[C44-9W]

The Data Logger currently uses hard-coded units for the train physics data. I am proposing to change that to use the units as configured in the general options. I am not very familiar with steam locomotives, and need some guidance on what units to use.

The general options are: metric, imperial US, imperial UK, route (units from the route), player's location (units the operating system uses).
There is a separate option for pressure: bar, psi, inHg, kgf/cm², automatic (based on the units used in the cab view config).

Besides the above, the Data Logger will also support "internal". This indicates to use the units that the code uses, not doing any conversions. This is useful to compare captured data while actively debugging.

So, to the steam specific data in the data logger:

Parameter                 	Internal   	Currently   	Proposed (based on setting)      Question 
ITE (Motive Force)            Newton     	pound-force 	Newton / pound-force 
IHP (hp)                      horsepower 	horsepower      Watt / horsepower                The name implies HP; should it always be HP, or PS for metric? 
Drawbar TE (tractive effort)  pound-force    pound-force 	Newton / pound-force 
Drawbar HP                    horsepower 	horsepower      Watt / horsepower                The name implies HP; should it always be HP, or PS for metric? 
Coupler Force             	Newton     	pound-force 	Newton / pound-force 
Loco+Tender Resistance        Newton     	pound-force 	Newton / pound-force 
Train Resistance              Newton     	pound-force 	Newton / pound-force 
Train Load (t-uk)         	kilogram   	tons-uk     	metric-tonnes / US-or-UK-tons 
Boiler Pressure           	psi            psi         	based on pressure unit settings 
Steam Chest Pressure          psi            psi         	based on pressure unit settings 
Initial Pressure              psi            psi         	based on pressure unit settings 
Cutoff Pressure           	psi            psi         	based on pressure unit settings 
Release Pressure              psi            psi         	based on pressure unit settings 
Back Pressure             	psi            psi         	based on pressure unit settings 
MEP (mean effective pressure) psi            psi         	based on pressure unit settings 
Superheat Temperature     	Farenheit      Farenheit   	Celsuis / Farenheit 
Steam Consumption         	pounds/sec 	pounds/hour 	kg/hour / pounds/hour 
Water Consumption         	pounds/sec 	pounds/hour 	kg/hour / pounds/hour 
Coal Consumption              kilogram/sec   kilogram/hour   kg/hour / pounds/hour 
Cumulative Steam Use          pounds     	pounds          kg / pounds 
Cumulative Water Use          pounds     	pounds          kg / pounds 
HP MEP                        psi            psi         	based on pressure unit settings 
LP Initial Pressure       	psi            psi         	based on pressure unit settings 
LP Cutoff Pressure            psi            psi         	based on pressure unit settings 
LP Release Pressure       	psi            psi         	based on pressure unit settings 
LP Back Pressure              psi            psi         	based on pressure unit settings 
LP MEP                        psi            psi         	based on pressure unit settings 

Any comments, concerns or questions?


Roger