{"projectId":33988,"project":{"projectId":33988,"title":"Dimensionally Stable Structural Space Cable","startDate":"2015-06-17","startYear":2015,"startMonth":6,"endDate":"2015-12-17","endYear":2015,"endMonth":12,"programId":73,"program":{"ableToSelect":false,"acronym":"SBIR/STTR","isActive":true,"description":"<p>The NASA SBIR and STTR programs fund the research, development, and demonstration of innovative technologies that fulfill NASA needs as described in the annual Solicitations and have significant potential for successful commercialization. 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Specifically, the NASA SBIR/STTR Program has the Phase II Enhancement (Phase II-E) and Phase II eXpanded (Phase II-X) contract options.&nbsp;</p><p><strong>Please review the links below to obtain more information on the SBIR/STTR programs.</strong></p><ul><li><strong><a target=\"_blank\" href=\"http://sbir.gsfc.nasa.gov/sites/default/files/ParticipationGuide.pdf\">Participation Guide</a></strong></li></ul><p>Provides an overview of the SBIR and STTR programs as implemented by NASA</p><ul><li><strong><a href=\"http://sbir.gsfc.nasa.gov/solicitations\">Program Solicitations</a></strong></li></ul><p>Provides access to the annual SBIR/STTR Solicitations containing detailed information on the program eligibility requirements, proposal instructions and research topics and subtopics</p><ul><li><strong><a href=\"http://sbir.gsfc.nasa.gov/prg_sched_anncmnt\">Schedule and Awards</a></strong></li></ul><p>Schedule and links for the SBIR/STTR solicitations and selection announcements</p><ul><li><strong><a href=\"http://sbir.gsfc.nasa.gov/content/additional-sources-assistance\">Sources of Assistance</a></strong></li></ul><p>Federal and non-Federal sources of assistance for small business</p><ul><li><strong><a href=\"http://sbir.gsfc.nasa.gov/abstract_archives\">Awarded Abstracts</a></strong></li></ul><p>Search our complete archive of awarded project abstracts to learn about what NASA has funded</p><ul><li><strong><a href=\"http://sbir.gsfc.nasa.gov/content/frequently-asked-questions\">Frequently Asked Questions</a></strong></li></ul><p>&nbsp;Still have questions? 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Specifically, the NASA SBIR/STTR Program has the Phase II Enhancement (Phase II-E) and Phase II eXpanded (Phase II-X) contract options.&nbsp;</p><p><strong>Please review the links below to obtain more information on the SBIR/STTR programs.</strong></p><ul><li><strong><a target=\"_blank\" href=\"http://sbir.gsfc.nasa.gov/sites/default/files/ParticipationGuide.pdf\">Participation Guide</a></strong></li></ul><p>Provides an overview of the SBIR and STTR programs as implemented by NASA</p><ul><li><strong><a href=\"http://sbir.gsfc.nasa.gov/solicitations\">Program Solicitations</a></strong></li></ul><p>Provides access to the annual SBIR/STTR Solicitations containing detailed information on the program eligibility requirements, proposal instructions and research topics and subtopics</p><ul><li><strong><a href=\"http://sbir.gsfc.nasa.gov/prg_sched_anncmnt\">Schedule and Awards</a></strong></li></ul><p>Schedule and links for the SBIR/STTR solicitations and selection announcements</p><ul><li><strong><a href=\"http://sbir.gsfc.nasa.gov/content/additional-sources-assistance\">Sources of Assistance</a></strong></li></ul><p>Federal and non-Federal sources of assistance for small business</p><ul><li><strong><a href=\"http://sbir.gsfc.nasa.gov/abstract_archives\">Awarded Abstracts</a></strong></li></ul><p>Search our complete archive of awarded project abstracts to learn about what NASA has funded</p><ul><li><strong><a href=\"http://sbir.gsfc.nasa.gov/content/frequently-asked-questions\">Frequently Asked Questions</a></strong></li></ul><p>&nbsp;Still have questions? 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A key component of the Starshade structural system is a series of dimensionally stable composite cables (or spokes) that connect the center structural hub to the perimeter truss and largely determine the deployed shape and stiffness of the system much like a bicycle wheel. There are many challenges in developing the Starshade spoke. Perhaps most notable is that meeting the CTE requirement necessitates accurate control of fiber volume fraction (resin content) to less than 1%. Also challenging is that meeting the stiffness precision goal of less than 0.5% variation between cables demands that minimal fiber fraying and damage be allowed during the tow spreading and alignment process and that the net cross section be made in one step with no required post-processing. Furthermore, meeting the length precision goal requires uncommon assembly and end fitting bonding methodologies. Finally, there are challenges associated with integrating such high-performance cables into the Starshade while ensuring snag-free deployment and proper on-orbit operation. The DS3 Cable technology addresses all of these challenges with a highly tailorable thermoplastic-tape design that uses Dual Resin Bonding technology for strength and dimensional stability at the end fittings.","benefits":"-Starshade for Exoplanet-Analysis Missions -Tendon Actuated Lightweight In-Space MANipulators (TALISMAN) manipulator for Asteroid Rendezvous Mission (ARM) -High-Frequency mesh-based antennas for Earth Science (e.g., SMAP follow-on mission) -High-Frequency mesh-based antennas for Evolvable Mars Campaign (e.g. Human Mars)<br /> <br />-High-Frequency mesh-based antennas for CommSat applications (LEO CubeSat and GEO CommSat)","releaseStatus":"Released","status":"Completed","destinationType":["Outside_the_Solar_System"],"trlBegin":3,"trlCurrent":4,"trlEnd":4,"favorited":false,"detailedFunding":false,"programContacts":[{"contactId":206378,"canUserEdit":false,"firstName":"Jason","lastName":"Kessler","fullName":"Jason L Kessler","fullNameInverted":"Kessler, Jason L","middleInitial":"L","email":"jason.l.kessler@nasa.gov","receiveEmail":"Subscribed_User","programContactRole":"Program_Director","programContactId":143,"programId":73,"programContactRolePretty":"Program Director","projectContactRolePretty":""},{"contactId":62051,"canUserEdit":false,"firstName":"Carlos","lastName":"Torrez","fullName":"Carlos Torrez","fullNameInverted":"Torrez, Carlos","email":"carlos.torrez@nasa.gov","receiveEmail":"Subscribed_User","programContactRole":"Program_Manager","programContactId":194,"programId":73,"programContactRolePretty":"Program Manager","projectContactRolePretty":""}],"endDateString":"Oct 2019","startDateString":"May 2016"},"technologyOutcomePartner":"Other","technologyOutcomeDate":"2016-05-04","technologyOutcomePath":"Advanced_To","infoText":"Advanced within the program","infoTextExtra":"Another project within the program (Dimensionally Stable Structural Space Cable)","isIndirect":true,"infusionPretty":"","isBiDirectional":true,"technologyOutcomeDateString":"May 2016","technologyOutcomeDateFullString":"May 2016","technologyOutcomePartnerPretty":"Other","technologyOutcomePathPretty":"Advanced To","technologyOutcomeRationalePretty":""}],"primaryImage":{"file":{"fileExtension":"png","fileId":361374,"presignedUpload":false,"fileSizeString":"0 Byte"},"libraryItemId":359971,"description":"Dimensionally Stable Structural Space Cable, Phase I","projectId":33988,"publishedDateString":"","entryDateString":"","libraryItemTypePretty":"","modifiedDateString":""},"libraryItems":[{"file":{"fileExtension":"pdf","fileId":361375,"fileName":"SBIR_2015_1_BC_S2_02-9221","fileSize":908085,"objectId":359972,"objectType":"libraryItemFiles","presignedUpload":false,"fileSizeString":"886.8 KB"},"files":[{"fileExtension":"pdf","fileId":361375,"fileName":"SBIR_2015_1_BC_S2_02-9221","fileSize":908085,"objectId":359972,"objectType":"libraryItemFiles","presignedUpload":false,"fileSizeString":"886.8 KB"}],"libraryItemId":359972,"title":"Briefing Chart","description":"Dimensionally Stable Structural Space Cable Briefing Chart","libraryItemType":"Document","projectId":33988,"isPrimary":false,"internalOnly":false,"publishedDateString":"","entryDateString":"01/22/25 01:10 AM","libraryItemTypePretty":"Document","modifiedDateString":"01/08/24 08:27 PM"},{"file":{"fileExtension":"png","fileId":361374,"fileName":"SBIR_2015_1_BC_S2_02-9221","fileSize":891734,"objectId":359971,"objectType":"libraryItemFiles","presignedUpload":false,"fileSizeString":"870.8 KB"},"files":[{"fileExtension":"png","fileId":361374,"fileName":"SBIR_2015_1_BC_S2_02-9221","fileSize":891734,"objectId":359971,"objectType":"libraryItemFiles","presignedUpload":false,"fileSizeString":"870.8 KB"}],"libraryItemId":359971,"title":"Briefing Chart Image","description":"Dimensionally Stable Structural Space Cable, Phase I","libraryItemType":"Image","projectId":33988,"isPrimary":true,"internalOnly":false,"publishedDateString":"","entryDateString":"01/22/25 01:10 AM","libraryItemTypePretty":"Image","modifiedDateString":"01/08/24 08:27 PM"}],"states":[{"abbreviation":"CA","country":{"abbreviation":"US","countryId":236,"name":"United States"},"countryId":236,"name":"California","stateTerritoryId":59,"isTerritory":false},{"abbreviation":"CO","country":{"abbreviation":"US","countryId":236,"name":"United States"},"countryId":236,"name":"Colorado","stateTerritoryId":15,"isTerritory":false}],"endDateString":"Dec 2015","startDateString":"Jun 2015"}}