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Author Topic: Dual Port Muffler Experiments  (Read 1569 times)

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Offline KilliansRedLeo

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Re: Dual Port Muffler Experiments
« Reply #20 on: May 26, 2014, 02:53:47 pm »
So, I removed 0.250 from the 4.25 inch long pipe, high revs still @10.5K when it begins to four stroke so it appears that the additional length wasn't doing anything. I have 0.250 of pipe left that I can remove before reaching the design dimensions. I plan to do this in 0.125 increments with the saw actually cutting wood, and see where we are at.
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