OMG!
That attachment is from the SE4 version of this mod! Holy Crap Batman! Ha-ha-ha-ha-ha-ha-ha... let me get my breath...
Ok, sorry man but development of the SE4 version was dropped long ago. I didn't even know there were any copies out there. This is the SE5 version of the Mod and if you haven't bought SE5 to try it out, you're missing out! SE4 just didn't allow me flexibility to make the mod the way it should. With SE5 I finally have all the tools I need. At least now I understand why you asked about HT17 and HT18. They were only progressions of components already developed. I think ECM was one at HT18 and EC-CM at HT17. I decided to cut the TC off at HT16 where the last of the new items are developed. That meant shifting the LN, JG, BS9, BS10, FT14, and FT15 hulls down to go into the new cutoff. The following changes were made, and I am assuming that you know what the abbreviations stand for, if not let me know.
Moved up from IND2 to HT1: SS
Moved down from HT16 to HT15: LN, BS9, and FT14
Moved down from HT18 to HT16: JG, BS10, and FT15
Some components were also moved to fit house rules
Sorry about that my friend please ask any questions you may have; I will understand where you are coming from but I strongly encourage you to download and try the SFTC for the hard-core experience (which I suspect you want) or the SFTC-Lite for a more mellow SE Series feel.