136 
Cavitation Inception Speed in knots 
M. P. Tulin 
Pod Alone 
140 ei j 
(Modified Spheroid) 
120 
Pod Max. Diam. =6x Strut Max. Thick. 
Strut Length = 0.67 Pod Length 
100 
Strut Alone 
(16 Series) 
Strut and Pod 
Combination 
4 5 6 iG 8 9 
Pod Length- Diameter Ratio 
Fig. 12. Cavitation inception speeds for streamlined 
pods and struts 
Probability of Cavitation Inception in percent 
(0) 
80 70 60 50 40 30 
Speed inknots 
Fig. 13. Probability of cavitation inception vs speed for 
North Atlantic operation 
