KSNLF51 airfoil - high L/D, high lift, low to medium Re

I created this airfoil one day. I was looking for getting high L/D at low Re. This is pretty nice. I tried simulations as low as Re 100000-300000 (not included in here, you can try by yourself with QFLR5).

Airfoil KSNLF51:


KSNLF51 L/D graph:


Data file: http://www.katix.org/karoliina/airfoils/KSNLF51.DAT

Polars:
Re 1 million, Mach 0.3
http://www.katix.org/karoliina/airfoils/KSNLF51_T1_Re1.00_M0.30_N9.0.txt

Re 3 millions, Mach 0.3
http://www.katix.org/karoliina/airfoils/KSNLF51_T1_Re3.00_M0.30_N9.0.txt

Re 5 millions, Mach 0.3
http://www.katix.org/karoliina/airfoils/KSNLF51_T1_Re5.00_M0.30_N9.0.txt

License: Creative Commons Share-a-like

Comparison between some airfoils: