proppastie
Well-Known Member
General aerodynamic question: We have data for standard roughness for airfoils which in theory should predict the performance of a given airfoil, (I think). Will that data be indicative of say a sailplane wing with rib contours +- say .03. Is "perfect" wing contour necessary for low RN, low speed soaring with non laminar flow airfoils? What about a fabric covered wing, the fabric contour is way less than perfect between the ribs along with the tape, and stitching. Is it even reasonable to consider perfectly contoured fabric wings? The question relates to the degree of precision I plan to fabricate and just how necessary/expensive/difficult I need/want to be.
