Problems (again,I HEAR YOU ASK.

Well I've had this problem before on another Route, but today I decided to have a go on an old favourite of mine, Lo and behold it's problem time again..

Firstly I did an Act that worked great, then decided to do Act two (The London connection). All set up great,Reverser to 65,brakes released, Open Throttle, thats where it went wrong
I had only started to open the Regulator when I found myself doing in excess of 100 mph, and it wouldn't stop.

Oh well I can put that down to its a very old Sim and OR just doesn't like it. (the same thing happens on one act in Cannock Chase but all the others work.)So on to another Act,

Christmas delivery Pt 1. Works great,I'm even running to time, when about a Mile out of BNS there's a complete (with engine) Train in front of my.So having plenty of room I stop,try giving it a Nudge only to find like before I can push it all the way into New Street, Act completed 5 mins late.

I'm beginning to think OR is not good for me !

Hi Both

According to the CTN "Open Rails Steam Parameters" Steam Cylinder section states that Cylinder Stroke and Cylinder Diameter both default to meters where no UoM is specified. No wonder 45519 went fast with cylinders that size!!!

www.coalstonewcastle.com.au/physics/steam-set/

Cheers

Terry

Morning Ged

Yes it does a lot of good work for us but can't spot a HUGE cylinder at 30 paces!!!

TW

Thank you Ged that did the trick on Black Country, it's now sorted. This led me to think on an Act from Cannock Chase that did exactly the same, and upon looking I found it was the same Loco. So that's two sorted for the price of one ...Roger

There are at least three iterations of 45519 in the MSTS library:
NS_BR_Patriot_45519_BLW
CC_5XP_45519_BLW
BR_Patriot_45519_BLW
All have the same cylinder diameter of 18 and need correcting. They are of course essentially the same file renamed.
Jonathan

Hi Again Ged

Further to your discovery of the fault affecting CC_Patriot_45519_Black (and others) I spent a little time collating the following data from where else but the OR log, generated at run time.

The data truly shows the wild figures that the missing "in" was causing and of course the jet like acceleration of the loco.

I am not sure if your fault finding was based on inspection of the OR log but lines 1c 1e and 1g do contain some 'over the top' figures!!


There are three lines of data for each value generated as follows:-


Lines commencing with the figure 1 represent values from the original .eng file as downloaded with fault.

Lines commencing with the figure 2 represent values from the original .eng file as downloaded with fault rectified ie "in" inserted.

Lines commencing with the figure 3 represent values from the my own .eng file.


Information: Version - U2022.02.14-1551
Information: Locomotive Name - CC_Patriot_45519_Black (and others)

1a Information: Steam Locomotive Type - Not formally defined (assumed simple) locomotive. + Not formally defined (assumed superheated)

2a Information: Steam Locomotive Type - Not formally defined (assumed simple) locomotive. + Not formally defined (assumed superheated)

3a Information: Steam Locomotive Type - Simple locomotive + Superheater

1b Information: WheelRadius 3.38 ft, NumWheels 1, DriveWheelWeight 80.8 t-uk

2b Information: WheelRadius 3.38 ft, NumWheels 1, DriveWheelWeight 80.8 t-uk

3b Information: WheelRadius 3.33 ft, NumWheels 3, DriveWheelWeight 63.0 t-uk

1c Information: Boiler Volume 407,737.3 cu ft, Evap Area 3,384,220.0 sq ft, Superheat Area 846,055.0 sq ft, Max Superheat Temp 250.0 F, Max Boiler Pressure 200.0 psi

2c Information: Boiler Volume 651.8 cu ft, Evap Area 2,183.4 sq ft, Superheat Area 545.8 sq ft, Max Superheat Temp 250.0 F, Max Boiler Pressure 200.0 psi

3c Information: Boiler Volume 296.0 cu ft, Evap Area 1,735.0 sq ft, Superheat Area 365.0 sq ft, Max Superheat Temp 210.0 F, Max Boiler Pressure 200.0 psi

1d Information: Boiler Evap Rate 15 , Max Boiler Output 5.07633E+07 lbs/h

2d Information: Boiler Evap Rate 15 , Max Boiler Output 32750.45 lbs/h

3d Information: Boiler Evap Rate 15 , Max Boiler Output 26025.01 lbs/h

1e Information: Num 3, Stroke 26.0 in, Diameter 708.7 in, Efficiency 1.0, MaxIHP 2,770,166.0

2e Information: Num 3, Stroke 26.0 in, Diameter 18.0 in, Efficiency 1.0, MaxIHP 1,787.2

3e Information: Num 3, Stroke 26.0 in, Diameter 18.0 in, Efficiency 1.0, MaxIHP 1,348.0

1f Information: Port Opening 0.085, Exhaust Point 0, InitialSuperheatFactor 40

2f Information: Port Opening 0.085, Exhaust Point 0, InitialSuperheatFactor 40

3f Information: Port Opening 0.085, Exhaust Point 0, InitialSuperheatFactor 40

1g Information: Grate - Area 67,684.4 sq ft, Limit 138.9 lb/sq ft

2g Information: Grate - Area 43.7 sq ft, Limit 138.9 lb/sq ft

3g Information: Grate - Area 30.0 sq ft, Limit 165.1 lb/sq ft

1h Information: Fuel - Calorific 14359.42 btu/lb, Max Firing Rate 30000.27 lbs/h Max Coal Load 12319.98 lbs

2h Information: Fuel - Calorific 14359.42 btu/lb, Max Firing Rate 30000.27 lbs/h Max Coal Load 12319.98 lbs

3h Information: Fuel - Calorific 13600 btu/lb, Max Firing Rate 3000.027 lbs/h Max Coal Load 12320.02 lbs


All the best for now

Terry

Hi Ged

I had spent some time doing much the same as yourself only with my copy 45519 which I knew worked ok in OR and MSTS.
Then you posted your solution which I immediately tried and as it cured the problem set the investigation to one side. It was only after your post :-

"However, wouldn't you have thought that Open Rails is 'clever' enough to calculate that a boiler of the specified size couldn't maintain a supply of steam to such gigantic cylinders?!"

that I thought about the log file and decided to take a look to see what data the errant loco .eng file reported. Hence my last post, just as an exercise and for information that may be of interest to others.

Cheers

Terry