Transactions Society Naz'ot Architects and Marine Engineers, Vol, 26. tQfS. 



Plate 97. 



To illustrate paper on "Variations of Shaft Horsepower. Propeller Revolutions, and. Propul- 

 sive Coefficient with Longitudinal Position of I he Parallel Middle Body in a Single Screw 

 Cargo Ship," by Naval Constructor IVilliuin McEntee, U. S. N:, Member. 





 A.R 



30 40 50 60 70 80 



SCALE FOR PERCENTAGE OF LENGTH BETWEEN PERPENDICULARS. 



90 



100 ns. Z. 



FR 



