{"id":29,"date":"2018-08-09T13:15:48","date_gmt":"2018-08-09T13:15:48","guid":{"rendered":"http:\/\/commons.princeton.edu\/63-2-tiger-cub\/?p=29"},"modified":"2018-08-15T13:38:00","modified_gmt":"2018-08-15T13:38:00","slug":"notes-by-noelle-goudy","status":"publish","type":"post","link":"https:\/\/commons.princeton.edu\/63-tiger-cub\/2018\/08\/09\/notes-by-noelle-goudy\/","title":{"rendered":"20 February 2018"},"content":{"rendered":"<p>February 20, 2018<\/p>\n<p>Notes by Noelle Goudy<\/p>\n<p>Assignment due Thursday, February 22:<\/p>\n<ul>\n<li>\u201ccombustion-chemistry.pdf\u201d<\/li>\n<li>\u201cTiger-Cub-Engine-Calculations-revised.pdf\u201d<\/li>\n<\/ul>\n<figure id=\"attachment_2692\" aria-describedby=\"caption-attachment-2692\" style=\"width: 150px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/commons.princeton.edu\/motorcycledesign\/wp-content\/uploads\/sites\/70\/2018\/07\/combustion-chemistry-2.pdf\"><img loading=\"lazy\" decoding=\"async\" class=\"size-thumbnail wp-image-2692\" src=\"http:\/\/commons.princeton.edu\/motorcycledesign\/wp-content\/uploads\/sites\/70\/2018\/07\/IdealCombusiton-150x150.png\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-2692\" class=\"wp-caption-text\">Link to Combustion Chemistry PDF<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_2693\" aria-describedby=\"caption-attachment-2693\" style=\"width: 150px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/commons.princeton.edu\/motorcycledesign\/wp-content\/uploads\/sites\/70\/2018\/07\/Tiger-Cub-Engine-Calculations-revised-2.pdf\"><img loading=\"lazy\" decoding=\"async\" class=\"size-thumbnail wp-image-2693\" src=\"http:\/\/commons.princeton.edu\/motorcycledesign\/wp-content\/uploads\/sites\/70\/2018\/07\/075cb44d08fe399e3ffe89cc7e3fce35-150x150.jpeg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-2693\" class=\"wp-caption-text\">Link to Tiger Cub Engine Calculation<\/figcaption><\/figure>\n<p>This week:<\/p>\n<ul>\n<li>Starting to study the science part of the book<\/li>\n<li>Seeing how fast the motorcycle can run<\/li>\n<li>Looking at data sheets and octane ratings<\/li>\n<li>Thursday: learning about combustion<\/li>\n<li>Next week: learning about aerodynamics and drag on Tuesday<\/li>\n<\/ul>\n<p>Housekeeping:<\/p>\n<ul>\n<li>Emily: With Jordan, cleaned up and polished the engine covers using a sandblaster, sandpaper, and a die grinder\n<ul>\n<li>A die grinder uses compressed air to make a fan blow with very high speed (and low torque) &#8211; great for polishing<\/li>\n<\/ul>\n<\/li>\n<li>Noelle: With Alex, disassembled the Amal carburetor and found and labeled all parts for it<\/li>\n<li>David: Cleaned the pieces of the transmission with Alex<\/li>\n<li>Jake: Made a tool to compress the shocks; took the shocks apart and cleaned them<\/li>\n<li>Brendan: Had to bore a hole to take apart the shocks; sandblasted them<\/li>\n<li>Connor: General disassembly; removed oil pump; missing ball bearing for the oil pump\n<ul>\n<li>Note to quartermasters: make sure to order new ball bearing<\/li>\n<\/ul>\n<\/li>\n<li>Eric: With Hannah, sandblasted different parts of the wheel; going to assemble motorcycle stands today in shop<\/li>\n<li>Alex: With Noelle, worked on disassembling the carburetor and cataloged parts; began to clean the carburetor<\/li>\n<li>Alex: Finishing disassembling bottom half of engine; took of main sprocket<\/li>\n<li>Grace: Worked with Connor and Alex to disassemble the engine; will check to make sure everything is working; will go through the gasket packet to figure out if replacements are needed<\/li>\n<li>Jordan: Worked on polishing with the polishing wheel and by hand<\/li>\n<li>Sarah: With Ricky tested connections with a voltmeter and with a light; today, will generate sparks with old motorcycle<\/li>\n<li>Julianne: Continued to clean top end parts; need a piston and rings<\/li>\n<li>Ricky: With Sarah, checked electrical connections<\/li>\n<li>Charlie: Sandblasted the two top end pieces<\/li>\n<li>Hannah is not here<\/li>\n<\/ul>\n<p>Discussion of Chapters 9 and 10:<\/p>\n<ul>\n<li>Chapter 9:\n<ul>\n<li>Motorcycle References\n<ul>\n<li>Engine misfire:\n<ul>\n<li>Spark fires but no fuel is ignited<\/li>\n<li>Misfire can cause a bang or backfire<\/li>\n<li>Happens if the unexploded gas goes into the exhaust line<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>Content\n<ul>\n<li>Scientific Method\n<ul>\n<li>Helpful to diagnose complicated problems<\/li>\n<li>Ends up driving Phaedrus crazy<\/li>\n<li>Six elements:\n<ul>\n<li>Statement of problem<\/li>\n<li>Hypotheses<\/li>\n<li>Experiments for each hypothesis<\/li>\n<li>Predicted results of the experiment<\/li>\n<li>Observed results<\/li>\n<li>Conclusions<\/li>\n<\/ul>\n<\/li>\n<li>Hypotheses sometimes sound dumb but are important because assumptions shouldn\u2019t be made<\/li>\n<li>132: Experiment only fails if it cannot provide data either way<\/li>\n<\/ul>\n<\/li>\n<li>Inductive vs. Deductive reasoning\n<ul>\n<li>Inductive: making a hypothesis out of data<\/li>\n<li>Deductive reasoning: inferring what is happening based on observations<\/li>\n<\/ul>\n<\/li>\n<li>Underlying Form<\/li>\n<li>Classic vs. Romantic approach<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>Chapter 10:\n<ul>\n<li>Content\n<ul>\n<li>Characterizing Phaedrus: how did he lose his mind? Comparing Phaedrus and Einstein\n<ul>\n<li>Both study science for the stake of science &#8211; to learn &#8211; pursuit of knowledge<\/li>\n<li>Page 111: The difference between experience and nature\n<ul>\n<li>Does nature provide the data?<\/li>\n<\/ul>\n<\/li>\n<li>Phaedrus is more interested in inquiry\n<ul>\n<li>The philosopher\u2019s approach<\/li>\n<li>Where knowledge comes from<\/li>\n<\/ul>\n<\/li>\n<li>Phaedrus thinks that there are infinite hypotheses and thus thinks that they can never be solved<\/li>\n<li>Exponential growth of data and information but not of knowledge<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Top Speed of the Motorcycle: 62 mph<\/p>\n<ul>\n<li>K&#8217;Nex model of a Model T engine: Four stroke cycle\n<ul>\n<li>2:1 gear ratio<\/li>\n<li>Crack turns the connecting rod, which makes the pistons move up and down<\/li>\n<li>The spark plug goes off when the piston is at the top<\/li>\n<li>As the piston move up, the exhaust is blown out<\/li>\n<li>Intake valve opens when the piston is at the bottom: air and fuel mixture enters<\/li>\n<li>RPM: revolutions per minute of the crank<\/li>\n<li>What is the maximum RPM of our motorcycle?<\/li>\n<\/ul>\n<\/li>\n<li>\u201cTriumph-10001.pdf\u201d &#8211; workshop instruction manual\n<ul>\n<li>We have the T20 model<\/li>\n<li>Technical data is located at the bottom of the manual:\n<ul>\n<li>63 mm bore (diameter of piston)<\/li>\n<li>64 mm stroke<\/li>\n<li>Power output: 10 (brake) horsepower at 6000 RPM\n<ul>\n<li>6000 rpm = 100 revolutions per second<\/li>\n<\/ul>\n<\/li>\n<li>Gear ratios\n<ul>\n<li>Engine sprocket: 19 (teeth)<\/li>\n<li>Clutch sprocket: 48 (teeth)<\/li>\n<li>Gearbox sprocket: 17 (teeth)<\/li>\n<li>Rear wheel sprocket: 46 (teeth)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>Clutch is going at 2375 RPM\n<ul>\n<li>Crack to clutch: 19\/46 * 6000 = 2375 RPM<\/li>\n<\/ul>\n<\/li>\n<li>Rear wheel is going at 877 RPM (in the fourth gear)\n<ul>\n<li>Clutch to rear wheel in top gear: 17\/46 * 2375 = 877 RPM = 14.6 revolutions per second<\/li>\n<li>14.6 revolutions per second * 6.28 ft = 91.7 feet per second<\/li>\n<li>91.7\/66 = 1.04 * 60 mph = 62 mph<\/li>\n<\/ul>\n<\/li>\n<li>48\/19 * 46\/17 = 6.84 (which was given as the top gear ratio)\n<ul>\n<li>Ratio of how fast the crank is turning to how fast the wheel is turning<\/li>\n<li>Gear ratios increase as the gear goes down<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>Tiger Cub Bible\n<ul>\n<li>Page 173: Gearboxes for all of the Tiger Cub motorcycles\n<ul>\n<li>Standard, wide, close, extra-close, and ultra-close gearboxes\n<ul>\n<li>We have the standard model<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>February 20, 2018 Notes by Noelle Goudy Assignment due Thursday, February 22: \u201ccombustion-chemistry.pdf\u201d \u201cTiger-Cub-Engine-Calculations-revised.pdf\u201d &nbsp; This week: Starting to study the science part of the book Seeing how fast the motorcycle can run Looking at data sheets and octane ratings Thursday: learning about combustion Next week: learning about aerodynamics and drag on Tuesday Housekeeping: Emily: &hellip; <a href=\"https:\/\/commons.princeton.edu\/63-tiger-cub\/2018\/08\/09\/notes-by-noelle-goudy\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;20 February 2018&#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-29","post","type-post","status-publish","format-standard","hentry","category-diary"],"_links":{"self":[{"href":"https:\/\/commons.princeton.edu\/63-tiger-cub\/wp-json\/wp\/v2\/posts\/29","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/commons.princeton.edu\/63-tiger-cub\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/commons.princeton.edu\/63-tiger-cub\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/commons.princeton.edu\/63-tiger-cub\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/commons.princeton.edu\/63-tiger-cub\/wp-json\/wp\/v2\/comments?post=29"}],"version-history":[{"count":2,"href":"https:\/\/commons.princeton.edu\/63-tiger-cub\/wp-json\/wp\/v2\/posts\/29\/revisions"}],"predecessor-version":[{"id":62,"href":"https:\/\/commons.princeton.edu\/63-tiger-cub\/wp-json\/wp\/v2\/posts\/29\/revisions\/62"}],"wp:attachment":[{"href":"https:\/\/commons.princeton.edu\/63-tiger-cub\/wp-json\/wp\/v2\/media?parent=29"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/commons.princeton.edu\/63-tiger-cub\/wp-json\/wp\/v2\/categories?post=29"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/commons.princeton.edu\/63-tiger-cub\/wp-json\/wp\/v2\/tags?post=29"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}