650 



BELL 51.bT£.U TECHMLAL JUiK.\AL 



-2 1 23456789 10 



GrVq 



lo 



Fig. 128. — Plot of clTiciency vs a parameter proportional to resonator loss for several 

 repeller modes. 



Fig. 129. — Maximum etVicienc\- for several repeller modes. 



erated if tlic resonator were perfect. This comes from setting Gh = 0, 

 calculating the resulting value of useful power. The results are compared 

 with the simpler theory in Fig. 12*^. 



