{"id":10600,"date":"2015-12-06T20:31:01","date_gmt":"2015-12-07T03:31:01","guid":{"rendered":"http:\/\/cafe.foundation\/blog\/?p=10600"},"modified":"2015-12-13T22:19:48","modified_gmt":"2015-12-14T05:19:48","slug":"a-snowstorm-in-singapore","status":"publish","type":"post","link":"http:\/\/cafe.foundation\/blog\/a-snowstorm-in-singapore\/","title":{"rendered":"A Snowstorm in Singapore"},"content":{"rendered":"<p>Having worked on a three-week project in Singapore 10 years ago, your editor became accustomed to the daily temperatures approaching 100 degrees Fahrenheit, and evenings at a temperate 80 degrees (which some locals described as a \u201ccold snap\u201d).\u00a0 It makes one wonder where the name \u201cSnowstorm\u201d came from when students at the National University of Singapore worked two semesters to bring their <a href=\"http:\/\/news.nus.edu.sg\/press-releases\/9747-frogworks-personal-flying-machine\">mult-rotor recreational flying vehicle <\/a>to fruition. \u00a0An eight-person student team working as \u201cFrogWorks\u201d started with a 1\/6<sup>th<\/sup>-scale model, then scaled that up to something that could carry and be controlled by a single pilot.<\/p>\n<p>FrogWorks is a collaborative effort between NUS Faculty of Engineering\u2019s Design-Centric Program (DCP) and the University Scholars Program (USP). \u00a0According to NUS, \u201cFrogWorks engages students in the study, design and construction of clean leisure craft, a rapidly growing segment of green technology. Previous FrogWorks projects include the conversion of a sport motorcycle and a yacht from petrol to electric propulsion.\u201d<\/p>\n<p><iframe loading=\"lazy\" title=\"NUS Snowstorm\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/V_VU6xHFRRQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>24 (six more than the e-Volo, but individually and collectively less powerful) 2.2 kilowatt motors drive a 76 centimeter (30-inch) propeller each.\u00a0 Motors are powered by three independent lithium batteries able to keep the machine in flight for about five minutes.<\/p>\n<p>The hexagonal anodized aluminum frame sits on six inflatable balls, small versions of the <a href=\"http:\/\/cafe.foundation\/blog\/wp-admin\/post.php?post=4839&amp;action=edit\">large exercise ball on which the original e-Volo machine landed<\/a>.\u00a0 Carbon fiber plates and Kevlar ropes help hold the structure together, and a five-point harness helps hold the pilot in place.<\/p>\n<p>NSUS explains, \u201cRather than a mode of transportation, the team envisions this more as an electric aircraft for personal recreational use in a large indoor space, to satisfy one\u2019s desire to fly freely.\u201d\u00a0 With drone pilots flying their machines through abandoned buildings and around intricate routes through forests, this might represent a new venue for flight.\u00a0 One can envision indoor competitions of maneuverability and piloting skills, with welterweight flyers promoting an innovative extreme sport.<\/p>\n<div id=\"attachment_10602\" style=\"width: 538px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/12\/frogworks-snowstorm-in-flight.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10602\" class=\"size-large wp-image-10602\" src=\"http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/12\/frogworks-snowstorm-in-flight-528x352.jpg\" alt=\"FrogWorks Snowstorm in flight, controlled by student behind landing gear, parts of which were 3D printed\" width=\"528\" height=\"352\" srcset=\"http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/12\/frogworks-snowstorm-in-flight-528x352.jpg 528w, http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/12\/frogworks-snowstorm-in-flight-300x200.jpg 300w, http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/12\/frogworks-snowstorm-in-flight.jpg 728w\" sizes=\"auto, (max-width: 528px) 100vw, 528px\" \/><\/a><p id=\"caption-attachment-10602\" class=\"wp-caption-text\">FrogWorks Snowstorm in flight, controlled remotely by student in corner of room. \u00a0Parts of landing gear\u00a0were 3D printed, and maybe the pilot, too in this case<\/p><\/div>\n<p>As with Aurora Flight Science\u2019s \u201cPilot Optional\u201d approach, the pilot, in this case, can turn over pitch, roll and yaw commands to Snowstorm, which can also hold altitude, position, and even loiter in a hover until commanded to snap out of it.\u00a0 As with the Volocopter, a simple command will cause the vehicle to self-land.\u00a0 Students designed the electrical control and stabilization, pilot safety and energy management and supply systems.\u00a0 Like the Volocopter, the machine can be readily dismantled for \u201cease of transport.\u201d<\/p>\n<p>Dr. Joerg Weigl, one of two supervisors on the project, &#8220;NUS&#8217; Snowstorm shows that a personal flying machine is a very real possibility, primarily as a means to fulfil our dreams of flying within a recreational setting.\u201d<\/p>\n<p>Fellow Supervisor and Associate Professor Martin Henz of the University Scholars Program and the School of Computing at NUS adds, \u201cRecent advances in motors and battery technology has made it possible for us to literally take to the skies.\u00a0 The NUS team will continue to fine-tune\u00a0<em>Snowstorm<\/em>, working on mechanical safety measures, propeller and motor configurations, and control software and hardware to achieve the high levels of safety, simplicity and performance required for recreational use by the general public.\u201d<\/p>\n<div id=\"attachment_10603\" style=\"width: 538px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/12\/snowstorm-frogworks-data.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10603\" class=\"size-large wp-image-10603\" src=\"http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/12\/snowstorm-frogworks-data-528x352.jpg\" alt=\"FrogWorks team approving their efforts before going to write that tedious thesis\" width=\"528\" height=\"352\" srcset=\"http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/12\/snowstorm-frogworks-data-528x352.jpg 528w, http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/12\/snowstorm-frogworks-data-300x200.jpg 300w, http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/12\/snowstorm-frogworks-data.jpg 1600w\" sizes=\"auto, (max-width: 528px) 100vw, 528px\" \/><\/a><p id=\"caption-attachment-10603\" class=\"wp-caption-text\">FrogWorks team, including real pilot, approving their efforts before going to write that tedious thesis<\/p><\/div>\n<p>The team intends to continue development of Snowstorm with the aim of eventually bringing the project to commercialization.\u00a0 As an aside, think of two Snowstorms facing one another in an aerial version of dodgeball or ping pong.\u00a0 The possibilities are endless for true recreational flying.<\/p>\n<p>This blog has highlighted others working in similar efforts, including an <a href=\"http:\/\/cafe.foundation\/blog\/54-rotors-nine-autopilots-and-one-human-pilot\/\">enthusiast in England<\/a> and some <a href=\"http:\/\/cafe.foundation\/blog\/hungarian-flying-trike-makes-debut\/\">dedicated developers in Hungary<\/a>.\u00a0 We wish them all the best of luck.<\/p>\n<div id=\"facebook_like\"><iframe src=\"http:\/\/www.facebook.com\/plugins\/like.php?href=http%3A%2F%2Fcafe.foundation%2Fblog%2Fa-snowstorm-in-singapore%2F&amp;layout=standard&amp;show_faces=true&amp;width=500&amp;action=like&amp;font=segoe+ui&amp;colorscheme=light&amp;height=80\" scrolling=\"no\" frameborder=\"0\" style=\"border:none; overflow:hidden; width:500px; height:80px;\" allowTransparency=\"true\"><\/iframe><\/div>","protected":false},"excerpt":{"rendered":"<p>Having worked on a three-week project in Singapore 10 years ago, your editor became accustomed to the daily temperatures approaching 100 degrees Fahrenheit, and evenings at a temperate 80 degrees (which some locals described as a \u201ccold snap\u201d).\u00a0 It makes one wonder where the name \u201cSnowstorm\u201d came from when students at the National University of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[6660,15,14],"tags":[6932,6933,1769,6929,6928,1707,6930,6934,6927,6931,2392],"class_list":["post-10600","post","type-post","status-publish","format-standard","category-electric-aircraft-materials","category-electric_powerplants","category-sustainable_ga","tag-aurora-flight-science","tag-dr-joerg-weigl","tag-e-volo","tag-frogworks","tag-mult-rotor-recreational-flying-vehicle","tag-national-university-of-singapore","tag-nus-faculty-of-engineerings-design-centric-program-dcp","tag-professor-martin-henz","tag-snowstorm-multi-rotor-aircraft","tag-university-scholars-program-usp","tag-volocopter"],"yoast_head":"<!-- This site is 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