I had the same problem when trying to use Lane 1's method.  Just read it over ONE STEP AT A TIME, and it will click.  Take your time, and don't look ahead.
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Here's the steps:


1. Start with an un-drilled ball, draw a line through the label, centering that line with the quarter scale. (fig. 1)

2. Balance scale until it reads zero.

3. Rotate ball 90 degrees. (fig. 2)

4. Shift ball left or right, until the scale balances.

5. Center quarter scale on ball and draw a perpendicular line intersecting previous line. (fig. 3)

6. Rotate ball 90 degrees. (fig. 4)

7. Shift ball left or right, until the scale balances.

8.Center quarter scale on ball and draw a perpendicular line intersecting previous line. (fig. 5)

9. Rotate ball 90 degrees. (fig. 6)

10. Shift ball left or right, until the scale balances.

11. Center quarter scale on ball and draw a perpendicular line intersecting previous line. (fig. 7)

12. Connect corners of box. (fig.

13. X Marks the center of gravity.





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In #2, what does that mean? Balance the weights until it measures 0, or just try to get the "meter" (or whatever it's called) on the right side to balance it self out and be "even"?

Does it matter how close/far the first line is from the CG marking on the actual ball as a starting reference point?