58 
THE APPROXIMATE CALCULATION OF WAVE RESISTANCE AT HIGH SPEED 
jis u/M gl 
+32 “36 40 “44. 48 “52 56 -60 64 
Fig. 1—Values from Approximation compared with Curves of Measured 
and Calculated Values from Wigley (1942). 
—- 
Model B 
ZA, 
Model A 
-08 a f= u/Vg¢L)| Hes baa 
-50 
35 -40 “45 “55 -60 “65 “70 “715 
Fig. 4 —_____ from experiment. ———— — from approximation 
511 
