Item 1063
OTHER:
Aerodynamics - Blade Profile - NACA 230xx (general)
At Tip:
Use NACA 0006 and maybe the next inboard one should be NACA 0009
Airfoil Shape Definition:
For the algorithm that defines this series of airfoils plus the NACA 00xx series see:
[PHA Section 7.4]
NACA:
An experimental investigation of the effect of various parameters including tip Mach number on the flutter of some model helicopter rotor blades, NACA TN 4005 Sept 1958
Notes:
It appears that the following helicopters uses a NACA 230xx airfoil.
Kamov Ka-32 coaxial (1980)
All the Mil
Sikorsky S-69 XH-59A ABC
Kaman
Flettner
Some Bell
Many, many
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Last Revised: Sunday, February 11, 2009