Swaan and Wahab 



RESISTANCE 



MEAN 



WITH FLEXIBLE TRUNKS 

 WITH RIOID JET EXITS 



HEAVE 

 MEAN RISE HEIGHT 



\ 



Vs._ 



PITCH 



MEAN TRIM ANGLE 



3 

 O 



20 

 ■ SPEED IN KNOTS 



Fig. 6 - Flying behaviour in smooth deep water, 

 2580 fan revolutions per minute 



702 



