Chryssostomtdts 
TABLE 2 
RPM - Power - Efficiency Curves for a Typical Steam Turbine 
RPM Power Efficiency 
[fraction of design RPM] [fraction of full Power] 
0.60 0.216 0. 766 
0. 65 0.275 0. 807 
0.70 0.343 0. 845 
8 7) 0.432 0. 881 
0. 80 GC. 51Z 0. 913 
0. 85 0.614 0. 941 
0.90 On 129 0.965 
G.-92 Onno 0. 973 
0. 94 0. 831 0.979 
0. 96 0. 885 0. 984 
0.98 0. 941 0. 988 
1,00 1.000 0. 990 
TABLE 3 
Ship and Propeller Principal Characteristics 
CASE A CASE B 
LBP [ft.] 529. 00 666, 50 
LWL [ft.] 538.15 678. 03 
B [£t.] T5157 95.21 
T [£t.] 25. 19 31.74 
D at Amidships [ft.] 45. 00 56. 70 
D: at Station 1’ [/£t-} 55. 50 69. 94 
CB 0. 650 0. 650 
CP 0. 661 0. 661 
A [long tons] 18700 37400 
Wetted Surface [sq. ft.] 48510 77000 
dr free.) 17, 50 22.50 
Pitch/d 1,00 1, 00 
1602 
