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Lightship No. 114
Lightship No. 114, later U.S. Coast Guard WAL 536, that served as lightship Fire Island (NY), Examination Vessel (WW II), Diamond Shoal (NC), 1st District relief vessel, Pollock Rip (MA) and Portland (ME). After decommissioning the lightship was a historic lightship at the State Pier in New Bedford, Massachusetts.
==Construction==
Built at Albina Iron Works in Portland, Oregon, ''Lightship No. 114'' was one of six identical vessels with three built at Albina Iron Works and three by Charleston Dry Dock & Machine Company of Charleston, South Carolina. Four were eventually required on the Atlantic stations so that ''No. 114'', the last constructed at Portland, was required to make the transit from Oregon to New York.
The design for all six vessels〔LV 100/WAL 523 (1929), LV 113/WAL 535 (1929) and LV 114 / WAL 536 (1930) at Albina Iron Works. LV 115 / WAL 537 (1930), LV 116 / WAL 538 (1930) and LV 117 (1930) at Charleston Drydock & Machine Company.〕 was for a length overall of , water line length with a beam and draft of forward and aft. A special machinery arrangement was selected to fit the requirement for a self propelled vessel that would remain on station for nine months of a year requiring power for housekeeping, equipment and the light. The design was for four Winton Engine Corporation four cylinder diesel engines each direct connected to 75 kilowatt, 125 volt General Electric generators that could be coupled to develop 350 horsepower on the propulsion motor at 300 revolutions and, when on station, could singly handle the entire ship's electrical load even under adverse conditions. Two 7.5 kilowatt Cummings diesel generating sets were provided for auxiliary and in port power and an oil fired boiler provided heating.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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