Behaviour of a Ground Effect Machine 



HEAVE 



DOUBLE AMPLITUDE 



\ 



\ 



WITH FLEXIBLE TRUNKS 

 WITH RIGID JET EXITS 



\ 



V \ 



ROLL ANGLES 



DOUBLE AMPLITUDE 



ROLL PERIOD 



10 20 

 SPEED IN KNOTS 



Fig. 7 - Flying behaviour in smooth deep water, 

 2580 fan revolutions per minute 



703 



