GOE 429 AIRFOIL
// Points from goe429.dat in the archive: http://m-selig.ae.illinois.edu/ads/archives/coord_seligFmt.tar.gz
// Not necessarily in the same order as in: http://m-selig.ae.illinois.edu/ads/coord/goe429.dat

goe429_points = [[1000,1.6],[950,3.7],[900,6.9],[800,16],[700,26.1],[600,37.1999],[500,46.8],[400,53.2],[300,56.9],[200,56.9],[150,54.7],[100,49.5],[75,44.6999],[50,36.7],[25,27.1],[12.5,20.2],[0,0],[12.5,-16.5],[25,-24.5],[50,-34.6],[75,-41],[100,-45.7],[150,-52.7],[200,-55.8],[300,-56.9],[400,-52.7],[500,-45.2],[600,-35.6],[700,-23.9],[800,-14.4],[900,-7.4],[950,-4.3]];

linear_extrude(height=20)
scale([15, 15])
translate([0,0])
scale (0.001)
polygon(points=goe429_points);