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Chainsaw
PHYSICS to correct a poor previous (no gain) Muffler Mod in a OEM muffler.
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<blockquote data-quote="one.man.band" data-source="post: 3351898" data-attributes="member: 68939"><p>Two graphs attached. Axis' are not labeled yet. As soon as time permits, i will clean them up.</p><p></p><p>graph #1 = frequency in Hz. is the vertical axis. horizontal axis is of no significance (shows the # of plotted values only).</p><p></p><p>the 8 trend lines are as follows:</p><p>top line = 12500 RPM</p><p>7th line = 12000 RPM</p><p>6th line = 11500 RPM</p><p>5th line = 11000 RPM</p><p>4th line = 10500 RPM</p><p>3rd line = 10000 RPM</p><p>2nd line = 9500 RPM</p><p>lowest line = 9000 RPM</p><p></p><p>take note of the trend line 2nd from bottom.</p><p></p><p>-----------------------------------------------------------</p><p>graph #2</p><p></p><p>same information as graph #1. Frequency is shown for on one combined trend line.</p><p></p><p>frequency in Hz. is the vertical axis. horizontal axis is of no significance (shows the # of plotted values only).</p></blockquote><p></p>
[QUOTE="one.man.band, post: 3351898, member: 68939"] Two graphs attached. Axis' are not labeled yet. As soon as time permits, i will clean them up. graph #1 = frequency in Hz. is the vertical axis. horizontal axis is of no significance (shows the # of plotted values only). the 8 trend lines are as follows: top line = 12500 RPM 7th line = 12000 RPM 6th line = 11500 RPM 5th line = 11000 RPM 4th line = 10500 RPM 3rd line = 10000 RPM 2nd line = 9500 RPM lowest line = 9000 RPM take note of the trend line 2nd from bottom. ----------------------------------------------------------- graph #2 same information as graph #1. Frequency is shown for on one combined trend line. frequency in Hz. is the vertical axis. horizontal axis is of no significance (shows the # of plotted values only). [/QUOTE]
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