Model Tests on Contrarotating Propellers 



20t 



1.5 1.0 



10 08 



10K, 



Q5 6 



0.4 



t 

 0.2 



1.5 



- 10 



0.5 



Fig. 3 - Open-water test results of contrarotating propellers 

 (the numbers on the curves are the set numbers given in 

 Table 1) 



139 



