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Registered
Join Date: Feb 2004
Location: Decatur/Madison, Alabama
Posts: 1,192
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How about the right hand rule for 3 dimensional coordinate systems?
Curl your fingers of your right hand in the direction of the earth's rotation and the thumb points "up" to the positive vertical axis. This ends up being North.
I guess it's just another wrong solution that hasn't been pointed out yet......
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Rob Channell
One Way Motorsports
1979 911SC mostly stock 
1972 911T Targa now with a good 2.7 
1990 Miata (cheap 'n easy)
1993 C1500 Silverado (parts getter)
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