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- Nov 16, 2015
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The Pitts manual shows the incidence angles should be +1-1/2 deg for the upper wing (this is handwritten over what might be a 2 under the scribble mark), 0 for the lower and +1 deg for the HS. Mine measure 0 for the upper wing, -1 for the lower wings and +1 for the tail. My rigging boards are as close to parallel to the chord line as I could do by using the wing rib template drawing.
From my understanding the actual incidence of the wings is not as important as the relative incidence between them. The upper is 1 deg > the lower and this seems okay to me. Am I correct in this assumption? My concern is the tail. Even though it's correct according to the book it's not consistent with the wings. Is this just a trim issue or a stability issue or not an issue? This is another one of those places where I don't know what I don't know.
Phil
From my understanding the actual incidence of the wings is not as important as the relative incidence between them. The upper is 1 deg > the lower and this seems okay to me. Am I correct in this assumption? My concern is the tail. Even though it's correct according to the book it's not consistent with the wings. Is this just a trim issue or a stability issue or not an issue? This is another one of those places where I don't know what I don't know.
Phil
