{"id":35629,"date":"2023-08-17T15:54:52","date_gmt":"2023-08-17T15:54:52","guid":{"rendered":"https:\/\/thern.com\/portfolio-2\/aerostat-positioning\/"},"modified":"2025-08-08T16:31:42","modified_gmt":"2025-08-08T16:31:42","slug":"aerostat-positioning","status":"publish","type":"page","link":"https:\/\/thern.com\/en-GB\/portfolio\/aerostat-positioning\/","title":{"rendered":"Aerostat Positioning"},"content":{"rendered":"

[vc_section full_width=”stretch_row” content_placement=”middle” css=”.vc_custom_1693341837151{padding-top: 0px !important;background-image: url(https:\/\/thern.com\/wp-content\/uploads\/2023\/07\/Thern-Inc_Portfolio-Hero.jpg?id=481) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}”][vc_row full_width=”stretch_row” css=”.vc_custom_1693341846778{padding-top: 50px !important;padding-bottom: 70px !important;background-color: rgba(0,0,0,0.5) !important;*background-color: rgb(0,0,0) !important;}”][vc_column][vc_custom_heading text=”Portfolio” font_container=”tag:h1|text_align:left|color:%23ffffff” use_theme_fonts=”yes” css_animation=”fadeInLeft”][\/vc_column][\/vc_row][\/vc_section][vc_row full_width=”stretch_row” equal_height=”yes” content_placement=”middle” css=”.vc_custom_1689180629506{padding-bottom: 35px !important;background-color: #c71a32 !important;}”][vc_column width=”2\/3″][vc_custom_heading text=”Aerostat Positioning Winch” font_container=”tag:h2|text_align:left|color:%23ffffff” use_theme_fonts=”yes” css_animation=”fadeInLeft”][\/vc_column][vc_column width=”1\/3″][\/vc_column][\/vc_row][vc_row equal_height=”yes” css=”.vc_custom_1693341952323{padding-bottom: 35px !important;}”][vc_column css_animation=”fadeInLeft” width=”1\/2″][vc_column_text]DESIGNED AND CUSTOM BUILT TO DEPLOY, HOLD AND RETRIEVE SURVEILLANCE AEROSTATS<\/strong><\/p>\n

The nature of the load for this unique application demanded a highly specialized winch system, including specifications for extremely large wire rope capacity on the drum, the ability to supply electrical power to the aerostats while deployed and the ability to maintain uniform wrapping of the wire rope on the drum despite a limited fleet angle.<\/p>\n

The result was the 4HBP56M-S4 electric winch, a winch unlike anything Thern had ever built before and sporting some very sophisticated features. First, the winch has an oversized drum, capable of spooling 6,600 feet of \u00be-inch diameter fiber optic tether. Second, a slip ring facilitates the use of fiber optic tether, capable of supporting a live electrical and data connection to the aerostat and its on-board equipment. And finally, the winch includes a two-part pivoting sheave system \u2014 a directional sheave that rocks back and forth to enable uniform spooling onto the drum, compensating for a lack of sufficient fleet-angle distance between the sheave and drum, and a separate \u201cflying sheave\u201d that pivots, allowing for the tether to feed off of the sheave anywhere within a 60 degree cone overhead. This is necessary to compensate for wind forces acting on the aerostat while deployed.[\/vc_column_text][vc_btn title=”Back to Portfolio” style=”custom” custom_background=”#c71a32″ custom_text=”#ffffff” shape=”square” size=”lg” align=”left” i_icon_fontawesome=”fas fa-angle-left” add_icon=”true” link=”url:https%3A%2F%2Fthern.com%2Fen-GB%2Fportfolio-2%2F|title:Portfolio|”][\/vc_column][vc_column css_animation=”fadeInRight” width=”1\/2″][vc_gallery type=”flexslider_slide” interval=”0″ images=”23762,23764,23763″ img_size=”full” onclick=””][vc_single_image image=”22864″ img_size=”full”][\/vc_column][\/vc_row][vc_row full_width=”stretch_row” css=”.vc_custom_1693341929685{padding-top: 35px !important;padding-bottom: 35px !important;background-color: #efefef !important;}”][vc_column width=”1\/6″][\/vc_column][vc_column css_animation=”fadeInUp” width=”4\/6″][vc_custom_heading text=”We’re Here to Help” font_container=”tag:h2|text_align:center|color:%230a0a0a” use_theme_fonts=”yes” css=”.vc_custom_1689180978485{margin-bottom: 0px !important;}”][vc_column_text]<\/p>\n

Have questions? Thern\u2019s friendly and knowledgeable sales and service personnel are eager to assist you.<\/p>\n

[\/vc_column_text][vc_btn title=”Contact Us” style=”custom” custom_background=”#c71a32″ custom_text=”#ffffff” shape=”square” size=”lg” align=”center” i_align=”right” i_icon_fontawesome=”fas fa-angle-right” add_icon=”true” link=”url:https%3A%2F%2Fthern.com%2Fen-GB%2Fcontact-2%2F|title:Contact|”][\/vc_column][vc_column width=”1\/6″][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

[vc_section full_width=”stretch_row” content_placement=”middle” css=”.vc_custom_1693341837151{padding-top: 0px !important;background-image: url(https:\/\/thern.com\/wp-content\/uploads\/2023\/07\/Thern-Inc_Portfolio-Hero.jpg?id=481) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}”][vc_row full_width=”stretch_row” css=”.vc_custom_1693341846778{padding-top: 50px !important;padding-bottom: 70px !important;background-color: rgba(0,0,0,0.5) !important;*background-color: rgb(0,0,0) !important;}”][vc_column][vc_custom_heading text=”Portfolio” font_container=”tag:h1|text_align:left|color:%23ffffff” use_theme_fonts=”yes” css_animation=”fadeInLeft”][\/vc_column][\/vc_row][\/vc_section][vc_row full_width=”stretch_row” equal_height=”yes” content_placement=”middle” css=”.vc_custom_1689180629506{padding-bottom: 35px !important;background-color: #c71a32 !important;}”][vc_column width=”2\/3″][vc_custom_heading text=”Aerostat Positioning Winch” font_container=”tag:h2|text_align:left|color:%23ffffff” use_theme_fonts=”yes” css_animation=”fadeInLeft”][\/vc_column][vc_column width=”1\/3″][\/vc_column][\/vc_row][vc_row equal_height=”yes” css=”.vc_custom_1693341952323{padding-bottom: 35px !important;}”][vc_column css_animation=”fadeInLeft” width=”1\/2″][vc_column_text]DESIGNED AND CUSTOM BUILT TO DEPLOY, … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":35550,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-35629","page","type-page","status-publish"],"yoast_head":"\nAerostat Positioning - 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