The holes are more likely to be for attaching and adjusting the linkage, the fact that there's so many of them is to adjust movement set by the throttle.
The position of this set the props rpm limit and the governor controls the overspeed/underspeed condition of the propeller.
The holes are not related to the pitch angles
"The propeller governor maintains a constant engine speed by controlling propeller pitch. Engine speed is selected by a cockpit control connected to the governor speed control shaft."
EDit
Shoshi Tiger had explained it well enough.
Last edited by KG26_Alpha; 11-28-2009 at 05:53 PM.
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11-28-2009, 05:38 PM
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