![]() Conversely, generating more than 100 stations doesn't appear to yield much if any noticeable improvement. Generating airfoils with less than 60 chord-wise stations is not recommended as the airfoil's curvature smoothness, when checked with a curvature analysis tool, reduces noticeable. TODO: Implement four-digit modified, five-digit modified, and six-digit series - contains working (public domain) code likely worth incorporating. Input parameter validation is rudimentary where it has been implemented. Five-digit airfoils with reflex camber lines are not yet implemented.Ī4 coefficient (slider) value input can be set by user 'out of NACA limits'. ![]() As you can see though, output from the script appears to be a reasonable match to the ordinates for the above mentioned airfoils at least: * "verified" is probably not the best word, as errors are known to exist in the original NACA ordinate data. NACAAirfoilGenerator ordinates vs airfoils-.3dm in the attached zip. Conformity of output with official NACA ordinates has been verified* for NACA 0012, 6518, 23012, 43012 & 43012A, see file: ![]() Variable thickness trailing edge (T.E) implemented. Now generates all 'basic' NACA four-digit and five-digit series airfoils, including 43012A. Here's the latest NACAAirfoilGenerator script with various minor and a few major improvements since first release:
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