76 



KEPORT 1867. 



Table IV.— 3*IEN-0i 



Groups of a Speed 



Subgroups of Displacement. 



Name of Vessel. 



Between 7 ari 



B. 



Between 115 

 and 250 tons. 



Length in waterline, in feet 



Breadth (extreme), in feet 



Tonnage, builder's measurement 



Mean draft of water, in feet 



Area of immersed midship section, sq. ft. 

 Displacement, in tons of 35 cubic i'eet . . . 



Engines. 



Description 



Number of cylinders 



Diameter of cylinders, in inches 



Length of stroke, in feet 



Number of revolutions, per minute 



Weight per sq. in. on safety-valve, in lbs. 



Nominal horse-power 



Indicated liorse-j)ower 



Propeller. 



Diameter, in feet 



Pitch, in feet 



Length in line of shaft 



Immersion of lower ledge, in feet — 

 Number of revolutions, per minute . 



Speed of ship, in knots per hour 



Speed of propeller, in knots per hour. 

 Speed'''xDi J -r indicated horse-power . 



Wind. 



Sea 



Remarks 



Eeferenee to Reports . 



Teazer. 



130 

 2179 

 296 



5-25 

 82-9 

 205 



V. OS. 

 2 



27'o6 



51-5 



9 



40 



1282 



5 

 7 

 i-i6 



iga'og 

 7-685 

 13263 



Between 250 and 

 500 tons. 



Cygnet*. 



Not rigged ; 

 fine stern. 



1862. 



i45'o8 

 25-42 

 428 



9-14 

 168 

 393 



Hor. 



2 

 32 

 I'S 



82 



21 



80 



162-6 



9 



I2"OI 

 1-97 

 496 



82 



8-6-7 

 9833 

 215-5 



No. 



JS62. 



Swallow. 



139 



27-92 



486 



10-25 

 180 

 455 



Hor. 

 2 

 25'5 



175 

 76-5 

 20 

 60 

 164-6 



9 



10-87 

 i-8i 



5 

 76-5 

 7-429 

 8206 

 i47'4 



Ariel. 



No. 



5- 



1862. 



139 

 27-92 

 486 



10-79 



195 



500 



Hor. 



2 

 25'5 



175 



82 



20 



60 



190-1 



9 

 II 

 i-8i 



4-83 

 82 

 7-647 

 8-897 

 i48'2 



1862. 



160 

 25-33 



477 

 10-42 

 198 

 5465 



Ilor. 

 2 

 40-5 

 2 

 63-33 

 20 

 160 

 224-6 



11-08 



15 



2-52 



4-33 

 63-33 

 8-012 

 9-371 

 15308 



i86z. 



* Half boiler power, 



