Here's the link this week's seminar, Drivetrain Design, by Ben Bennett, taking place on October 22nd at 9:00 pm.
https://www.youtube.com/watch?v=ADcqUWYyHgk
This presentation takes a deep dive into drivetrain design, giving an overview of different drivetrain types, analysis of how to select a drivetrain type, and the physics behind FRC drivetrains. It's highly recommended for any up and coming FRC designers!
You can always find a link for the upcoming live seminar at:
http://www.simbotics.org/seminars