Naval Institute Proceedings Volume 31

Naval Institute Proceedings Volume 31

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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. 1905 edition. Excerpt: ..." with ruin to itself, while the plate passes successfully through this trying ordeal unperforated and with nothing more than a few face cracks. Messrs. Schneider in November last rolled a nickel-chromium steel armor plate weighing 65 tons, the ingot having been 4 feet across and 9 feet in length. Although the price paid for such armor is high the makers well deserve their reward, as the risk and anxiety involved in the manufacture are very great. Projectiles.--Having said so much for armor, what shall be said of the latest type of projectiles, which by means of a cap has enabled this remarkable armor to be readily perforated? The difficulties attending the production of a projectile of this high efficiency quite equal those met with in the manufacture of armor. It is not a little creditable to the projectile makers of this country, who are neither nursed nor pampered by their government, as are the manufacturers abroad, that they have met this want. In one case a 12-inch armor-piercing shell was fired at a 12-inch Krupp cemented plate at a velocity of about 2000 foot-seconds, the plate being completely perforated and the projectile after passing through this trying ordal being found in the rear of the plate in a condition for bursting. With the complex stresses involved in such a trial, both to the plate and to the projectile, it will be seen that the problem of producing the most suitable material for the purpose is one demanding a very high order of skill and knowledge. There still remain many problems to be solved in plate and projectile manufacture, and also in the production of steel in modern high-velocity guns, but out of chaos order is being evolved. Gun Steel.--In the construction of guns carbon steel has long held its more

Product details

  • Paperback
  • 189 x 246 x 23mm | 798g
  • United States
  • English
  • black & white illustrations
  • 1236955412
  • 9781236955418