Differences
This shows you the differences between two versions of the page.
techtalk:ref:engmech07l [2020/10/02 20:03] hippysmack created |
techtalk:ref:engmech07l [2023/12/26 19:56] 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. \\ |