Rudiments of Naval Architecture; Or, an Exposition of the Elementary Principles of the Science (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1849 Excerpt: ... Of Displacement. From Table 2.--The summation of the func-1 tions of the cubes of the ordinates for the I = 1573-843 value of the f y3 dx J The corresponding function for the solid.. = 217-25 from whence the height of the metacentre above the centre of gravity of displacement, expressed by--f---is as follow 2/ f y' dx = 1573-843 x-j where r1 = 5-5 feet = 1573-843 x 11 17312-273--3-3 = 5770-75 feet. Of ) r' (Page 52) 217-27 x--x--= i displacement = 488-5936 feet, whence displacement or D = 977-1872; and thence 2_. yfdx = 2_ 5770-75 _ 11541-53 3D 3 X 977-1872 "2931-5616 98 feet Results Obtained Under The Two Methods Of Calculation Contrasted. Old Method. 2nd Method. Displacement in cubic feet of space. 979-139 977-187 Displacement in tons of 35 cubic feet of Water to a ton 27-985 27-92 Superficial ft. Superficial ft. Area of Midship Section 41-08 41-08 Area of Load-water Line or Plane at the proposed deepest immersion. 401-12 401-12 Tons to one inch of Immersion at Line of Floatation-9526 tons.-955 tons. Longitudinal Distance of the Centre of Gravity of the Displacement from Section 1, Fig. 8 22-22 ft. 22-22 ft. Depth of the Centre of Gravity of Displacement below the Load-water Section 1-4812 ft. 1-4904 ft. Relative Capacities of the Bodies. 1-6 per cent. 1-9 percent. Height of the Metacentre above the Centre of Gravity of Displacement 3-98 ft. 3-98 ft. PART XIII. Method of forming a Curve of Sectional Areas from a Drawing of Ship.--Calculations for the Displacement from it.--Application of the Method to the Yacht of 36 Tons Admeasurement.--Relative Capacity of the Fore and After Bodies of the Yacht pointed out by the Curve.--Area of Midship Section of the same.--Curve of Sectional Areas used to obtain the Centre of Gravity of Displacement.--Applicatio...