(0.07) 

















































\ 







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1 





( 



/ 





















1 







/ 





/ 





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/ 





/ 



( 



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"] 





/ 



/ / 























3 / 



6 1 



] 





s/s 



// 



k 





















ml 

 J 1 





























1 



/ 













S.O 



1 



















/ 



i 



7 



1 



















/ 



u 



/ 



/ 



1 





















/ 



/ 





/ 



/ 























/ 



/ 



J 





/ 























f 



/ 



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4.0 













1 



J 



— J 



N 



V-> 









^ 



U 



!t — [ 









xm 







'.. 



















fe 



''^P 



070 







6 TROOST 

 SERVICE SPEEDS 





_ 





^U'^ 



Yo.Ti 



















^ 



' 



'^f 



tr^ 



0.80 









-1 



^ 



r^ 



< 

























































(0.05) 0.40 0.50 060 70 0.80 090 1.00 



SHP . L V 



Figure 94 on "T^for Series 60 Parents 



Ay3 V^ 



to the numerator to avoiii unnecessarily small numerical quantities. Thus he defined his 

 resistance constant (Q) as 



© = -x 1000 



^■®' 



and speed constant 



7 1/6 \l g 



477 



both being nondimensional. 



For use in usual ship units of V in knots and displacement A in tons, these assume 

 the well-known forms 



V 



® = 0.5834 



Ai/6 



XII- 14 



