One of the best things about meeting other people with Sprinter vans is their approach to life - they're always down for outdoor fun. Wanna go climb? Trail run? Shoot waterfall photos for an afternoon? Yes to all said (His van'
Waterfall Project Management approach, applied to software projects. Uses the same basic project structure as OnlinePMCourses, with subtly difeferent terminology. I don't know about the time estimates, but it's a useful start oint.