{"id":63,"date":"2018-08-09T12:53:38","date_gmt":"2018-08-09T12:53:38","guid":{"rendered":"http:\/\/commons.princeton.edu\/56-terrier\/?p=63"},"modified":"2018-08-15T13:39:26","modified_gmt":"2018-08-15T13:39:26","slug":"class-8","status":"publish","type":"post","link":"http:\/\/commons.princeton.edu\/56-terrier\/2018\/08\/09\/class-8\/","title":{"rendered":"Class 8"},"content":{"rendered":"<p><strong>Reading Assignment<\/strong><\/p>\n<ul>\n<li>Zen and the Art of Motorcycle Maintenance: Chapters 12-13<\/li>\n<\/ul>\n<p><strong>In-Class Discussion<\/strong><\/p>\n<p><u>Shop Class as Soulcraft<\/u><\/p>\n<p>Themes:<\/p>\n<ul>\n<li>Stochastic arts &#8211; include mechanical repair and medicine &#8211; work is always variable in constitution because it has not been created by the mechanics\/doctors and is not absolutely understood.<\/li>\n<li>Attentiveness &#8211; Crawford emphasizes the importance of this trait rather than assertiveness in the stochastic arts.<\/li>\n<\/ul>\n<p>Mechanics<\/p>\n<ul>\n<li>Bearings: Packing an open wheel bearing with grease between the inner and outer races &#8211; provides lubrication, prevents seizing. Our motorcycle has caged bearings.<\/li>\n<li>Swing axle suspension: Allows motorcycle to maintain holding upon hitting a bump &#8211; one wheel can go up while the other stays down.<\/li>\n<li>Shock absorbers in the back &#8211; gas vs. fluid shocks (the former uses air, the latter hydraulic fluid). Gas shocks work better upon hard impact.<\/li>\n<\/ul>\n<ul>\n<li>Improving performance:<\/li>\n<\/ul>\n<ol>\n<li>Double-barrel carburetor &#8211; facilitates air intake at high speeds when air flow is rapid, allowing engine to run better at higher RPMs.<\/li>\n<li>Free-flowing exhaust &#8211; better air flow.<\/li>\n<li>Lightened flywheel &#8211; engine with heavier flywheel will start up more slowly.<\/li>\n<li>Nitride coating inside bearing &#8211; minimizes friction and prevents wear.<\/li>\n<li>Blueprinting, match porting &#8211; makes sure everything is within specs and holes align; minimizes turbulence and improves air flow.<\/li>\n<li>Spring strength &#8211; ultimately determines speed of engine in terms of valves opening\/closing.<\/li>\n<\/ol>\n<ul>\n<li>Signs of wear<\/li>\n<\/ul>\n<ol>\n<li>Galling &#8211; two metal surfaces fuse together from heat, inadequate lubrication; pieces gouged out.<\/li>\n<li>Mushrooming at valve tips &#8211; occurs at sites of impact.<\/li>\n<\/ol>\n<p><strong>Lab:<\/strong><\/p>\n<p>&#8212;&#8212;<\/p>\n<p>S.Y.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Reading Assignment Zen and the Art of Motorcycle Maintenance: Chapters 12-13 In-Class Discussion Shop Class as Soulcraft Themes: Stochastic arts &#8211; include mechanical repair and medicine &#8211; work is always variable in constitution because it has not been created by the mechanics\/doctors and is not absolutely understood. Attentiveness &#8211; Crawford emphasizes the importance of this &hellip; <a href=\"http:\/\/commons.princeton.edu\/56-terrier\/2018\/08\/09\/class-8\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Class 8&#8221;<\/span><\/a><\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-63","post","type-post","status-publish","format-standard","hentry","category-diary"],"_links":{"self":[{"href":"http:\/\/commons.princeton.edu\/56-terrier\/wp-json\/wp\/v2\/posts\/63","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/commons.princeton.edu\/56-terrier\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/commons.princeton.edu\/56-terrier\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/commons.princeton.edu\/56-terrier\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"http:\/\/commons.princeton.edu\/56-terrier\/wp-json\/wp\/v2\/comments?post=63"}],"version-history":[{"count":1,"href":"http:\/\/commons.princeton.edu\/56-terrier\/wp-json\/wp\/v2\/posts\/63\/revisions"}],"predecessor-version":[{"id":64,"href":"http:\/\/commons.princeton.edu\/56-terrier\/wp-json\/wp\/v2\/posts\/63\/revisions\/64"}],"wp:attachment":[{"href":"http:\/\/commons.princeton.edu\/56-terrier\/wp-json\/wp\/v2\/media?parent=63"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/commons.princeton.edu\/56-terrier\/wp-json\/wp\/v2\/categories?post=63"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/commons.princeton.edu\/56-terrier\/wp-json\/wp\/v2\/tags?post=63"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}