Translations:FreeCAD-Ship s60 tutorial (II)/10/en

Weights definition tool can be used to set first category of weights. When you launch the tool for first time (with ship instance selected), FreeCAD-Ship initialize ship weights with Lightweight ship (equal to ship displacement) that is placed on ship geometry centre of gravity X coordinate, and at design draft height. Usually you have at least, 2 relevant weights:
 * Structure.
 * Main engine (or several of them).