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Mechanical Device Traces ParabolasMechanical device simplifies generation of parabolas of various focal lengths. Based on fundamental geometrical construction of parabola. Constancy of critical total distance enforced by maintaining cable in tension. Applications of device include design of paraboloidal antennas, approximating catenaries on drawings of powerlines or long-wire antennas, and general tracing of parabolas on drawings.
Document ID
19890000519
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Soper, Terry A.
(Lockheed Engineering and Management Services Co., Inc.)
Date Acquired
August 14, 2013
Publication Date
October 1, 1989
Publication Information
Publication: NASA Tech Briefs
Volume: 13
Issue: 10
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
MSC-21421
Accession Number
89B10519
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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