REPORT—1868. 
TABLE A.—Performance of Ships, analyzed by the method 
Anglia. | Admiral. | Cambria. 
Proportion of breadth to length::1: ...... 7°21 6°56 7°55 
Proportion of draught to breadth::1:...... 2°90 4°26 2°94. 
Coefficient of fineness of GD @.......0.....0066 "7911 "8916 8666 
Coefficient of fineness of body 2 .........+++... 6148 5694 "6392 
Coefficient of fineness of ends : ScSanS seas aS "7771 6386 7376 
Coefficient of diminished resistance ......... 0635 0767 "0576 
Coefficient of performance V?XD*+1LH.P.| 193°9 203° 162°8 
Coefficient of performance V*x D3+W., ...| 3176. 7569 315° 
Coefficient of performance V?xX«)+I.H.P.| 496°8 497° 366° 
Effective diameter of wheel ..........0.....064- 22°06 18°5 25°34. 
Velocity of paddle-wheel, in knots per hour..| 17°09 13°75 18°06 
Slip, in knots per hour .......+0+6 Soot doucocnir 4°13 185 5°85 
pe lias aly COMtessiaceses: Haas tecpeae se caene- senna che Ti5s 47. 
Pip, i feeb per SCCONG..- 2: ac e.cse-ceciessoeears 7°04, Ronis 9°97 
Ratio of slip to speed of ship::1:............ 4b 0 Wa lla “ame sees 2°08 
Area of paddle-race, in square feet............ 98°04. Ul ae 81°62 
Resistance due to area of paddle-race,in lbs.| 4858° | tv 8113° 
Resistance due to length of paddle-race...... BOOOR:) ot alii woes 16875. 
Ginthpinvtectsetesssstctes:- cee scence acaearnae eos 35°34 31°43 35°12 
Surface of skin, in square feet.................. 5135° 6600" 5347" 
Skin resistance, in pounds .............s00.000 8626° 9504" 7972" 
Speed of ship, in feet per second ............ 22°11 20°47 20°83 
Resistance due to ship’s way, in lbs. ....... | 5781° 5877" 3490°2 
Total’ resistance, in Ibs. .........-...-.-.0600s-.-- 14407 15381 11462° 
Resistance of paddle-race to resistance of} = | ...... 
SHIph ils ekepe teres ce westeeeuch Monsee astes uoee O71 218 0°67 
Horse-power required for ship’s way......... 232° 132° 
Horse-power required for skin resistance ...) 347° 353° 301° 
Horse-power required for slip.......+...-...++- 228° 100 165° 
Horse-power expended on engines and pro- 
MEMETI se wsancbeceesescsanaecee eres sees sesneetesane 8:07 TEE 397°35 
Percentage of total I.H.P. required for G 28° 40° 13; 
Percentage of total I.H.P. required for skin} 42° 47° 30° 
Percentage of total I.H.P. required for slip} 28° 13° 16° 
Percentage of total I.H.P. required for 
CNSINGS pacckocsetesnseons eee es saat eee eaans te ai 9 40° 
Consumption of coals per N.H.P. per hour... 317° |... 15° 
Consumption of coals per I.H.P. per hour.. 68 2.9 57 
Note 1. The coefficient of diminished resistance has been taken with a length of bow 
Note 2. The effective diameter of the wheel as used for analysis has been taken at the 
This has been done for the suke of uniformity in the calculations, there being an effective 
and ‘ Telegraph,’ in Appendix V. Table I. Report 1859, and of the ‘Cambria,’ lengthened, 
are correct. For example, the diameter of the wheel of the ‘ Delta’ is 26 feet, and the 
the effective diameter of wheel is given in the Reports as 25°16 feet. Both are feathering- 
for breadth of float 4:5, and the ‘ Lima’ 3 feet. 
a a 
