We ran our Overdrive shooter with just one motor and no other actuation. Able to reload in approx 1.5 seconds, if I recall correctly (with a whole lot more stress on it than this year requires).
Here's a pic of it engaged and ready to fire:
http://www.chiefdelphi.com/media/photos/31538
Here's a pic of it unloaded:
http://www.chiefdelphi.com/media/photos/31539
Extremely efficient and simple, just have to grasp the concept. Feel free to ask any other questions.