Quote:
Originally Posted by RedDevil
Compare this to the old video Darcane posted in this link:
http://ecomodder.com/forum/showthrea...rag-25378.html
From that, at 5:49:
Ten times. That is quite a bit less than the NACA wing shape, but the wing shape used there did not have the concave tail section.
Would that alone make for such a big difference? |
Hoerner chose a laminar wing section for the comparison.It's entire boundary layer is laminar under flight conditions,leading to very low surface friction drag.