Pallabazzer 



2f. 



2.0 



OA 



Ofi 



12 7.6 



4„/A„ 



2P 



Fig. 15 - Variation of a^ with A^/A^ for: (a) hydrojector; 

 (b) pumpjector (pp = 2) compared with the water jet's a 



Fig. 16 - Variation of a for a 

 water jet with v^^, and pp (vj/ = 

 0.9, S.p.), compared with the 

 hydrojector ( pp = 0) and pump- 

 jector (Pp = 2) values of a and 

 a^ corresponding to A^/A^ = 1 

 (h/ = 0.9, a. p.) 



20 30 



Fig. 17 - Variation of the 

 thrust coefficient c^ for 

 water jet ( h' - 0.9, S.p.) 



50 



1130 



