Notes on Torpedoes, Offensive and Defensive

Notes on Torpedoes, Offensive and Defensive

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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. 1872 edition. Excerpt: ...same manner as from the charge to the anchor. Che length of the electric cables, from the anchors of the different charges to the point (d) on which they converge, would vary according to the position of the charges with regard to the center line of the channel. Each electrical cable to be coiled on a small portable drum, so that it may be easily moved in and out of the working pinnace. To place the first charge the pinnace (with the anchor fl To place the connected with the charge and circuit-closer by moorings of proper length, as above described, and suspended by the davits at the stern) would be turned out into the exact alignment given bytheline(a b, ) proceeding only fast enough to obtain steerage-way; as soon as the stern of the pinnace arrived at the intersection given by the alignment (e 6, ) the order would be given "let go," and immediately anchor, charge, and circuit-closer would be drawn down into position. The electric cable would then be payed out, at first directly away from the charge, and finally taken to the boat (d, ) which had been previously anchored in a position 100 yards or more in rear of the center of the part of the channel to be defended. When many charges are to be placed in the same line, it is recommended, in order to avoid the use of long cables and consequently unwieldy drums, that the cable from the charge 6 should only be long enough to reach to the boat (d, ) in which the end of this cable is for the time being secured. The next charge, with all its attachments complete, having been arranged as before, the pinnace would again slowly cross the channel along the alignment (a b, ) till her stern arrived at the intersection 5 with the pole (c, ) when the anchor would be let go, and the cable of this...show more

Product details

  • Paperback | 106 pages
  • 189 x 246 x 6mm | 204g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236645979
  • 9781236645975