Originally Posted by bobg56
Is the preferred pitch setting 71.5 on a 3 Blade as well?
KAI Section 47AiS/U has all of the details regarding the recommended pitch angle value.
Available here - https://www.vansaircraft.com/service...sions/47ais-u/
Note, you have to use the complete measurement procedure as detailed in the document, for the pitch value to be valid.
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RV-6A (aka "Junkyard Special ")