ah, I see now. my suspicions were confirmed
.
these lines causes the design minister to makes illegal designs:
Misc Ability 12 Name := Standard Ship Movement
Misc Ability 12 Spaces Per One := 45
That will cause to 'fill' the design with engines. I assume you got that from a mod with quasi-newtonian-propulsion (QNP) like Proportions or P&N Mod.
I suggest deleting these lines from all designs. Does your mod have QNP also? In that case I would raise the 'Desired speed' to 255. If I recall correctly that will make the designs as fast as possible without making them illegal or causing errors.
Hope that helps,
Rollo
PS: a sidenote... IIRC, 'Minimum Speed' is better understood as 'Minimum number of engines' that are placed in a design. whereas 'Desired Speed' takes into account the standard movement points of the engines used. In the unmodded files all engines provide one standard movement, so speed and number of engines are the same. In some mods engines produce more movement points. For example, desired speed of 40 might give you 8 engines with 5 standard movement.
Hope all is clear now... if not, ask again
