- Nov 14, 2009
- Rocky Mountains
I remember this from the good? old days of hand lofting these things on grid paper. Kind of makes me wonder exactly what shapes are getting tested in the wind tunnels these days? Are they testing a CNC cut from file airfoil with this 'artifact' intact or are the test models actually built to conform to the ordinates the underlying math spits out?but the example 23015 may be due to the NACA's funky leading edge slope+radius definition. Since the center of the circle is on a line drawn from 0,0 .
Makes no difference to me. I'll just build with the contaminated pepper and no one but the fly and me will know...............