PEAK 
SP 
XYZ 
Superscripts: 
Value of nth harmonic 
Port propeller 
Peak value including variation of both time-average value 
per revolution and variation with blade angular position 
Ship value 
Value at self-propulsion point 
Starboard propeller 
Total loading from hydrodynamic, centrifugal, and 
gravitational components 
Component in x,y,z direction 
Value at r=0.3R 
Value at r=0.4R 
Value at r=0.7R 
Time average value per revolution 
Unsteady value 
Rate of change with time 
xi 
