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Rule of thumbs...
Yes, rule of thumbs are usually bad for scientific advancement. However, as you said, when you get to know your field intimately, patterns emerge and recognizing those patterns often leads to significant advancement in a field. I am one of those that tends to pick up on patterns in many things in the world. My specialty is working with steam space heating systems and general energy conservation for buildings. My degree is in Architecture from IIT-Chicago with a specialty in City and Regional Planning. Spending 6 years with some of the sharpest and most expansive minds on the planet tends to rub off good things.
From my specialty, the knowledge in fluid dynamics tends to filter in aerodynamics...so I find aero quite interesting and easy to see in the "mind's eye".
I am itching to get some testing done with the van, but in the meantime I've got brakes to fix and upgrade the single pintle injectors in my 1998 Ford Zetec Escort to new 4 holes for better atomization.
Just had the O2 sensors changed on our 2007 Jeep GC v-6 4wd and went from 21.2 highway to a little over 24 on initial tests... a nice 13% increase on a vehicle only rated at 19MPG Highway.
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