Bronze level automatically awarded US beta

This data has achieved Bronze level on 25 October 2015 which means this data makes a great start at the basics of publishing open data.

Fully Integral, Flexible Composite Driveshaft Project

Description

An all-composite driveshaft incorporating integral flexible diaphragms is described and proposed for further refinement. An approach is explored which obsoletes the split lines and associated fasteners required to attach metallic flex elements and either metallic or composite spacing tubes in current solutions. Sub-critical driveshaft weights half that of incumbent technology are projected for typical rotary wing shaft lengths. Spacing tubes are described, which comprise an integral part of the initial tooling but which remain part of the finished shaft and control natural frequencies and torsional stability. A concurrently engineered manufacturing process and design for performance is proposed which competes with incumbent solutions at significantly lower weight and with the probability of improved damage tolerance and fatigue life. This phase I proposal seeks to further remove manufacturing cost and to produce test articles suitable for concept verification and, subsequently, flight qualification during phase II.

General Information

Legal Information

This dataset has been created by US Government which means it is required to be in the public domain. However US copyright law only allows open access by US citizens, we have assumed the data is equivalently licensed as CC0 for the rest of the world as this is in the spirit of the US Government’s Open Data policy.

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    http://catalog.data.gov/dataset/fully-integral-flexible-composite-driveshaft-project Do you think this data is incorrect? Let us know

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Practical Information

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    http://catalog.data.gov/organization/nasa-gov Do you think this data is incorrect? Let us know

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Technical Information

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    http://techport.nasa.gov/xml-api/6967 Do you think this data is incorrect? Let us know

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  • Find out how to contact someone about this data at

    http://catalog.data.gov/dataset/fully-integral-flexible-composite-driveshaft-project Do you think this data is incorrect? Let us know

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    http://www.data.gov/issue/?media_url=http://catalog.data.gov/dataset/fully-integral-flexible-composite-driveshaft-project Do you think this data is incorrect? Let us know