[Chris is me]

Disclaimer: I haven't built a whole Tetrix robot, was in FTC before that, but I think a lot of this team organization stuff still applies.

For my FV/TC team, we started out with your schedule, but then moved to a more concentrated schedule, more time in less days. We'd have 4 hour build sessions, as much shorter than that we'd spend too much time planning relative to building, and you could see more progress made on a daily basis, which was pretty motivating for all of us. It was best to exploit weekends (Late Saturday morning - Early Saturday afternoon sessions were the most productive) for full team meetings, then usually weekdays you came in if you had something specific to work on (the drivetrain team would build on Tuesdays, I'd work on the manipulator Wednesday afternoons, programmers worked Thursdays). They don't have to be separate days but it might be easier on schedules if you are.

This was much better for my team than meeting for 2 hour chunks twice a week, where it seemed like there was barely any time for anything to get done.