Giddings and Wermter 



(b) Model equipped for self -propulsion 

 Fig. 30 - Stern fins 



that while the bow fins increase in effectiveness with increased wave height (or 

 increased angle of attack before the breakdown), stern fins produce a rather 

 constant result irrespective of wave height. 



Table 5 

 Effect of Oscillating Stern Fins With and 

 Without Fixed Bow Fins in Regular Waves 



788 



