{"id":7862,"date":"2023-02-28T11:56:12","date_gmt":"2023-02-28T16:56:12","guid":{"rendered":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/?p=7862"},"modified":"2023-02-28T12:04:07","modified_gmt":"2023-02-28T17:04:07","slug":"action-at-a-distance-pt-1-robert-petruska","status":"publish","type":"post","link":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/7862\/action-at-a-distance-pt-1-robert-petruska\/","title":{"rendered":"Action at a Distance Pt 1 | Robert Petruska"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"425\" height=\"500\" src=\"https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-content\/uploads\/2023\/02\/Curran_Pale_Shadow_2014GAP.jpeg\" alt=\"\" class=\"wp-image-7864\" srcset=\"https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-content\/uploads\/2023\/02\/Curran_Pale_Shadow_2014GAP.jpeg 425w, https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-content\/uploads\/2023\/02\/Curran_Pale_Shadow_2014GAP-255x300.jpeg 255w\" sizes=\"(max-width: 425px) 100vw, 425px\" \/><figcaption class=\"wp-element-caption\">Casey Curran&#8217;s <em>Pale Shadow<\/em><\/figcaption><\/figure>\n\n\n\n<p>I was inspired by Curran&#8217;s mechanical work with crankshafts allowing for different radii to achieve different periods of motion.<\/p>\n\n\n\n<p>I devised a similar crankshaft with the laser cut gears and dowels available to me with an inset gear to allow for more transfer of motion.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"768\" height=\"1024\" src=\"https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-content\/uploads\/2023\/02\/PXL_20230228_164737467-768x1024.jpg\" alt=\"\" class=\"wp-image-7865\" srcset=\"https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-content\/uploads\/2023\/02\/PXL_20230228_164737467-768x1024.jpg 768w, https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-content\/uploads\/2023\/02\/PXL_20230228_164737467-225x300.jpg 225w, https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-content\/uploads\/2023\/02\/PXL_20230228_164737467-1152x1536.jpg 1152w, https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-content\/uploads\/2023\/02\/PXL_20230228_164737467-1536x2048.jpg 1536w, https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-content\/uploads\/2023\/02\/PXL_20230228_164737467-973x1297.jpg 973w, https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-content\/uploads\/2023\/02\/PXL_20230228_164737467-508x677.jpg 508w, https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-content\/uploads\/2023\/02\/PXL_20230228_164737467-scaled.jpg 1920w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<p>I am also interested in getting complex motion or at least two different trains of motion off of one rotating system as shown in the following video. <\/p>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-content\/uploads\/2023\/02\/checkpt-1.mov\"><\/video><\/figure>\n\n\n\n<p>Here, I have two gears separated with a washer and attached with an I-bolt so they can freely rotate.  Although tricky because I did not have bolts to secure the crankshaft, the pulleys do rotate as intended at different rates and direction.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I was inspired by Curran&#8217;s mechanical work with crankshafts allowing for different radii to achieve different periods of motion. I devised a similar crankshaft with the laser cut&#8230;<\/p>\n","protected":false},"author":40,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[12],"tags":[],"_links":{"self":[{"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-json\/wp\/v2\/posts\/7862"}],"collection":[{"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-json\/wp\/v2\/users\/40"}],"replies":[{"embeddable":true,"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-json\/wp\/v2\/comments?post=7862"}],"version-history":[{"count":3,"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-json\/wp\/v2\/posts\/7862\/revisions"}],"predecessor-version":[{"id":7873,"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-json\/wp\/v2\/posts\/7862\/revisions\/7873"}],"wp:attachment":[{"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-json\/wp\/v2\/media?parent=7862"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-json\/wp\/v2\/categories?post=7862"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2023\/wp-json\/wp\/v2\/tags?post=7862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}