Peter,
I can't really tell if you're trolling or not. LOL.
If I do a search for this covered in other threads, I will be reading my own posts. As far as I know, I was the first person on these forums to do rotational inertia equations and graphs for both ballscrews and rack and pinion to target a desired linear acceleration.
Just looking for a couple of opinions from the OP about his design concept that is uncommon. Not looking to take over his thread or make enemies .