These profiles may be FFA-W1-XXX series, characterised by a double curvature of camber-line.
#Airfoil helicopter series#
These problems may be avoided using particularly airfoil for the section of aileron instead of classic ones as NACA four digit series (as 00120018). According to some experts, ailerons for weapon systems of helicopter are not involved in the global lift of the copter, but their operative function is only to carry the combat systems.Nevertheless, some crash occurred to US combat helicopters suggest a different point of view, and an aileron damage, perhaps due to a kind of dynamic stall phenomenon, seems have been caused the copter fall.
* Contact Author: helicopters frequently operate in the part of Planetary Boundary Layer (PBL) characterised by the presence of dust and many other aggressive agents, particularly, in desertic areas and in marine sites, so the aerodynamic performance of their ailerons reduced spanwise, carrying out weapon systems, may be reduced within unacceptable values and consequent relevant risks for the stability of the copter. Which one is better for helicopters What is the difference between Chord Line and Chord What about Blade Span Answer these questions and learn more about Helicopter Airfoils by watching the VIDEO below: Helicopter Airfoils Video.
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