schedule, roughs in ten weeks?

I'm wrapping-up first outlines of all chapters today or tomorrow. The first outlines are on 18" X 24" paper and are mostly a list of points to be made. They are not necessarily organized.

Minus the five or so chapters that will take more time, I am hoping to be able to rough four per week of the others. It's ambitious, but I want to get this done and available to the readers in a timely manner.

Is it too ambitious to have everything roughed in ten weeks?