Please Help, Advice Needed

[wizardmatt]

To cut a long story short, I want to go through every data\Sea\SHIPFOLDER\SHIP.sim file in my install and modify them. The reason is that there seems to be little consistency in how the variables "Mass" and "Displacement" are applied. I've observed this inconsistency consistently, even in the relatively small sample I've looked at. Sometimes Mass has a value and Displacement has a value; sometimes Mass has a value and Displacement is zero; and sometimes Displacement has a value and Mass is zero. In addition, sometimes, in the ship's data\Sea\SHIPFOLDER\SHIP.cfg file, the Displacement variable therein has yet another value.
Hence my confusion. My instinct is that neither Mass nor Displacement should be zero. So, if there are reasons otherwise, what are they? And, if I decide to trust my instinct and give both Mass and Displacement positive values, what should the relationship/ratio between them be? I'm no engineer, but I can visualise circumstances where Mass would be greater than Displacement, and vice versa.
Any advice and/or insight would be greatly appreciated :Kaleun_Salute:

[mikey117us]

Have you tried this App? It works on ships 500 tons and up fixing values in sim files for drag displacement mast hight center of gravity etc. http://www.subsim.com/radioroom/showthread.php?t=204399

[mikey117us]

Never mind just saw your post on that thread!

[wizardmatt]

Never mind just saw your post on that thread!

Heh yes, that's how I stumbled upon the issue in the first place. Thanks anyway :up:

[wizardmatt]

Stiebler to the rescue, from a discussion in the MFM Mod thread:-

The tankers, in their .sim files, all seem to have values of 11000 for the ship mass regardless of the displacement stated in their cfg files.
Much more serious is the fact that *some* of the tankers have values of 900000 for their surfaced displacement, in the same .sim file. This value should be set to zero (then the value from the cfg file will be used).

In addition, AM01A has mass=0 (change it to 10000), AO01A and AO02A have surfaced displacement = 900000 (change to 0), likewise O01B and O02A have surfaced displacement = 900000. Again change to 0. All these values can be found in the SIM files of the ships.

Stiebler.

So, if we take Stiebler's approach at face value, then Mass (in the SHIP.sim file) should always be a positive value, and Displacement (in the SHIP.sim file) should be zero, which then causes the game to use the Displacement value given in the SHIP.cfg file. Problem solved! Now I just gotta do it