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Completed Rotor Item Info

A tight fit. The clearance between the huge 25-foot rotors and the stators of the two 75,000 kilowatt Shasta Dam generators, being installed at Grand Coulee Dam to make additional power available for war industries, is only 5/8 inch. Lowering this 450 ton wheel into place, the operators of the two powerhouse cranes, that jointly supported the load, were guided by workmen, stationed around the rim, who inserted sticks between the stationary and moving parts to measure the clearance and prevent contact. When the unit goes into service next February, the outer rim of this rotor, which is 7 feet high, will spin at 125 miles per hour. Attached to the rim are 52 magnets, weighing 3300 lbs. each.
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Title:
Completed Rotor
Creator:
Fuller, H.W.
Date Created (ISO Standard):
1942-11-28
Description:
A tight fit. The clearance between the huge 25-foot rotors and the stators of the two 75,000 kilowatt Shasta Dam generators, being installed at Grand Coulee Dam to make additional power available for war industries, is only 5/8 inch. Lowering this 450 ton wheel into place, the operators of the two powerhouse cranes, that jointly supported the load, were guided by workmen, stationed around the rim, who inserted sticks between the stationary and moving parts to measure the clearance and prevent contact. When the unit goes into service next February, the outer rim of this rotor, which is 7 feet high, will spin at 125 miles per hour. Attached to the rim are 52 magnets, weighing 3300 lbs. each.
Subjects:
power plants in Washington state (Grand Coulee Dam)
Location:
Washington (State);Grant County;Grand Coulee Dam
Latitude:
47.955577
Longitude:
-118.985377
Series:
Series 6: Installation of Turbines and Generators
Publisher:
University of Idaho Library Digital Initiatives, http://www.lib.uidaho.edu/digital/
Source:
Army Corps of Engineers Dam Construction photographs, 1933-1965, PG 94, University of Idaho Library Special Collections and Archives
Finding Aid:
https://archiveswest.orbiscascade.org/ark:80444/xv165618
Source Identifier:
94-3-10872
Type:
Image;StillImage
Format:
image/jpeg
Language:
eng

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Attribution
Citation:
"Completed Rotor", Columbia River Basin Project: Dam Construction in the Pacific Northwest, University of Idaho Library Digital Collections, https://www.lib.uidaho.edu/digital/crbp/items/crbp1038.html
Rights
Rights:
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