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Completed Rotor (Installation of turbines and generators) 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 (Installation of turbines and generators)
Creator:
Fuller, H.W.
Date Created:
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) installation of turbines and generators
Location:
Washington (State) Grant County Grand Coulee Dam
Latitude:
47.955577
Longitude:
-118.985377
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

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Source
Preferred Citation:
"Completed Rotor (Installation of turbines and generators)", 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:
In copyright, educational use permitted. Educational use includes non-commercial reproduction of text and images in materials for teaching and research purposes. For other contexts beyond fair use, including digital reproduction, please contact the University of Idaho Library Special Collections and Archives Department at [libspec@uidaho.edu](mailto:libspec@uidaho.edu). The University of Idaho Library is not liable for any violations of the law by users.
Standardized Rights:
http://rightsstatements.org/vocab/InC-EDU/1.0/
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