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Method of making counterrotating aircraft propeller bladesAn aircraft propeller blade is constructed by forming two shells of composite material laminates and bonding the two shells to a metallic spar with foam filler pieces interposed between the shells at desired locations. The blade is then balanced radially and chordwise.
Document ID
20080008730
Acquisition Source
Headquarters
Document Type
Other - Patent
Authors
Nelson, Joey L.
Elston, III, Sidney B.
Tseng, Wu-Yang
Hemsworth, Martin C.
Date Acquired
August 24, 2013
Publication Date
November 20, 1990
Subject Category
Aircraft Design, Testing And Performance
Report/Patent Number
Patent Number: US-Patent-4,971,641
Patent Application Number: US-Patent-Appl-SN-490506
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-Patent-4,971,641
Patent Application
US-Patent-Appl-SN-490506

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