Thanks Tom,
Could you please add a Clark-Y shape to that interesting figure? My original NACA 0012 aluminum struts would ventilate badly when presented at high speed at any angle more than a few degrees to the water: These Aluminum struts were probably not really NACA 0012 because they had been extruded too thin, and had very sharp leading edges.
Dacarls:
A-class USA 196, USA 21, H18, H16
"Nothing that's any good works by itself. You got to make the damn thing work"- Thomas Edison
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