Jess, here are some of your data files

Conductivity Measurements.xls

jh1.txt

jh2.txt

jh2.xls

jh3.txt

jh4.txt

You may want to "borrow" this spreadsheet too since it has a lot of the data on it.

Note that is incorporates the correction factor for the shaft area. (we did that in jh3 I think and jh4 I know

Ugrad/ECIV 490/OS00n5.xls

I'll have some more outline filler/references for you here too.

Here are some pics of the last test. The movies turned out rotten...I didnt set it to highest resolution.

Some more pics below of the equipment...and a little movie for your dad==>magneto de-fluxer (if he knows what this guy is talking about, seek medical attention immediately!)