United States Naval Institute Proceedings, Томови 3-4U.S. Naval Institute, 1877 |
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Страница 26
... pound- ers , with 32 pounder bores . The twist of the rifling was from right to left , the reason for this arrangement being that the naval firing - ground at Gavre was on a beach with the water on the right , so that had the twist been ...
... pound- ers , with 32 pounder bores . The twist of the rifling was from right to left , the reason for this arrangement being that the naval firing - ground at Gavre was on a beach with the water on the right , so that had the twist been ...
Страница 48
... pounds at the base ring . The finished gun weighs seventeen thousand , three hundred and thirty pounds . The lining of the gun may be properly divided into three parts viz . A tube , B tube , and cup at the bottom of the bore . The iron ...
... pounds at the base ring . The finished gun weighs seventeen thousand , three hundred and thirty pounds . The lining of the gun may be properly divided into three parts viz . A tube , B tube , and cup at the bottom of the bore . The iron ...
Страница 49
... pounds per square inch , and presents when fractured a bright fibrous appearance indicating great tenacity . COILING . The bar to be formed into a coil is about 34 ' long , being made up of two of the original bars welded together with ...
... pounds per square inch , and presents when fractured a bright fibrous appearance indicating great tenacity . COILING . The bar to be formed into a coil is about 34 ' long , being made up of two of the original bars welded together with ...
Страница 51
... pounds to the square inch . After inspection the tube is put in the turning lathe and turned down at the breech end for a dis- tance of 32 " to an exterior diameter of 10 " and the end of the cut rounded up to the outside of the tube ...
... pounds to the square inch . After inspection the tube is put in the turning lathe and turned down at the breech end for a dis- tance of 32 " to an exterior diameter of 10 " and the end of the cut rounded up to the outside of the tube ...
Страница 52
... the metal unnecessarily . After the cup is screwed into place the tube is again subjected to a water pressure of one hundred and forty pounds to the square inch . The tube is next placed in the rifling machine and 52.
... the metal unnecessarily . After the cup is screwed into place the tube is again subjected to a water pressure of one hundred and forty pounds to the square inch . The tube is next placed in the rifling machine and 52.
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A. T. MAHAN altitude apparatus astrolabe barometer battery battle berth deck bilge boats boilers bore bottom breech breech-loader Cape Cape Horn Captain carbon cast cast-iron chart coast coil Commander compartment compass cylinder depth detonation diameter distance drum energy engine explosion fathoms feet fire fleet French friction Greytown groove gun deck gun-cotton hammock heat hole hundred fathoms inch instrument iron lake Nicaragua latitude length longitude means mercury meridian method miles motion muzzle NAVAL INSTITUTE navigation Navy Nicaragua oxygen passed phosphorus pipe piston port pounds preservation pressure projectile pulley pumps rear reel rifle rope Royal Navy sail screw shaft ship shot side sinker sounding sounding line spar steam steel studs tactics thousand fathoms tion triarii triremes tube turn Tuscarora U.S. NAVAL ACADEMY UNITED STATES NAVAL valve vessel weather wedge weight welding wind wire wood