{"id":9435,"date":"2026-07-21T15:23:16","date_gmt":"2026-07-21T15:23:16","guid":{"rendered":"https:\/\/rdgundem.com\/coilable-stacked-solar-sails-for-very-high-delta-v-missions\/"},"modified":"2026-07-21T15:23:16","modified_gmt":"2026-07-21T15:23:16","slug":"coilable-stacked-solar-sails-for-very-high-delta-v-missions","status":"publish","type":"post","link":"https:\/\/rdgundem.com\/en\/coilable-stacked-solar-sails-for-very-high-delta-v-missions\/","title":{"rendered":"Coilable Stacked Solar Sails for Very High delta-V Missions"},"content":{"rendered":"<div class=\"padding-top-5 padding-bottom-3 width-full maxw-full hds-module hds-module-full alignfull wp-block-nasa-blocks-article-intro\">\n<div class=\"width-full maxw-full article-header\">\n<div class=\"margin-bottom-2 width-full maxw-full\">\n<p class=\"label carbon-60 margin-0 margin-bottom-3 padding-0\">2 min read<\/p>\n<h1 class=\"display-48 margin-bottom-2\">Preparations for Next Moonwalk Simulations Underway (and Underwater)<\/h1>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"hds-media hds-module wp-block-image\">\n<div class=\"margin-left-auto margin-right-auto nasa-block-align-inline\">\n<div class=\"hds-media-wrapper margin-left-auto margin-right-auto\">\n<figure class=\"hds-media-inner hds-cover-wrapper hds-media-ratio-fit\"><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2026\/06\/niac-2026-ph1-davoyan.png\"><img decoding=\"async\" width=\"1108\" height=\"702\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2026\/06\/niac-2026-ph1-davoyan.png?w=1108\" class=\"attachment-2048x2048 size-2048x2048\" alt=\"Artist rendition of coilable stacked solar sails.\" loading=\"lazy\"><\/a><\/figure><figcaption class=\"hds-caption padding-y-2\">\n<div class=\"hds-caption-text p-sm margin-0\">Graphic depiction of the Coilable Stacked Solar Sails for Very High delta-V Missions concept.<\/div>\n<div class=\"hds-credits\">Artur Davoyan<\/div>\n<\/figcaption><\/div>\n<\/div>\n<\/div>\n<p class=\"wp-block-paragraph\"><strong>Artur<\/strong> <strong>Davoyan<\/strong><\/p>\n<p class=\"wp-block-paragraph\"><em>University of California, Los Angeles<\/em><\/p>\n<p class=\"wp-block-paragraph\">The goal of the proposed program is to enable the next generation of solar sails featuring very high characteristic acceleration\u2013potentially up to 2 mm\/s\u00b2\u2013and large effective areas exceeding 10,000 m\u00b2, to support future ultra\u2013high delta-V missions. These advanced solar sails would significantly transform space exploration and utilization, making possible a range of missions currently beyond the capabilities of conventional chemical and electric propulsion. Examples include Earth and Venus pole-sitter spacecraft, solar polar imagers, and low-cost, fast-transit probes to the outer planets and interstellar medium. Achieving high characteristic accelerations (&gt;0.3 mm\/s\u00b2) has long been a central goal of solar sailing. However, this objective remains elusive, largely due to challenges associated with scaling up sail size. As sail area increases, so do the mass and complexity of deployment mechanisms. In particular, unfolding large sail membranes during deployment remains a key technical hurdle.<\/p>\n<p class=\"wp-block-paragraph\">To overcome these challenges, we propose a fundamentally new solar sail architecture that eliminates the need for membrane unfolding and simplifies deployment. Our concept integrates two core technologies: (i) A lightweight, coilable truss structure that deploys a stack of sail membranes, each with an area between 50\u2013150 m\u00b2 (limited by the rocket fairing), and (ii) Tensegrity engineering to maintain the structural integrity and shape of the deployed system. <\/p>\n<p class=\"wp-block-paragraph\">In the deployed configuration, the sail membranes form a \u201cstaircase\u201d structure supported by a central coilable truss that passes through the center of each frameless sail. The overall assembly behaves as a tensegrity structure, maintaining its shape without traditional rigid frames. In the stowed configuration, each sail remains unfolded and is stored as part of a stacked assembly inside a guide container\u2013or \u201cmothercraft\u201d\u2013which also facilitates controlled deployment. In Phase I, we will design and test deployment prototypes and conduct numerical studies of the stacked sail system. These high-acceleration stacked sails are intended for solar-stationary observation missions, including probes placed into halo orbits at 0.4 AU perihelion and 60\u00b0 solar latitude.<\/p>\n<p class=\"wp-block-paragraph\"><strong><strong><a href=\"https:\/\/www.nasa.gov\/directorates\/stmd\/niac\/niac-studies\/niac-2026-selections\/\">2026 Selections<\/a><\/strong><\/strong><\/p>\n<div class=\"hds-social-media grid-container grid-container-block nasa-gb-align- width-full maxw-full margin-y-0 padding-y-5 padding-x-3 desktop:padding-x-0 font-weight-bold hds-module wp-block-nasa-blocks-social-media-links\">\n<div class=\"display-flex flex-align-center padding-y-1\">\n<div class=\"circle-4 minw-4 display-flex flex-align-center flex-justify-center\">\n\t\t\t\t<title>Facebook logo<\/title>\t\t\t<\/div>\n<div class=\"hds-social-media-items padding-left-2\">\n\t\t\t\t<a target=\"_blank\" class=\"margin-right-2\" href=\"https:\/\/facebook.com\/NASATechnology\" aria-label=\"Go to 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Artur Davoyan Artur Davoyan University of California, Los Angeles The goal of the proposed program is to enable the next generation of solar sails featuring very high characteristic acceleration\u2013potentially up &hellip;<\/p>","protected":false},"author":1,"featured_media":9424,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pagelayer_contact_templates":[],"_pagelayer_content":"","footnotes":""},"categories":[21],"tags":[],"class_list":["post-9435","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknoloji"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Coilable Stacked Solar Sails for Very High delta-V Missions - RD GUNDEM<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rdgundem.com\/en\/coilable-stacked-solar-sails-for-very-high-delta-v-missions\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Coilable Stacked Solar Sails for Very High delta-V Missions - RD GUNDEM\" \/>\n<meta property=\"og:description\" content=\"2 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Graphic depiction of the Coilable Stacked Solar Sails for Very High delta-V Missions concept. 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