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Deployable flexible ventral fins for use as an emergency spin recovery device in aircraftA flexible fin device for mounting on an aircraft to effect spin recovery is described. The device may be selectively deployed to provide a triangular planform of flexible material to provide spin recovery, and retracted for compact storage during non-use. A single flexible fin may be deflected in a specific direction depending on direction of spin rotation, or two flexible fins forming an inverted V configuration may be used. The device is mounted on the underbody of the aircraft.
Document ID
19740022308
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Burk, S. M., Jr. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 3, 2013
Publication Date
July 30, 1974
Subject Category
Computers
Accession Number
74N30421
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-PATENT-3,826,448|NASA-CASE-LAR-10753-1
Patent Application
US-PATENT-APPL-SN-289018

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