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Old 11-15-2009, 09:57 PM   #3 (permalink)
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This reminds me of the time in 9th grade when I fixed fan bearings in computers by cleaning them and the filling them with a special electric motor lubricant. It appeared to work great. Until I actually done that on my own computers, that is. It would work great for about 2 years, then the process had to be redone. They would always be full of some strange goop that made them turn slower than usual. At first, I thought it was just the lubricant drying up over time. However, about a year ago, my best friend Allie Moore pointed out that if I overfill the bearing, the balls in the bearing will create high pressure zones that cause some esters in the lubricant to break down. (She also pointed out that fats are also esters. I guess I could say that too much ester is just as bad for fan bearings as it is for hearts.)

Now I only put a drop of lubricant in the bearings. One fan I have serviced a year ago still seems to spin as smoothly as it should.
If America manages to eliminate obesity, we would save as much fuel as if every American were to stop driving for three days every year. To be slender like Tiffany Yep is to be a real hypermiler...

Allie Moore and I have a combined carbon footprint much smaller than that of one average American...
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jarre (11-16-2009)