Jean Claude
01-02-2012, 12:40 AM
Technical note: NACA technical note 3237
Author: Robert D. Powell
Title: Hovering performance of a helicopter rotor using NACA 8-H-12 airfoil sections.
http://ntrs.nasa.gov/archive/nasa/ca...1993083901.pdf
Author: Robert D. Powell
Title: Hovering performance of a helicopter rotor using NACA 8-H-12 airfoil sections.
http://ntrs.nasa.gov/archive/nasa/ca...1993083901.pdf