One the first know photographs of the USS Oregon. underway. Here, she is conducting builders trials off the coast of California. It was during these trials that the Oregon set the fastest speed for the Indiana Class battleships. Notice that the forward thirteen inch turret has not been installed yet.
Credit: Oregon Historical Society, File #2160
Date of Trial.................................May 14, 1896
Duration of Trial...........................4 hours
Location of Trial...........................Santa Barbara Channel, off the coast of California
Weather and Sea Conditions........Calm sea with light breeze
Mean draft of Oregon..................24 feet
Displacement...............................10,250 tons
Engine Type.................................Vertical Triple Expansion
Cylinder, diameters
High pressure......................34.5 inches
Intermediate pressure..........48 inches
Low pressure......................75 inches
Stroke of Pistons..........................42 inches
Number and type of boilers...........4, double ended
Length of boilers..........................18 feet
Diameter of boilers.......................15 feet
Number of furnaces (each boiler)..8
Screw propellers
Diameter.............................15 feet
Pitch, mean.........................16 feet
Pitch, adjustable..................Between 15.5 and 16.5 feet
Number of Blades...............3 each propeller
Steam Pressure, psi;
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Revolutions of Main engines, rpm;
Starboard............................128.3
Port.....................................128.2
Mean engine pressures, psi;
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Indicated horsepower (ihp);
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Air pump engines;
Starboard....................8.8
Port.............................7.7
Circulating pump engines;
Starboard....................51.5
Port.............................34.5
Feed pumps..........................44.4
Other Auxiliaries...................73.9
Speed in nautical miles...................16.79
Type of coal..................................Welsh
Total coal burned per hour..............23,593.5 lbs
Coal burned per hour per ihp..........2.1 lbs
Information derived from an article "Warship 1990", by William C. Emerson