Specifications for the Third-Class; Steel, Steam, Light Vessels Nos. 103 and 104, 1917

Specifications for the Third-Class; Steel, Steam, Light Vessels Nos. 103 and 104, 1917

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1917 edition. Excerpt: ...shall be fitted on each side of each boat. Leathercovered iron grips reaching over the gunwales in one piece with rings at their lower ends, eyebolts, proper lashings, trip hooks with rings, etc., shall be provided. The underside of the upper deck in the way of the cradles and ringbolts shall be reinforced. Ironwork shall be galvanized where 84. Steam Hoister.--A steam hoister of approved make having two horizontal cylinders about 4 by 4 or 4 by 6 inches, fitted with two directed.-winch heads for manila rope, and all handling gear for use in hoist ing the boats, provisions, coal, etc., shall be furnished and installed. It shall be mounted as specified under "Engine, boiler, and, other foundations," connected with the auxiliary steam pipe and exhaust below deck into the main escape pipe. The en ine and all pipe connections must be properly lagged and draine to prevent freezing. A removable wooden housing shall protect the engine when not in use. 85. Mast and.Spars.--The vessel shall be rigged as shown on the plans, with a steel lantern mast forward and a wooden jiggermast with boom and sail aft. Lantern mast.--The lantern inast will be stepped on the main deck with a mast partner at the spar deck; it shall be built of steel in accordance with the rules for the construction of vessels approved by the Bureau, except where otherwise stipulated in these specifications. The outside diameter shall be 16 inches throughout; the focal plane of the lens shall be 45 feet above the water line. There shall be two strakes of plates in the circumference, the plates to be 10 pounds per square foot; the plating and riveting must be flush for its entire length. The butts must be properly shifted and be treble riveted; all butt straps shall be...show more

Product details

  • Paperback | 40 pages
  • 189 x 246 x 2mm | 91g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236926498
  • 9781236926494