Fin Efficiency Factor Calculator

Fin Efficiency Factor Calculator

Where:-

Vr is the Relative wind to the tail at angle ψ

Vr is the Relative wind to the tail due to Side Wash

Fins are the small Auxiliary Airfoil Mounted at the top and bottom of the Fuselage at the Rear end.

NOTE:- Vertical Fin Contributes Positively for Directional Stability

Chandan Singh