{"id":10046,"date":"2015-06-23T17:44:28","date_gmt":"2015-06-24T00:44:28","guid":{"rendered":"http:\/\/cafe.foundation\/blog\/?p=10046"},"modified":"2015-06-23T17:44:28","modified_gmt":"2015-06-24T00:44:28","slug":"eas-ix-calin-gologan-talks-solarstratos","status":"publish","type":"post","link":"http:\/\/cafe.foundation\/blog\/eas-ix-calin-gologan-talks-solarstratos\/","title":{"rendered":"EAS IX: Calin Gologan Talks SolarStratos\u00a0"},"content":{"rendered":"<p>Calin Gologan, founder and CEO of <a href=\"http:\/\/www.aircraft-certification.de\/index.php\/elektra-one.html\">PC-Aero GmbH<\/a>, has many electric and solar-assisted aircraft flying right now, and is responsible for the design the <a href=\"http:\/\/www.aeac.aero\/\">Aero Electric Aircraft Company\u2019s SunFlyer<\/a> training airplane, 20 of which have been ordered by Spartan Aeronautical University.\u00a0 The initial Elektro One has flourished in a number of variants, including the SunFlyer, a two-seat, side-by side trainer developed with George Bye in Colorado.<\/p>\n<div id=\"attachment_10049\" style=\"width: 538px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/06\/solar-stratos-l\u2019autre-avion-solaire-suisse.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10049\" class=\"size-large wp-image-10049\" src=\"http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/06\/solar-stratos-l\u2019autre-avion-solaire-suisse-528x358.jpg\" alt=\"Domjan kneeling and Gologan holding tail of early model of SolarStratos\" width=\"528\" height=\"358\" srcset=\"http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/06\/solar-stratos-l\u2019autre-avion-solaire-suisse-528x358.jpg 528w, http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/06\/solar-stratos-l\u2019autre-avion-solaire-suisse-300x204.jpg 300w, http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/06\/solar-stratos-l\u2019autre-avion-solaire-suisse.jpg 600w\" sizes=\"auto, (max-width: 528px) 100vw, 528px\" \/><\/a><p id=\"caption-attachment-10049\" class=\"wp-caption-text\">Domjan kneeling and Gologan holding tail of early model of SolarStratos<\/p><\/div>\n<p>Another variant of that original design, Solar Stratos is destined to combine record-setting altitudes with scientific research.\u00a0 Its banner, \u201cManned Flight at the Edge of Space,\u201d highlights the craft\u2019s intended mission to reach 80,000 feet as its initial goal, a record that will be hard to beat.\u00a0 Its mission is also a research venture, with Calin serving as Chief Technology Officer of SolarStratos.<\/p>\n<div id=\"attachment_10050\" style=\"width: 538px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/06\/solarstratos-2e-sortie-en-mer216.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10050\" class=\"size-large wp-image-10050\" src=\"http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/06\/solarstratos-2e-sortie-en-mer216-528x352.jpg\" alt=\"Domjan's solar-powered kayak has batteries, electric motor to assist paddling\" width=\"528\" height=\"352\" srcset=\"http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/06\/solarstratos-2e-sortie-en-mer216-528x352.jpg 528w, http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/06\/solarstratos-2e-sortie-en-mer216-300x200.jpg 300w, http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/06\/solarstratos-2e-sortie-en-mer216.jpg 1024w\" sizes=\"auto, (max-width: 528px) 100vw, 528px\" \/><\/a><p id=\"caption-attachment-10050\" class=\"wp-caption-text\">Domjan&#8217;s solar-powered kayak has batteries, electric motor to assist paddling<\/p><\/div>\n<p>The initiator of SolarStratos, Rapha\u00ebl Domjan, is now paddling his way through an <a href=\"http:\/\/www.raphaeldomjan.com\/projets\/solararcticpassage\/\">Arctic Passage in one of two solar-powered kayaks<\/a>, accompanied by Anne Qu\u00e9m\u00e9r\u00e9, described as a Breton sailor.\u00a0 Their three-month voyage will take them from the Pacific to the Atlantic Oceans.<\/p>\n<p>Anne&#8217;s will by a &#8220;standard&#8221;, while that of Raphael will be equipped with photovoltaic panels to recharge the batteries and an electric propulsion system that will give the opportunity to sail for 50 kilometers without sun, at an average speed of kilometers per hour.\u00a0 Each kayak can reach a top speed if 10 km\/h (6.2 mph).<\/p>\n<p>Domjan sailed around the world in the planet\u2019s largest solar-powered yacht, Planet Solar.\u00a0 That boat has just left its central display role at MEDCOP21, the Mediterranean Conference of Parties, or the Conference on Climate Change, and is has been donated to the <a href=\"http:\/\/www.raceforwater.com\/planetsolar\/ms_turanor_planetsolar_1\">Race for Water Foundation<\/a>, a group dedicated to preserving water worldwide, and with which it will serve as clean platform for scientific research.<\/p>\n<p><iframe loading=\"lazy\" title=\"PlanetSolar - First around the World with Solar Energy - Rapha\u00ebl Domjan\" src=\"https:\/\/player.vimeo.com\/video\/86409886?dnt=1&amp;app_id=122963\" width=\"500\" height=\"281\" frameborder=\"0\" allow=\"autoplay; fullscreen; picture-in-picture; clipboard-write\"><\/iframe><\/p>\n<p>With all this solar-powered aquatic adventure in his resume, Domjan turned to Calin Gologan for a craft that would allow him to explore the limits of solar-powered flight.\u00a0 One of Calin\u2019s roles with Grob Aircraft was as development and approval engineer on the <a href=\"https:\/\/en.wikipedia.org\/wiki\/Grob_Strato_2C\">Grob Strato 2C<\/a> and Egret-altitude aircraft.\u00a0 The 2C was flown by Einar Enevoldson to an altitude record for propeller-driven aircraft of 60,700 feet, exceeding the official record by over 5,000 feet.<\/p>\n<p>Now Calin works on the stratospheric ambitions of Domjan to take the SolarStratos to 75,000 feet or more, again on solar power.\u00a0 Einar founded and heads the <a href=\"http:\/\/www.perlanproject.org\/\">Perlan Project<\/a>, which is nearly ready to begin testing of an 84-foot wingspan sailplane that will attempt to reach 90,000 feet on high mountain waves.<\/p>\n<p>Calin has devised a 24-meter wing and a longer fuselage from the two-seat Record aircraft which PC-Aero also developed.\u00a0 The structure takes advantage of the light weight and high strength of carbon fiber, with the raw fuselage weighing 14 kilograms (30.8 pounds).\u00a0 Calin, who likes to show a picture of him holding the fuselage above his head with one hand, reported to EAS IX attendees that the fuselage molds were ready as of his May 1 speech, and the solar wing test platform was ready for further work.<\/p>\n<p>The airplane will carry two \u201cbig\u201d pilots in tandem and 30 kilowatt-hours of batteries.\u00a0 With the entire craft weighing only 200 kilograms (440 pounds) empty and 450 kilograms (990 pounds) loaded, the <a href=\"http:\/\/www.geigerengineering.de\/avionik-elektroantriebssystem\/neuentwicklungen\/\">HPD-25D dual motor (32 kilowatts\/43 horsepower) <\/a>will be able to loft the efficient airframe to its goal altitude in about an hour, according to Calin.\u00a0 \u00a0The motor contributes a mere nine kilograms (19.8 pounds) to the airplane and Calin notes that the dual motor controllers are each the size of a deck of cards, enhancing the craft\u2019s light weight.<\/p>\n<div id=\"attachment_10047\" style=\"width: 538px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/06\/solar-stratos-motor.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10047\" class=\"size-large wp-image-10047\" src=\"http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/06\/solar-stratos-motor-528x704.jpg\" alt=\"A 19-pound motor with two independent drive systems - the ultimate in redundancy\" width=\"528\" height=\"704\" srcset=\"http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/06\/solar-stratos-motor-528x704.jpg 528w, http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/06\/solar-stratos-motor-225x300.jpg 225w, http:\/\/cafe.foundation\/blog\/wp-content\/uploads\/2015\/06\/solar-stratos-motor.jpg 720w\" sizes=\"auto, (max-width: 528px) 100vw, 528px\" \/><\/a><p id=\"caption-attachment-10047\" class=\"wp-caption-text\">A 19-pound motor with two independent drive systems &#8211; the ultimate in redundancy<\/p><\/div>\n<p>An onboard power supply of 200 Watts will keep instruments and radios operational and power oxygen supplies and possibly help maintain pressurization for pilots\u2019 suits.<\/p>\n<p>The craft\u2019s aspect ratio of more than 20 and a glide ratio greater than 40 to 1, coupled with the motor\u2019s better than 90-percent efficiency, should bode well for record attempts.\u00a0 It also means the battery pack will return to earth fully charged, the solar cells on the long wings recharging the batteries on the long descent.<\/p>\n<p>SolarStratos will deal with aeromedical issues, its unpressurized cockpit requiring some form of spacesuit for protect occupants, and flights may expose flyers to radiation at altitude.\u00a0 This will doubtless add to the sense of adventure for space tourists who want a trip to the edge of space.\u00a0 The airplane can accommodate manned and unmanned payloads, and for stratospheric tourism, provide one of the least expensive ways to reach such altitudes.<\/p>\n<p>By contrast, the Perlan II weighs nearly double the SolarStratos, but has a pressurized cabin that will keep the passengers breathing, but not necessarily warm.<\/p>\n<p>Calin Gologan left the audience delighted and dazzled with the variety of challenges he has confronted, and so far, conquered.\u00a0 Let\u2019s keep our hopes up for a successful high-altitude conquest.<\/p>\n<div id=\"facebook_like\"><iframe src=\"http:\/\/www.facebook.com\/plugins\/like.php?href=http%3A%2F%2Fcafe.foundation%2Fblog%2Feas-ix-calin-gologan-talks-solarstratos%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>Calin Gologan, founder and CEO of PC-Aero GmbH, has many electric and solar-assisted aircraft flying right now, and is responsible for the design the Aero Electric Aircraft Company\u2019s SunFlyer training airplane, 20 of which have been ordered by Spartan Aeronautical University.\u00a0 The initial Elektro One has flourished in a number of variants, including the SunFlyer, [&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":[15,14],"tags":[4264,6356,381,4,6358,6355,6357,324,2214,1483,6354,5678,4894],"class_list":["post-10046","post","type-post","status-publish","format-standard","category-electric_powerplants","category-sustainable_ga","tag-altitude-records","tag-anne-quemere","tag-einar-enevoldson","tag-electric-aircraft","tag-elektro-one","tag-grob-strato-2c","tag-hpd-25d-dual-motor","tag-pc-aero","tag-perlan-ii","tag-perlan-project","tag-planet-solar-boat","tag-raphael-domjan","tag-solarstratos"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>EAS IX: 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