On a general note, I'm slowly delving into T5, and really, it's an astounding document. Anyone who hears "Beta" (or Alpha, or whatever), and thinks "slapdash draft file" should reconsider. It's anything but that.
Actually, that's the impression I got from my copy of T5. I am very, very glad to learn it's a beta, because it looks like one - there are typos and errors and textual infelicities galore. But...
...what a beta. The scope is tremendous. The basic task system gives you the wheel, lever and inclined plane, but by halfway through the text we're dealing with high-bypass turbofans quickly and elegantly.
I'm redesigning some of my old High Guard starships with the T5 system. I'll post them here in the private forum, if that's permissible.
--Devin