{"id":49,"date":"2018-08-14T16:19:11","date_gmt":"2018-08-14T16:19:11","guid":{"rendered":"http:\/\/commons.princeton.edu\/65-tiger-cub\/?p=49"},"modified":"2018-08-15T13:37:23","modified_gmt":"2018-08-15T13:37:23","slug":"march-8th-oscar-h","status":"publish","type":"post","link":"https:\/\/commons.princeton.edu\/65-tiger-cub\/2018\/08\/14\/march-8th-oscar-h\/","title":{"rendered":"March 8th &#8211; Oscar H."},"content":{"rendered":"<p><strong>Report on Shop Class Last week:<\/strong><\/p>\n<ul>\n<li><strong>Electrical team<\/strong>\u00a0: Worked on the kick starter and worked with the sparkplug \u2013 testing it by grounding the plug to the engine case.<\/li>\n<li><strong>Forks<\/strong>\u00a0: Organized, catalogued and cleaned all parts. Ordered parts to be replaced like bushing, which was damaged previously. Sandblasted parts for other groups.<\/li>\n<li><strong>Wheels<\/strong>\u00a0: Continued to clean spokes. Sandblasted parts of the frame. \u00a0Additionally, Prof. Littman mentioned that a new hub has arrived for this week.<\/li>\n<li><strong>Clutch &amp;Transmission<\/strong>\u00a0: Counted the number of teeth. Looked at how to line up the teeth and gears.<\/li>\n<li><strong>Top end<\/strong>\u00a0: Cleaned parts using the parts cleaner. Put both valves back in using C Clamp and noted how it has 2 springs.<\/li>\n<li><strong>Bottom End<\/strong>\u00a0: Cleaned the engine casing.<\/li>\n<li><strong>Fasteners<\/strong>\u00a0: Used the laser cutter to cut out gaskets.<\/li>\n<li><strong>Frame<\/strong>\u00a0: Cleaned engine covers, buffed and polished using Scotch Bright pad.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>The Clutch:<\/strong><\/p>\n<ul>\n<li>3 or 4 pairs of plates inside.<\/li>\n<li>There are a lot of pairs opposed to just one so as to increase the for two reasons: to increase the friction and to make it easy to disengage the clutch.<\/li>\n<li>Demonstration of the difference in friction of the number of layers \u2013 Measuring the force required to drag a block across a wooden surface. Repeated this with the block now between two wooden surfaces. The force required to drag the block increased.<\/li>\n<li>Easier to disengage lots of smaller forces than one large force on one plate.<\/li>\n<li>If the clutch is not strong enough the engine will not turn over as the clutch will slip. Solution is to tighten the springs to make the clutch firmer.<\/li>\n<\/ul>\n<p><strong>Homework<\/strong><\/p>\n<p>There would be no reading for Thursday as Professor Martinelli, an expert in fluid design, will come and speak to us. This left us to prepare for his visit.<\/p>\n<p>&nbsp;<\/p>\n<p>We looked at an F1 car and how its design affects its performance. The importance of a spoiler for creating downforce on the rear wheels allowing it to have enough traction so that the power is used efficiently.<\/p>\n<p>&nbsp;<\/p>\n<p>We prepared several questions for Professor Martinelli to ask him upon his visit:<\/p>\n<ul>\n<li>What is fluid mechanics?<\/li>\n<li>How does knowledge of fluid mechanics impact the performance of a motorcycle?<\/li>\n<li>How do commercial and military planes differ in their aerodynamics?<\/li>\n<li>Tell us about your career?<\/li>\n<li>Why are Boeing trying to improve? Why do they need advice?<\/li>\n<li>What is changing in fluid design technology?<\/li>\n<li>Are bicycle sized airplanes possible?<\/li>\n<li>What is the difference between Boeing and its competitors?<\/li>\n<li>How does back pressure effect engine performance?<\/li>\n<li>What is his favorite thing about fluids?<\/li>\n<li>How did he get introduced to fluid mechanics?<\/li>\n<li>How does fluid mechanics vary from air to water?<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Report on Shop Class Last week: Electrical team\u00a0: Worked on the kick starter and worked with the sparkplug \u2013 testing it by grounding the plug to the engine case. Forks\u00a0: Organized, catalogued and cleaned all parts. Ordered parts to be replaced like bushing, which was damaged previously. Sandblasted parts for other groups. Wheels\u00a0: Continued to &hellip; <a href=\"https:\/\/commons.princeton.edu\/65-tiger-cub\/2018\/08\/14\/march-8th-oscar-h\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;March 8th &#8211; Oscar H.&#8221;<\/span><\/a><\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-49","post","type-post","status-publish","format-standard","hentry","category-diary"],"_links":{"self":[{"href":"https:\/\/commons.princeton.edu\/65-tiger-cub\/wp-json\/wp\/v2\/posts\/49","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/commons.princeton.edu\/65-tiger-cub\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/commons.princeton.edu\/65-tiger-cub\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/commons.princeton.edu\/65-tiger-cub\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/commons.princeton.edu\/65-tiger-cub\/wp-json\/wp\/v2\/comments?post=49"}],"version-history":[{"count":1,"href":"https:\/\/commons.princeton.edu\/65-tiger-cub\/wp-json\/wp\/v2\/posts\/49\/revisions"}],"predecessor-version":[{"id":50,"href":"https:\/\/commons.princeton.edu\/65-tiger-cub\/wp-json\/wp\/v2\/posts\/49\/revisions\/50"}],"wp:attachment":[{"href":"https:\/\/commons.princeton.edu\/65-tiger-cub\/wp-json\/wp\/v2\/media?parent=49"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/commons.princeton.edu\/65-tiger-cub\/wp-json\/wp\/v2\/categories?post=49"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/commons.princeton.edu\/65-tiger-cub\/wp-json\/wp\/v2\/tags?post=49"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}