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This is the "protractor" I
used to measure the center point of each servo (or the distance right and
left of center) as well as the sweep. The pointer is 1/8x1/4" spruce
and is attached to the Nelson servo arm with 4-40 socket head cap screws. |
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A slightly closer view.
Notice the 1-degree graduations between 70 and 120 degrees. |
| Servo Matching |
This is the Excel spreadsheet
that I used to capture the results. The averages are simply to see
if the servos are close in terms of the distance between left and right
center (16 degrees) and total sweep (120 degrees). Click on the link
at left to download. |