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techtalk:ref:engmech07l [2020/10/02 20:03] – created hippysmacktechtalk:ref:engmech07l [2023/12/26 19:56] (current) hippysmack
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 ====== How Piston Swept Volume Compares When the Breather Opens as to When It Closes ====== ====== How Piston Swept Volume Compares When the Breather Opens as to When It Closes ======
  
-How the volume compares when the breather opens as to when it closes: ((Dr Dick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1204854&page=3)) \\+How the volume compares when the breather opens as to when it closes: ((Dr Dick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/122424-breather-diagrams/page3?t=1204854&page=3)) \\
 If we knew that, we'd have a much clearer picture of what actually happens. \\ If we knew that, we'd have a much clearer picture of what actually happens. \\
 This diagram shows the volume swept by piston action in a 1000cc motor. \\ This diagram shows the volume swept by piston action in a 1000cc motor. \\
 It shows how much displacement is changed from min volume (0 cubic inches) to max volume(56.2 ci more than min). \\ It shows how much displacement is changed from min volume (0 cubic inches) to max volume(56.2 ci more than min). \\
-{{:techtalk:ih:engmech:breather_valve_drawing_1_by_dr_dick.jpg?direct&800|}} ((drawing by Dr Dick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1204854&page=3)) \\+{{:techtalk:ih:engmech:breather_valve_drawing_1_by_dr_dick.jpg?direct&800|}} ((drawing by Dr Dick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/122424-breather-diagrams/page3?t=1204854&page=3)) \\
  
 There's only 1.2 cubic inches of net outward flow per revolution. \\ There's only 1.2 cubic inches of net outward flow per revolution. \\