TABLE 3 - CHARACTERISTICS OF DTNSRDC MODEL PROPELLERS 4679 AND 4718 



TABLE 3A - PROPELLER 4679 



Diameter, D: 2.000 ft (0.610m) 



Rotation: Right Hand 



Number of Blades, Z: 3 



Hub-Diameter Ratio, D h /D: 0.30 



Expanded Area Ratio : . 755 



Blade Thickness Fraction: 0.099 



Design Advance Coefficient, J: 1.077 



Design Thrust Loading Coefficient, C mL : 0.425 



Th 



Design Thrust Coefficient, KL: 0.194 

 Design Torque Coefficient, K : 0.0486 



r/R 



c/D 



P/D 



S (deg) 



V 



t/c 



t/D 



f/c 



M 



f/D 

 M 



0.3 



0.274 



0.950 



0.0 



0.0 



0.2496 



0.0684 



0.0000 



0.0000 



0.4 



0.404 



1.225 



-7.56 



0.0 



0.1418 



0.0573 



0.0171 



0.0069 \ 



0.5 



0.519 



1.449 



-9.73 



0.0 



0.0855 



0.0444 



0.0287 



0.0149 



0.6 



0.611 



1.556 



-7.94 



0.0 



0.0566 



0.0346 



0.0321 



0.0196 



0.7 



0.672 



1.572 



-3.14 



0.0 



0.0378 



0.0254 



0.0306 



0.0206 



0.8 



0.682 



1.475 



8.0 



0.0 



0.0281 



0.0192 



0.0293 



0.0200 



0.9 



0.609 



1.270 



22.28 



0.0 



0.0254 



0.0155 



0.0287 



0.0185 



0.95 



0.518 



1.120 



31.48 



0.0 



0.0249 



0.0129 



0.0287 



0.0149 



1.0 



0.117 



0.965 



41.18 



0.0 



0.0248 



0.0029 



0.0274 



0.0032 



203 



