NACA nomenclature 1

[flyingmike]

Hi

Can anyone help with the following NACA airfoils:

NACA 0008-1.1-25
NACA 0005-.825-50

I am trying to find out what the numbers following the first four digits represent.

Thanks

Mike

 

[valhalla]

The following website has an explanation for the modified 4/5 digit NACA series.

http://www.aerospaceweb.org/question/airfoils/q0041.shtml

Cheers

Brian Lewis
The Aerospace Corporation

http://www.aero.org/