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Thread: 2 Stroke Intake, Exhaust design

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  1. #1
    I'm not that familiar with this stuff, and can't find any books on it at the moment. Any simple equations like the ones for 4 stroke? Probably won't touch the exhaust since they need that crazy expansion chamber thing. Looking for intake design mainly. I'm trying to help our snowmobile guys.
    -----------------------------
    CFS13 - Drivetrain
    "The pleasure of driving shouldn't be something that's reserved for people with very deep pockets."-Conor (I modified it a little bit)

  2. #2
    A good book for the basics on ring dings is Two Stroke Performance Tuning by A Graham BELL ( and yeah that is his real name too !)

    Currently from Amazon at a little over $25.00.
    ISBN-10: 1859606199
    ISBN-13: 978-1859606193.

    Cheers , Pete.

  3. #3
    <BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Probably won't touch the exhaust since they need that crazy expansion chamber thing. </div></BLOCKQUOTE>
    Wow! Why not? Thats where all the 2 stroke power is hidden.
    And yes, the 'Two Stroke Bible' The Design and Simulation of the 2 stroke engine, is a good source of info as is available. Dr Gordon Blair at QUB is the guru
    Cheers
    Pat
    The trick is ... There is no trick!

  4. #4
    I'm not that familiar with this stuff, and can't find any books on it at the moment. Any simple equations like the ones for 4 stroke? Probably won't touch the exhaust since they need that crazy expansion chamber thing. Looking for intake design mainly. I'm trying to help our snowmobile guys.
    -----------------------------
    CFS13 - Drivetrain
    "The pleasure of driving shouldn't be something that's reserved for people with very deep pockets."-Conor (I modified it a little bit)

  5. #5

  6. #6
    it is quite simple to design a good Two Stroke Expansion Chamber or tuned pipe as it is also called.

    I building some for my friends with great success and lots of increase in horsepower on there 2 strokes, using 2 Stroke Wizard Tuned Pipe expansion chamber design software. 2 Stroke Wizard Tuned Pipe it is the easiest to use of all the software packages I have seen, and is successfully used by racing guys.

    see it at http://www.buildandclick.com/index.html
    2 Stroke Wizard Tuned Pipe

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