{"id":11772,"date":"2016-11-02T10:07:33","date_gmt":"2016-11-01T23:07:33","guid":{"rendered":"http:\/\/legoeng.local\/?p=11772"},"modified":"2022-07-18T15:42:37","modified_gmt":"2022-07-18T05:42:37","slug":"diy-walkers-explorations-of-the-trotbot-walking-mechanism","status":"publish","type":"post","link":"http:\/\/legoeng.local\/diy-walkers-explorations-of-the-trotbot-walking-mechanism\/","title":{"rendered":"DIY Walkers: The TrotBot walking mechanism"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-11775 size-medium\" src=\"http:\/\/legoeng.local\/wp-content\/uploads\/2016\/10\/IMG_4529-300x225.jpg\" alt=\"img_4529\" width=\"300\" height=\"225\" srcset=\"http:\/\/legoeng.local\/wp-content\/uploads\/2016\/10\/IMG_4529-300x225.jpg 300w, http:\/\/legoeng.local\/wp-content\/uploads\/2016\/10\/IMG_4529-768x576.jpg 768w, http:\/\/legoeng.local\/wp-content\/uploads\/2016\/10\/IMG_4529.jpg 1024w, http:\/\/legoeng.local\/wp-content\/uploads\/2016\/10\/IMG_4529-600x450.jpg 600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>I was part of the team that developed the <a href=\"http:\/\/legoeng.local\/trotbot-walking-machine\/\">TrotBot<\/a> linkage mechanism in LEGO, and then helped to scale it up to the size of a minivan.<\/p>\n<p>We gained a ton of knowledge from the scale-up and I\u2019ve taken many of the improvements that we made at minivan scale back to LEGO, which really improved my builds.<\/p>\n<div style=\"clear: both;\"><\/div>\n<p>Here are a couple examples:<\/p>\n<p><iframe loading=\"lazy\" title=\"Walkers in the Desert\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/gg5z7AImwnc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p><iframe loading=\"lazy\" title=\"TrotBot LEGO Walker\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/Ndys0xC4F-k?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>I&#8217;ve posted detailed plans on how I built TrotBot, along with some of the engineering insights that helped me to improve it <a href=\"https:\/\/www.diywalkers.com\/trotbot.html\" target=\"_blank\" rel=\"noopener noreferrer\">here<\/a>.<\/p>\n<p>I\u2019ve also started to post a few challenge questions of the type we had to answer to design and build TrotBot. I hope you or your students give them a go! You can find them in my <a href=\"https:\/\/www.diywalkers.com\/blog\/category\/challenge-questions\" target=\"_blank\" rel=\"noopener noreferrer\">blog<\/a>.<\/p>\n<p>I hope you find this useful and inspiring.<\/p>\n<p>Ben Vagle<\/p>\n<div class=\"also-in-this-series\">\n<h3 class=\"series-title\">Also in <q>DIY Walkers<\/q><\/h3>\n<ol start=\"1\">\n<li class=\"series-post\">\n\t\t\t<a href=\"http:\/\/legoeng.local\/diy-walkers-explorations-of-the-trotbot-walking-mechanism\/\" title=\"DIY Walkers: The TrotBot walking mechanism\">DIY Walkers: The TrotBot walking mechanism<\/a>\n\t\t<\/li>\n<li class=\"series-post\">\n\t\t\t<a href=\"http:\/\/legoeng.local\/diy-walkers-trotbot-using-ev3\/\" title=\"DIY Walkers: TrotBot using EV3\">DIY Walkers: TrotBot using EV3<\/a>\n\t\t<\/li>\n<li class=\"series-post\">\n\t\t\t<a href=\"http:\/\/legoeng.local\/diy-walkers-strider\/\" title=\"DIY Walkers: Strider\">DIY Walkers: Strider<\/a>\n\t\t<\/li>\n<li class=\"series-post\">\n\t\t\t<a href=\"http:\/\/legoeng.local\/ev3-trotbot-version-2-inspired-by-a-galloping-horse\/\" title=\"EV3 TrotBot Version 2: Inspired by a Galloping Horse\">EV3 TrotBot Version 2: Inspired by a Galloping Horse<\/a>\n\t\t<\/li>\n<li class=\"series-post\">\n\t\t\t<a href=\"http:\/\/legoeng.local\/hexapod-trotbot-a-classroom-friendly-diy-walker\/\" title=\"Hexapod TrotBot: A classroom-friendly DIY walker\">Hexapod TrotBot: A classroom-friendly DIY walker<\/a>\n\t\t<\/li>\n<li class=\"series-post\">\n\t\t\t<a href=\"http:\/\/legoeng.local\/diy-walkers-klanns-mechanical-spider\/\" title=\"DIY Walkers: Klann&#8217;s Mechanical Spider\">DIY Walkers: Klann&#8217;s Mechanical Spider<\/a>\n\t\t<\/li>\n<li class=\"series-post\">\n\t\t\t<a href=\"http:\/\/legoeng.local\/rapidly-prototyping-strider-ver-3-to-be-smoother-stronger-faster\/\" title=\"Rapidly Prototyping Strider &#8211; Smoother, Stronger, Faster\">Rapidly Prototyping Strider &#8211; Smoother, Stronger, Faster<\/a>\n\t\t<\/li>\n<li class=\"series-post\">\n\t\t\t<a href=\"http:\/\/legoeng.local\/linkage-warm-ups-1\/\" title=\"Linkage Warm Ups 1: LEGO Punchers and the 4-Bar Linkage\">Linkage Warm Ups 1: LEGO Punchers and the 4-Bar Linkage<\/a>\n\t\t<\/li>\n<li class=\"series-post\">\n\t\t\t<a href=\"http:\/\/legoeng.local\/linkage-warm-ups-2-lego-jumpers-and-hoppers\/\" title=\"Linkage Warm Ups 2: LEGO Jumpers and Hoppers\">Linkage Warm Ups 2: LEGO Jumpers and Hoppers<\/a>\n\t\t<\/li>\n<\/ol>\n<p><a href=\"http:\/\/legoeng.local\/series\/diy-walkers\/\">View the entire series<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>I was part of the team that developed the TrotBot linkage mechanism in LEGO, and then helped to scale it up to the size of a minivan. We gained a ton of knowledge from the scale-up and I\u2019ve taken many of the improvements that we made at minivan scale back to LEGO, which really improved [&hellip;]<\/p>\n","protected":false},"author":591,"featured_media":11775,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"video","meta":{"footnotes":""},"categories":[99,502],"tags":[132,131,559],"_links":{"self":[{"href":"http:\/\/legoeng.local\/wp-json\/wp\/v2\/posts\/11772"}],"collection":[{"href":"http:\/\/legoeng.local\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/legoeng.local\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/legoeng.local\/wp-json\/wp\/v2\/users\/591"}],"replies":[{"embeddable":true,"href":"http:\/\/legoeng.local\/wp-json\/wp\/v2\/comments?post=11772"}],"version-history":[{"count":1,"href":"http:\/\/legoeng.local\/wp-json\/wp\/v2\/posts\/11772\/revisions"}],"predecessor-version":[{"id":14307,"href":"http:\/\/legoeng.local\/wp-json\/wp\/v2\/posts\/11772\/revisions\/14307"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/legoeng.local\/wp-json\/wp\/v2\/media\/11775"}],"wp:attachment":[{"href":"http:\/\/legoeng.local\/wp-json\/wp\/v2\/media?parent=11772"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/legoeng.local\/wp-json\/wp\/v2\/categories?post=11772"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/legoeng.local\/wp-json\/wp\/v2\/tags?post=11772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}