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Naval History and Heritage Command

NH 53508 USS Henderson

Photo #: NH 53508 USS Henderson
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Title: USS Henderson
Description: (Transport # 1) A close-up view of the two gyro stabilizing units being skidded into the ship in dry dock at the Philadelphia Navy Yard in April 1917. Each of these units contains a wheel weighing 26 tons mounted on a horizontal shaft lying in normal position athwartships. The units are secured to the ship in the gudgeon bearings, the trunions of which are visible on the top of each unit. This allows each unit to turn or precess about a vertical axis to give the spinning gyro rotors the second motion necessary to produce the gyroscopic action to help stabilize the ship. (quoted from the original 1917-vintage photo caption) U.S. Naval History and Heritage Command Photograph.
Catalog #: NH 53508
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