Engineered Systems, Mar. 2014, by Gary Hamilton.
http://digital.bnpmedia.com/publication/?i=198332&p=40

"Who actually specified that motor? Did they keep the entire system in mind or were they simply specifying one component at a time? And will that spec require over-speeding the motor? Answers to the first two questions frequently aren’t what they should be these days, and the fallout from over-speeding isn’t so great, either. We can do better."