United States Naval Institute Proceedings, Томови 3-4U.S. Naval Institute, 1877 |
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Страница 26
... 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 to the right , projectiles would have drifted into the water and their records would thus have been ...
... 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 to the right , projectiles would have drifted into the water and their records would thus have been ...
Страница 27
ties of the horizontal diameter . The reason of this arrangement was that spherical as well as rifled projectiles might be used in the gun without destroying the grooves ; since , as you know , the scoring caused by the balloting of ...
ties of the horizontal diameter . The reason of this arrangement was that spherical as well as rifled projectiles might be used in the gun without destroying the grooves ; since , as you know , the scoring caused by the balloting of ...
Страница 30
... arrangement through which the primer lan- iard rove and was firmly held until the locking lever released it . In addition , a small iron plate covered the vent until the breech was locked . All these attachments worked automatically by ...
... arrangement through which the primer lan- iard rove and was firmly held until the locking lever released it . In addition , a small iron plate covered the vent until the breech was locked . All these attachments worked automatically by ...
Страница 33
... arrangement for centering shots . This groove was a double one , the driving half being shallower than the loading , gradually growing into the latter towards the seat of the projectile . The projectile being inserted into the muzzle ...
... arrangement for centering shots . This groove was a double one , the driving half being shallower than the loading , gradually growing into the latter towards the seat of the projectile . The projectile being inserted into the muzzle ...
Страница 39
... arrangement which was nothing more than a screw - shaft provided with half threads which travelled in female threads in the gun wall . These served both to lock and to set up or loosen the wedge . In the heavier calibers where the wedge ...
... arrangement which was nothing more than a screw - shaft provided with half threads which travelled in female threads in the gun wall . These served both to lock and to set up or loosen the wedge . In the heavier calibers where the wedge ...
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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