{"id":36075,"date":"2017-11-08T14:33:47","date_gmt":"2017-11-08T19:33:47","guid":{"rendered":"https:\/\/www.shapeways.com\/blog\/?p=36075"},"modified":"2017-12-21T14:11:43","modified_gmt":"2017-12-21T19:11:43","slug":"lighter-faster-stronger-christian-lorenzs-incredible-rc-crawler-no-name","status":"publish","type":"post","link":"https:\/\/www.shapeways.com\/blog\/lighter-faster-stronger-christian-lorenzs-incredible-rc-crawler-no-name","title":{"rendered":"Lighter, Faster, Stronger: Christian Lorenz&#8217;s Incredible RC Crawler With No Name"},"content":{"rendered":"<p>Over the summer, community manager Ruud van den Muijzenberg and I <a href=\"https:\/\/www.shapeways.com\/blog\/archives\/33220-weekend-rc-crawling-across-world.html\" target=\"_blank\" rel=\"noopener\">traveled across Europe<\/a> visiting RC car events. One of the best things about these trips was the incredibly cool people we met along the way. To our delight, many of them were already using Shapeways 3D printed <a href=\"https:\/\/www.shapeways.com\/marketplace\/tech\/rc-cars\/\" target=\"_blank\" rel=\"noopener\">parts on their RC cars<\/a>.<\/p>\n<p>At <a href=\"http:\/\/recong6.com\/\" target=\"_blank\" rel=\"noopener\">Recon G6 Belgium<\/a>, a RC scaler and crawler event in the Belgian Ardennes, we were lucky enough to meet Christian Lorenz. He has been using Shapeways to develop his own design of a rock crawler chassis.<\/p>\n<div id=\"attachment_36076\" style=\"width: 850px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-36076\" class=\"wp-image-36076 size-medium\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66961-840x560.jpg\" alt=\"Christian Lorenz holding his custom RC crawler\" width=\"840\" height=\"560\" data-wp-pid=\"36076\" srcset=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66961-840x560.jpg 840w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66961-420x280.jpg 420w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66961-768x512.jpg 768w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66961-1120x747.jpg 1120w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66961-800x533.jpg 800w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66961-400x267.jpg 400w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66961-300x200.jpg 300w\" sizes=\"auto, (max-width: 840px) 100vw, 840px\" \/><p id=\"caption-attachment-36076\" class=\"wp-caption-text\">Christian and his crawler<\/p><\/div>\n<p><strong>Name:<\/strong> Christian Lorenz<br \/>\n<strong>Age:<\/strong> 35<br \/>\n<strong>From:<\/strong> Karlsruhe, Germany<br \/>\n<strong>Profession:<\/strong> Process Operator<br \/>\n<strong>Hobbies:<\/strong> Mountain biking, BMX, Running, Swimming<br \/>\n<strong>Years in RC:<\/strong> 8<br \/>\n<strong>First RC Car:<\/strong> Tamiya Manta Ray<\/p>\n<div id=\"attachment_36085\" style=\"width: 850px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-36085\" class=\"size-medium wp-image-36085\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_67541-840x560.jpg\" alt=\"One of the steep, RC crawling rocky trails at ReconG6 Belgium\" width=\"840\" height=\"560\" data-wp-pid=\"36085\" srcset=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_67541-840x560.jpg 840w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_67541-420x280.jpg 420w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_67541-768x512.jpg 768w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_67541-1120x747.jpg 1120w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_67541-800x533.jpg 800w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_67541-400x267.jpg 400w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_67541-300x200.jpg 300w\" sizes=\"auto, (max-width: 840px) 100vw, 840px\" \/><p id=\"caption-attachment-36085\" class=\"wp-caption-text\">One of the steep, rocky trails at ReconG6 Belgium<\/p><\/div>\n<p>Christian made his way from his home in Karlsruhe, Germany to the Belgian forest for Recon G6. He brought multiple cars to the event, but the one we were most interested in is his Prototype Rock Crawler, designed by Christian himself from scratch.<\/p>\n<p>After being out of the RC car hobby for some years, Christian caught the bug again and started with an <a href=\"http:\/\/www.axialracing.com\/t\/vehicles\/scx10\" target=\"_blank\" rel=\"noopener\">Axial SCX10<\/a> scale truck. While working at a mold-making company, his access to CAD software and milling machines meant that it didn\u2019t take long for him to start making custom parts for his trucks.<\/p>\n<div id=\"attachment_36092\" style=\"width: 850px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-36092\" class=\"size-medium wp-image-36092\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66911-840x560.jpg\" alt=\"Christian\u2019s unnamed Prototype RC Rock Crawler\" width=\"840\" height=\"560\" data-wp-pid=\"36092\" srcset=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66911-840x560.jpg 840w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66911-420x280.jpg 420w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66911-768x512.jpg 768w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66911-1120x747.jpg 1120w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66911-800x533.jpg 800w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66911-400x267.jpg 400w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66911-300x200.jpg 300w\" sizes=\"auto, (max-width: 840px) 100vw, 840px\" \/><p id=\"caption-attachment-36092\" class=\"wp-caption-text\">Christian\u2019s unnamed Prototype Rock Crawler<\/p><\/div>\n<p>The Prototype Rock Crawler is Christian&#8217;s second custom build truck. His first project, the Spilux, was a scale rock crawler truck with Pure Spider axles, a custom carbon chassis and a bunch of handmade milled metal parts, all covered by a bobbed Toyota Hilux body. The new crawler was designed to compete in the prototype class in the German <a href=\"https:\/\/www.youtube.com\/watch?v=arDP1uAX6jI\" target=\"_blank\" rel=\"noopener\">Yeti Trial Challenge<\/a>. Almost every single part on the car was designed by Christian himself and is either 3D printed at Shapeways or milled from carbon fiber plates or brass. It took about three months of development and designing in <a href=\"http:\/\/www.cimatron.com\/\" target=\"_blank\" rel=\"noopener\">Cimatron<\/a> to complete the crawler. It&#8217;s an amazing feat of engineering from just one man, one that looks like it\u2019s from a big manufacturer.<\/p>\n<p>The main chassis is a skeleton construction featuring many extra supports to make sure the chassis is strong and stiff enough to handle the abuse the car will go through. Christian told us he guessed how much support was really needed, and then doubled it just to be safe.<\/p>\n<p>Inside the chassis is a completely custom-made drivetrain. The transmission housing is 3D printed and has steel gears handmade by Christian himself. It also contains a full interior complete with 3D printed racing seat, dashboard, fire extinguisher, and NOS bottle. Even the hood scoop on the front is functional \u2014 it has an electric fan inside forcing air onto the motor to keep it cool! Most competition crawlers don\u2019t have any scale details like an interior, but 3D printing makes it possible to fit these components inside the compact chassis and still keep it lightweight.<\/p>\n<div id=\"attachment_36095\" style=\"width: 850px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-36095\" class=\"size-medium wp-image-36095\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66851-840x560.jpg\" alt=\"The car features a fully 3D printed interior\" width=\"840\" height=\"560\" data-wp-pid=\"36095\" srcset=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66851-840x560.jpg 840w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66851-420x280.jpg 420w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66851-768x512.jpg 768w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66851-1120x747.jpg 1120w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66851-800x533.jpg 800w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66851-400x267.jpg 400w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66851-300x200.jpg 300w\" sizes=\"auto, (max-width: 840px) 100vw, 840px\" \/><p id=\"caption-attachment-36095\" class=\"wp-caption-text\">The car features a fully 3D printed interior<\/p><\/div>\n<p>&nbsp;<\/p>\n<div id=\"attachment_36097\" style=\"width: 850px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-36097\" class=\"size-medium wp-image-36097\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66881-840x560.jpg\" alt=\"This hood scoop is actually functional and cools the motor\" width=\"840\" height=\"560\" data-wp-pid=\"36097\" srcset=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66881-840x560.jpg 840w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66881-420x280.jpg 420w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66881-768x512.jpg 768w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66881-1120x747.jpg 1120w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66881-800x533.jpg 800w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66881-400x267.jpg 400w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66881-300x200.jpg 300w\" sizes=\"auto, (max-width: 840px) 100vw, 840px\" \/><p id=\"caption-attachment-36097\" class=\"wp-caption-text\">This hood scoop is actually functional and cools the motor<\/p><\/div>\n<p>Both front and rear axles are also completely custom-made. They are portal axles, again with steel gears handmade by Christian. He also machined some brass weights for each corner of the car to keep the tires planted on any obstacle. Both front and rear axles have 3D printed housings, but the rear axle is beefed up with a carbon fibre tube inside. This car really is designed to be bulletproof!<\/p>\n<div id=\"attachment_36099\" style=\"width: 850px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-36099\" class=\"size-medium wp-image-36099\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66921-840x560.jpg\" alt=\"Fully custom axles, hubs and even the wheels\" width=\"840\" height=\"560\" data-wp-pid=\"36099\" srcset=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66921-840x560.jpg 840w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66921-420x280.jpg 420w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66921-768x512.jpg 768w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66921-1120x747.jpg 1120w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66921-800x533.jpg 800w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66921-400x267.jpg 400w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66921-300x200.jpg 300w\" sizes=\"auto, (max-width: 840px) 100vw, 840px\" \/><p id=\"caption-attachment-36099\" class=\"wp-caption-text\">Fully custom axles, hubs and even the wheels<\/p><\/div>\n<p>The chassis is unnamed at the moment, but at ReconG6 we joked about how it should be called \u201cSkeleton Screamer\u201d because of the way it looks and sounds. Christian powered the crawler with quite an unusual setup combining a regular car\u2019s electronic speed controller with an outrunner brushless motor that\u2019s normally only used in RC airplanes. The result is a small motor with a ton of torque on low RPM and a loud, high-pitched whine, making it sound almost like a turbine engine. The noise is unique to Christian\u2019s car, and really gives it character.<\/p>\n<div id=\"attachment_36100\" style=\"width: 850px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-36100\" class=\"size-medium wp-image-36100\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66801-840x560.jpg\" alt=\"The crawler after conquering the muddy Belgian trails\" width=\"840\" height=\"560\" data-wp-pid=\"36100\" srcset=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66801-840x560.jpg 840w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66801-420x280.jpg 420w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66801-768x512.jpg 768w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66801-1120x747.jpg 1120w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66801-800x533.jpg 800w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66801-400x267.jpg 400w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66801-300x200.jpg 300w\" sizes=\"auto, (max-width: 840px) 100vw, 840px\" \/><p id=\"caption-attachment-36100\" class=\"wp-caption-text\">The crawler after conquering the muddy Belgian trails<\/p><\/div>\n<p>Now, with the Prototype Crawler (AKA Skeleton Screamer) finished \u2014 and even taking a podium spot at the Yeti Trial Challenge \u2014 we asked Christian what\u2019s next. His current project is even crazier than the crawler: Christian is designing a fully custom-built racing machine on track plates, like a tank, but FAST.<\/p>\n<div id=\"attachment_36101\" style=\"width: 850px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-36101\" class=\"wp-image-36101 size-medium\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/22430559_1720703191570324_2313290426670383104_n-840x538.jpg\" alt=\"Christian\u2019s new project; An ultra-rare race vehicle on tracks\" width=\"840\" height=\"538\" data-wp-pid=\"36101\" srcset=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/22430559_1720703191570324_2313290426670383104_n-840x538.jpg 840w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/22430559_1720703191570324_2313290426670383104_n-420x269.jpg 420w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/22430559_1720703191570324_2313290426670383104_n-768x492.jpg 768w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/22430559_1720703191570324_2313290426670383104_n-800x513.jpg 800w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/22430559_1720703191570324_2313290426670383104_n-400x256.jpg 400w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/22430559_1720703191570324_2313290426670383104_n-300x192.jpg 300w, https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/22430559_1720703191570324_2313290426670383104_n.jpg 1080w\" sizes=\"auto, (max-width: 840px) 100vw, 840px\" \/><p id=\"caption-attachment-36101\" class=\"wp-caption-text\">Christian\u2019s new project; A race vehicle on tracks<\/p><\/div>\n<p>To follow Christian\u2019s progress, get the first look at his new developments, and keep track of race results, check out his <a href=\"https:\/\/www.facebook.com\/yoyoyotapilotRC\/\" target=\"_blank\" rel=\"noopener\">Yoyoyotapilot RC<\/a> page on Facebook and <a href=\"https:\/\/www.instagram.com\/yoyoyotapilot\/\" target=\"_blank\" rel=\"noopener\">@Yoyoyotapilot<\/a> on Instagram.<\/p>\n<p>What\u2019s the craziest car you\u2019ve ever designed?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Over the summer, community manager Ruud van den Muijzenberg and I traveled across Europe visiting RC car events. One of&#8230;<\/p>\n","protected":false},"author":108,"featured_media":36095,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[489],"tags":[896,1964,2139,2308,1572,1696,1606,1578,1851,1214,2140],"class_list":["post-36075","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products-and-design","tag-3d-printed-car","tag-3d-printed-rc-car-parts","tag-3d-printed-replacement-parts","tag-driver-profile","tag-how-i-made-it","tag-project-spotlight","tag-rc-car-parts","tag-rc-cars","tag-rc-crawlers","tag-scale-models","tag-scratchbuild"],"thumbnail":"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2017\/11\/IMG_66851.jpg","yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.9 (Yoast SEO v23.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Lighter, Faster, Stronger: Christian Lorenz&#039;s Incredible RC Crawler With No Name - Shapeways Blog<\/title>\n<meta name=\"description\" content=\"Over the summer, community manager Ruud van den Muijzenberg and I traveled across Europe visiting RC car events. 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