Page 



3 - Characteristics of DTNSRDC Propellers 4679 and 4718 203 



4 - Locations at which Pressures were Measured 206 



5 - Experimental Conditions 207 



6 - Comparison of Measured Mean Pressure Coefficients at 



Design Condition with and without Sand on 



Blade Leading Edges 209 



7 - Standard Error at a 95 Percent Confidence Level of 



Measured Mean Pressure Coefficients from C 



versus J Curves ? 210 



8 - Standard Error at a 95 Percent Confidence Level of 



Measured Mean Pressure from C versus J Curves 212 



P 



9 - Measured Offsets of Propeller 4718 Blade C at the 



0.7 Radius 214 



vii 



