NASA NTRS · 19840004425
Vertical shaft windmill
Abstract
A vertical shaft has several equally spaced blades mounted. Each blade consists of an inboard section and an outboard section skew hinged to the inboard section. The inboard sections automatically adjust their positions with respect to the fixed inboard sections with changes in velocity of the wind. This windmill design automatically governs the maximum rotational speed of shaft.
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Grana, D. C., Inge, S. V., Jr.. 1983-11-15. Vertical shaft windmill. https://ntrs.nasa.gov/citations/19840004425
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