Our heavyweight helicopter equal in the world does not have
In Rostov started production of the most load-lifting rotary-wing car The Russian holding «Helicopt[...]
S41S0
• S4180-PT (Fig. 12.100)
The thin trailing edge of this model was wavy for the aft 25% chord along the entire span. Because of the significant three-dimensionality, nothing conclusive can be said about the two-dimensional airfoil characteristics. The model coordinates were not digitized because there is no representative section.
Also see: S4061
Polar plot: Fig. 12.100
Thickness: 9.77% Camber: 4.36%
