"Verbal" notes and sketches for marine engineers : a manual of marine engineering practice, intended for the use of naval and mercantile engineer officers of all grades, and students, and is specially compiled for the use of engineer officers preparing for examinations of competency at home or abroad . K CM 1 . ,^a - -[.5 _-.^-I -_:.» ir^dS: ^-§M 4- (MCM (^^ri^^. No. 40.—Water Gauge Column Bracket. Verbal Notes and Sketches. Il Appendix 701 Vertical Donkey Boiler Pressure = 80 lbs. (gauge).Diameter = 5 feetH eight := II feet. Mean diameter of fire box —(^-5t4\ feet. Heig
"Verbal" notes and sketches for marine engineers : a manual of marine engineering practice, intended for the use of naval and mercantile engineer officers of all grades, and students, and is specially compiled for the use of engineer officers preparing for examinations of competency at home or abroad . K CM 1 . ,^a - -[.5 _-.^-I -_:.» ir^dS: ^-§M 4- (MCM (^^ri^^. No. 40.—Water Gauge Column Bracket. Verbal Notes and Sketches. Il Appendix 701 Vertical Donkey Boiler Pressure = 80 lbs. (gauge).Diameter = 5 feetH eight := II feet. Mean diameter of fire box —(^-5t4\ feet. Height of fire box-5 feet 9 inches. Fire grate area = 4-s-x •7854=15-9 square feet Area of uptake=Grate areax^^ Then, Diameter of uptake =^ / J5-9ili_ ^ feet, say it; inches, V 7854 X12 ? Vertical shell seams double riveted, circumferential shell seamsand all internal parts, single riveted. Allow a factor of safety of 6, and a joint strength of about 70 periCent. for the vertical seams and about 54 per cent, fur the circum-ferential seams. Shell.— 28 2240 X T inch ? 2 ? Joints Diameter in inches x Factor;: Pressure. 30 that, 28 2240 , T . 2 .. 70 = 60 6 : 80. ?rherefore, T inch=-- 60x6^80 ^ ^^j^ „. .^^ 28 X 2240 X 2 X -70 Rivet diameter=i-2\ T = \^37S=734 inch, say % inch. NOTE.—As the plate thickness is low, it will be advisable
Size: 1502px × 1663px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookidverbalnotess, bookyear1917
