{"id":50,"date":"2025-09-27T19:25:18","date_gmt":"2025-09-27T19:25:18","guid":{"rendered":"https:\/\/engprojects.tcnj.edu\/ehpvc\/?page_id=50"},"modified":"2026-05-19T20:39:16","modified_gmt":"2026-05-19T20:39:16","slug":"ergonomics-suspension","status":"publish","type":"page","link":"https:\/\/engprojects.tcnj.edu\/ehpvc\/ergonomics-suspension\/","title":{"rendered":"Ergonomics &#038; Suspension"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><span style=\"text-decoration: underline;\">Ergonomics<\/span><\/h2>\n\n\n\n<p>The main goal of the ergonomics is to ensure a smooth ride for all riders regardless of height and weight. The design competition requirements are as follows.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Riders must be able to exit the vehicle in 15 seconds or less.<\/li>\n\n\n\n<li>A 4 or 5 point safety harness must be used.<\/li>\n\n\n\n<li>The harness must withstand all reaction forces.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"510\" height=\"660\" src=\"https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2025\/12\/Screenshot-2025-12-17-at-1.55.39\u202fPM.png\" alt=\"\" class=\"wp-image-118 size-full\" srcset=\"https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2025\/12\/Screenshot-2025-12-17-at-1.55.39\u202fPM.png 510w, https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2025\/12\/Screenshot-2025-12-17-at-1.55.39\u202fPM-232x300.png 232w\" sizes=\"auto, (max-width: 510px) 100vw, 510px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p>To ensure the ergonomics of the frame design, a fully-posable dummy was constructed in SolidWorks according to the size of our largest potential riders.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"862\" height=\"560\" src=\"https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2025\/12\/Screenshot-2025-12-17-at-1.57.04\u202fPM.png\" alt=\"\" class=\"wp-image-119 size-full\" srcset=\"https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2025\/12\/Screenshot-2025-12-17-at-1.57.04\u202fPM.png 862w, https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2025\/12\/Screenshot-2025-12-17-at-1.57.04\u202fPM-300x195.png 300w, https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2025\/12\/Screenshot-2025-12-17-at-1.57.04\u202fPM-768x499.png 768w\" sizes=\"auto, (max-width: 862px) 100vw, 862px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"550\" height=\"734\" src=\"https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2025\/12\/Screenshot-2025-12-17-at-1.57.24\u202fPM.png\" alt=\"\" class=\"wp-image-120 size-full\" srcset=\"https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2025\/12\/Screenshot-2025-12-17-at-1.57.24\u202fPM.png 550w, https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2025\/12\/Screenshot-2025-12-17-at-1.57.24\u202fPM-225x300.png 225w\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p>A goniometer was utilized along with an electric exercise bicycle to determine the optimal knee angle for comfort and power generation.  It was determined that 15\u02da was ideal.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"806\" height=\"578\" src=\"https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2025\/12\/Screenshot-2025-12-17-at-1.58.59\u202fPM.png\" alt=\"\" class=\"wp-image-121 size-full\" srcset=\"https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2025\/12\/Screenshot-2025-12-17-at-1.58.59\u202fPM.png 806w, https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2025\/12\/Screenshot-2025-12-17-at-1.58.59\u202fPM-300x215.png 300w, https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2025\/12\/Screenshot-2025-12-17-at-1.58.59\u202fPM-768x551.png 768w\" sizes=\"auto, (max-width: 806px) 100vw, 806px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p>The image to the left shows the optimized seat design with an angle of 30\u02da from the horizon.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"556\" src=\"https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2025\/12\/Screenshot-2025-12-17-at-2.00.00\u202fPM-1024x556.png\" alt=\"\" class=\"wp-image-122 size-full\" srcset=\"https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2025\/12\/Screenshot-2025-12-17-at-2.00.00\u202fPM-1024x556.png 1024w, https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2025\/12\/Screenshot-2025-12-17-at-2.00.00\u202fPM-300x163.png 300w, https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2025\/12\/Screenshot-2025-12-17-at-2.00.00\u202fPM-768x417.png 768w, https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2025\/12\/Screenshot-2025-12-17-at-2.00.00\u202fPM-1536x833.png 1536w, https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2025\/12\/Screenshot-2025-12-17-at-2.00.00\u202fPM.png 1622w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p>Ensuring rider safety is a critical component of the design.  Members were added to the frame to prevent the rider from impacting the ground in the event of a rollover as shown in the image to left.<\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span style=\"text-decoration: underline;\">Suspension System<\/span><\/h2>\n\n\n\n<p>The ultimate goal for the suspension system is to increase rider comfort while maintaining strong electrical connections throughout the duration of the 2.5 hour endurance race. Design considerations are as follows.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Minimize added weight<\/li>\n\n\n\n<li>Minimize added cost<\/li>\n\n\n\n<li>Keep center of gravity low<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"904\" height=\"1024\" src=\"https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2026\/05\/image-1-904x1024.jpeg\" alt=\"\" class=\"wp-image-129\" srcset=\"https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2026\/05\/image-1-904x1024.jpeg 904w, https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2026\/05\/image-1-265x300.jpeg 265w, https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2026\/05\/image-1-768x870.jpeg 768w, https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2026\/05\/image-1-1355x1536.jpeg 1355w, https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2026\/05\/image-1.jpeg 1807w\" sizes=\"auto, (max-width: 904px) 100vw, 904px\" \/><\/figure><\/div>\n\n\n<p>Completed seat with 4-point safety harness.<\/p>\n\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2026\/05\/image-2-1024x768.jpeg\" alt=\"\" class=\"wp-image-130\" title=\"IMG_8087.jpeg\" srcset=\"https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2026\/05\/image-2-1024x768.jpeg 1024w, https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2026\/05\/image-2-300x225.jpeg 300w, https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2026\/05\/image-2-768x576.jpeg 768w, https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2026\/05\/image-2-1536x1152.jpeg 1536w, https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-content\/uploads\/sites\/308\/2026\/05\/image-2.jpeg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p>Final manufactured ergonomics subsection.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ergonomics The main goal of the ergonomics is to ensure a smooth ride for all riders regardless of height and weight. The design competition requirements are as follows. To ensure the ergonomics of the frame design, a fully-posable dummy was constructed in SolidWorks according to the size of our largest potential riders. A goniometer was &hellip; <a href=\"https:\/\/engprojects.tcnj.edu\/ehpvc\/ergonomics-suspension\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Ergonomics &#038; Suspension<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":727,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-50","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-json\/wp\/v2\/pages\/50","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-json\/wp\/v2\/users\/727"}],"replies":[{"embeddable":true,"href":"https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-json\/wp\/v2\/comments?post=50"}],"version-history":[{"count":0,"href":"https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-json\/wp\/v2\/pages\/50\/revisions"}],"wp:attachment":[{"href":"https:\/\/engprojects.tcnj.edu\/ehpvc\/wp-json\/wp\/v2\/media?parent=50"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}