Since a few months, I enjoy flying a Troll. As François is used to, this glider uses SB96V and SB96Vs airfoils.
These airfoils has been quite surprising for me, because I was used to fly with TP42/TP29 which are symetrical airfoils.
Quickly, I felt many differences in flight. These were so clear that I decided to investigate. May I be able with PredimRC (a tool designed by Franck Aguerre for aerodynamic analysis of plane models) to quantify these differences with some simple values?
Now I can answer « yes! ». This article will deal with my steps to this conclusion. Lire la suite