RUDDER TORQUE CALCULATIONS (SPADE RUDDER )

RUDDER TORQUE CALCULATIONS (SPADE RUDDER )
Ship speed				knots
Shaft Horsepower				shp
Propeller Diameter				m
Performance Coefficient
Thrust Deduction Factor
Wake Fraction
Rudder Angle				degree
Rudder Dimensions
		X1		m
X2		X2		m
X3		X3		m
X4		X4		m
X5		X5		m
X8		X8		m
X9		X9		m











Rudder Stock Bearing Coefficient
	U1	U2
	D1	D2

Data Uncorrected for taper ratio
Lift coefficient Cl			See figure 1a & 1b in help
Drag Coefficient Cd			See figure 2a & 2b in help
Center of Pressure Cp			See figure 3a & 3b in help
RESULTS
Propeller Thrust				lb
Speed of Advance				fps
Dynamic Pressure				psf
Taper Ratio
Mean Chord				m
Sweep Angle				deg
Effective Aspect Ratio
Lift Coefficient Correction
Corrected Lift Coefficient
Drag Coeeficient Correction
Corrected Drag Coefficient
	CN1
	CN2
	CMC
Corrected Center of Pressure
Normal Force				lb
Hydrodynamτc Torque				lbinc
Rudderstock bearing Friction				lbinc
Rudder Torque Displacing				lbinc
RUDDER TORQUE				lbinc
				kgm