SUPERIMPOSED PLANAR 

 ELLIPITICAL PLAN FORM 



PROPELLER PLANFORM 



Figure 12 - Comparison of Spanwise Loading for a Fixed Planar Elliptical 



Planform Foil and a Typical Propeller Blade-Variation of 



Circulation (T/T ) as a Function of Span (r/R) 

 max 



28 



