Bridge and Dam
The Beverly Drawbridge spans the Danvers River, connecting Beverly and Salem, Massachusetts. The bridge is positioned adjacent to the Route 1A, Veterans Memorial Bridge. Originally built in 1885, the rail bridge currently carries the Massachusetts Bay Transportation Authority (MBTA) Newport/Rockport commuter line that originates in Boston.
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The Big Bend Dam, located on the Missouri River near Fort Thompson, South Dakota, was opened in 1963 by the U.S. Army Corps of Engineers. The 10,500 ft. long dam utilizes 8 fixed-blade turbines to generate 494,320 kW of power daily.
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As a manufacturer of engineered enclosed drives, Nuttall Gear is accustomed to variances in specification requirements depending on the industry and the function of the gearbox. The duty cycle of these units can vary significantly from heavy shock load on a coal crusher where the service factor can exceed 2.0 to a coiler in a steel mill that can have a service factor of 1.0.
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