File:Alcoa-10kW-VAWT-Somerset-PA-c1981-Sequence-102.jpg
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![File:Alcoa-10kW-VAWT-Somerset-PA-c1981-Sequence-102.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/0/0c/Alcoa-10kW-VAWT-Somerset-PA-c1981-Sequence-102.jpg/800px-Alcoa-10kW-VAWT-Somerset-PA-c1981-Sequence-102.jpg?20230302000003)
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Captions
Installation of an 8-kW Alcoa Darrieus wind turbine near Somerset, Pennsylvania in 1981.
Summary
[edit]DescriptionAlcoa-10kW-VAWT-Somerset-PA-c1981-Sequence-102.jpg |
English: Archival photos document an installation sequence for an 8-kW prototype Darrieus wind turbine developed by Alcoa, the giant aluminum manufacturer, in 1981 near Somerset, Pennsylvania. Alcoa developed this unique design of a cantilevered Darrieus as part of the spinoffs from Sandia’s VAWT research program. Unlike other Darrieus turbines, this model does not use guy cables to hold the turbine upright. Further, the torque or central tube was made from spiral welded drainage pipe in an attempt to cut fabrication costs. |
Date | |
Source | Own work |
Author | Paul Gipe |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 00:00, 2 March 2023 | ![]() | 1,200 × 800 (260 KB) | Paul Gipe (talk | contribs) | Uploaded own work with UploadWizard |
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Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | ArcSoft PhotoStudio |
File change date and time | 2013-03-18T14:44:31-07:00 |
Exif version | 2.2 |
Image width | 1,200 px |
Image height | 800 px |
Color space | Uncalibrated |
Width | 1,200 px |
Height | 800 px |
Pixel composition | RGB |
Number of components | 3 |
Bits per component |
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Rating (out of 5) | 0 |
Date metadata was last modified | 04:13, 1 March 2023 |
Date and time of digitizing | 02:33, 18 March 2013 |
Unique ID of original document | 1988FAF82D2D355FBB972FC042071B24 |
IIM version | 2 |