128 
TABLE B.—Performance of Ships, analyzed by the method 
REPORT—1868. 
Proportion of breadth to length ::1: 
Proportion of draught to breadth ::1: 
Coefficient of fineness of midship section @.. 
Coefficient of fineness of body 4 
Coefficient of fineness of ends © sea aces ekeiewe 
Coefficient of diminished resistance ......... 
Coefficient of performance V* x Di +1.H.P.. 
Coefficient of performance V* x = Wane. 
Coefficient of performance V* x G) +1.H.P.. 
Speed of screw, in knots per hour 
Slip. in knots per hour 
Slipsinifeet perisecond feici.c.c...receecestes 
Ratio of slip to speed of ship::1:.........46. 
Area of screw-race (n:inus boss), in square 
LOGtinnatencacencet ee Maes sos er sees vscnc stations 
Area of midship section : area of screw- 
race : 
Ronictatce due to area of screw- race, in lbs.. 
Resistance due to length of screw-race, in Ibs. 
Resistance due to ship’s way, in Ibs. ......... 
Garth fine etior cect ne tecs oes oeere cates jeot cates 
Surface of skin, in ce fests stip ecccsnee: 
Skin resistance, in lbs. . eae 
Speed of ship, 1 in feet per ‘second 
Total resistances in Mbs:....5...¢4e-seeae-s-nsenees 
Resistance of length of screw : resistance of} 
cleka) 32.1 UBS oagennaaun oat guarventerdencerssastevent 
Horse-power required for ship’s way......... 
Pree eee eee ee eee Tee ee errr ee eee 
Horse-power required for skin resistance ... 
Horse-power required for slip ............5. 
Horse-power expended on engines and pro- 
pellenmeessersee- “Hogerinbacdiiccorigsoacnepeocsedge 
Percentage of total I.H.P. required for mid- 
ship =e ee a et ee 
Percentage of total I.H.P. required for skin 
Percentage of total I.H.P. required for slip 
Percentage of total I.H.P. required for 
EMDINER nanwscssseesesele sea ran-iaperereer oes Seceer 
Consumption of coals per N.H.P., in lbs. 
Pers NOUTE manctemsccaes sea: sneha saath ne cr caa 
Consumption of coals per I.H.P., in lbs. 
Er NOUT eaenodeeee ne co aeaSase acoorsncenarce 
Tasmanian. 
5 
4°86 
230°20 
*39 
5755° 
27969" 
15447" 
61°72 
15778" 
-| 32039° 
24°31 
40838" 
Oneida. 
San Carlos. 
6'40 
2°53 
“732 
350 
“490 
0806 
Guayaquil. 
6°50 
2°56 
