so it would not continue to try and lower the coal pile.

 

Lionel could then make a coal accessory to go along with this feature.  The engine would pull up to the coal loader.  Press a button and the coal pile would raise back up to full load. 

 

I think the coal load should also be controlled via the Legacy remote so the users can move the coal pile up and down manually.

Originally Posted by MartyE:
Lionel already does this on the latest Legacy engines. 

 

As I understand it, the coal load doesn't move but the loco reports its status.  Does it actually stop if it runs out of fuel?

 

All of these are good ideas, guys.  I'm encouraged that others think this is something wroth Lionel pursuing.  The more "things" these toy trains do, the more fun they generate.

make a working stoker screw

 

That's an interesting way of emptying the coal load.  It would be more realistic for the dropping coal load.  My only concern with that method is a possible jamming of the stoker.  Your way may be easier to make since there is no track involved to raise and lower the coal.  Its a simple motor running forwards and backwards to move the coal from one visible bin to the hidden one.  As long as there is room for the two bins it may provide a better affect as your way really empties the coal and users could send the stoker working when empty.

 

No it does not stop the engine or drop the coal load.  As I said, based on the line of text I quoted from your post, it does report the fuel levels though.
 
Originally Posted by Lee Willis:
Originally Posted by MartyE:
Lionel already does this on the latest Legacy engines. 

 

Originally Posted by Lee Willis:
  Onboard electronics would vary "fuel use rate" with speed, load, etc.

 

 

Lee,

 

MTH produced a hopper car, with an operating coal load, which was cataloged in 2001.  It has a flexible rubber coal load, which is piled high in the hopper.  When operated on an operating track the coal load lowers down in the hopper, as if it were being emptied.  Of course, the rubber coal load looks like a rubber coal load, but it is still a novel operating car.  It came in both PR and Virginian road names.  If the coal load could be given a more realistic appearance, I think this would do what you are looking for in a tender.  I have one of these cars, but I have never opened it up to look at the mechanism.

 

George 

Lee you get points for thinking outside the box. As for a moving coal load, the more features/functions you add the more expensive and less reliable the locomotive gets.

 

If you limit locomotive funtionality based upon runtime since "fueling", that would be really neat. This could be implemented with software only. The Lionel break-down "B" unit operated something like this. While you're at it, you could have the crew flipping out because they were running out of water. A slight modification to the MTH crash sequence could have the boiler exploding.

 

Gilly

Originally Posted by GNK:

Lee,

 

MTH produced a hopper car, with an operating coal load, which was cataloged in 2001.  It has a flexible rubber coal load, which is piled high in the hopper.  When operated on an operating track the coal load lowers down in the hopper, as if it were being emptied.  Of course, the rubber coal load looks like a rubber coal load, but it is still a novel operating car.  It came in both PR and Virginian road names.  If the coal load could be given a more realistic appearance, I think this would do what you are looking for in a tender.  I have one of these cars, but I have never opened it up to look at the mechanism.

 

George 

What about a black rubber membrane that has real coal glues to it. The rubber membrane could have a loop on the bottom side that the mechanism  could draw down on to give the simulation of the coal emptying out the tender chute.

Lee, check your tender electronics 1st to see if you have any room to play with.

"If" you actually do, my thoughts would be a slight downward slide for the back of the coal load, then it would stop...1/4"....and pivot while the front end of the load drops as far down as it can giving you an angled unloading which I think was prototypical...{I wasn't there then so I don't know}. Instead of an electric motor...why not take a step a tad more left field and think about an air bleed system...pump it up to full and let it bleed down at a setable rate till empty...

Originally Posted by CSX Al:
Originally Posted by GNK:

Lee,

 

MTH produced a hopper car, with an operating coal load, which was cataloged in 2001.  It has a flexible rubber coal load, which is piled high in the hopper.  When operated on an operating track the coal load lowers down in the hopper, as if it were being emptied.  Of course, the rubber coal load looks like a rubber coal load, but it is still a novel operating car.  It came in both PR and Virginian road names.  If the coal load could be given a more realistic appearance, I think this would do what you are looking for in a tender.  I have one of these cars, but I have never opened it up to look at the mechanism.

 

George 

What about a black rubber membrane that has real coal glues to it. The rubber membrane could have a loop on the bottom side that the mechanism  could draw down on to give the simulation of the coal emptying out the tender chute.

Or, run oil fired locomotives and not worry about it...

Rusty

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