NASA NTRS · 20080004250
Counterrotating aircraft propulsor blades
Abstract
A propulsor blade for an aircraft engine includes an airfoil section formed in the shape of a scimitar. A metallic blade spar is interposed between opposed surfaces of the blade and is bonded to the surfaces to establish structural integrity of the blade. The metallic blade spar includes a root end allowing attachment of the blade to the engine.
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Nelson, Joey L., Elston, III, Sidney B., Tseng, Wu-Yang, Hemsworth, Martin C.. 1993-03-30. Counterrotating aircraft propulsor blades. https://ntrs.nasa.gov/citations/20080004250
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