And why would Scott need to pull anything out of the Excelsior transwarp computer if he was convinced the technology wouldn't work?
Star Trek III wrote:
SCOTT: Aye sir. The more they over-think the plumbing, the easier it is to stop up the drain. ...Here, Doctor, souvenirs from one surgeon to another. I took it out of her main transwarp computer drive.
So not even the regular
warp drive would work...
With respect to the transwarp drive questions, I'm to chalk any issues here up to TSFS not
being a perfect movie!