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Thread: 2-stroke excel for ports, heads and pipes

  1. #46
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    19th June 2011 - 00:29
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    another smal error reported by a member.


    The error is in cell P19. It refers to the percentage of the 2 stage diffusor in cell M18
    but it should refer to cell R19, which is the percentage of the 3 stage diffusor.

    change it yourself or download a new version

    http://users.telenet.be/jannemie/Jan...oke%201.2.xlsm

  2. #47
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    19th June 2011 - 00:29
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    NEW DOWNLOAD LINKS due to dissapearance of webpage :

    excel 1.2 : https://www.dropbox.com/s/704mkuizsw...01.2.xlsm?dl=0
    doc 1.2 : https://www.dropbox.com/s/kthd5k7nnt...01.2.docx?dl=0

  3. #48
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    5th April 2013 - 13:09
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    Very nice work!

    I just downloaded latest link. Instructions say there's a 250 MX engine data. I only see 2 125s. Did this change? I'd like to see the 250 data and what it was from (make/ model/ year)

  4. #49
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    19th June 2011 - 00:29
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    due to a new post from Frits : https://www.kiwibiker.co.nz/forums/s...tuner/page2494

    I made a small correction to the calculation of the target Bd and transfer STA to get the correct target-value spot-on again with the new BMEP of the RSA

    excel 1.2.1 : https://dl.dropboxusercontent.com/s/lng9du2bxfic02e/JanBros%202-stroke%201.2.1.xlsm?dl=0


    doc 1.2 : https://dl.dropboxusercontent.com/scl/fi/1nd418esc40e76r8xrcbc/JanBros-2-stroke-1.2.docx?dl=0&rlkey=cy9a7q74h74oy48633s5yj8e1














  5. #50
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    19th June 2011 - 00:29
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    another small error reported, which caused the exh port width to be a little too low.
    corrected link in post above

  6. #51
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    20th January 2010 - 14:41
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    Quote Originally Posted by JanBros View Post
    another small error reported, which caused the exh port width to be a little too low.
    corrected link in post above
    Thanks for making this available, I appreciate the work that goes into this and the selfness nature of sharing it.
    Quote Originally Posted by Katman View Post
    I reminder distinctly .




    Kinky is using a feather. Perverted is using the whole chicken

  7. #52
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    19th June 2011 - 00:29
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    small Christmas present, I've changed my FOS-exhaust page, so it includes the header and diffuser %'s, and some other changes.
    excel : https://greentrade.international/Jan...stroke2.0.xlsm
    doc : https://greentrade.international/Jan...stroke2.0.docx

    and a stand alone Exhaust, which has an extra exhaust-comparator sheet
    https://greentrade.international/Jan..._PIPE_3.0.xlsm

  8. #53
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    1st May 2016 - 13:54
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    Thank you for your efforts.
    Merry Christmas and have a great 2024.

  9. #54
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    18th March 2012 - 08:35
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    Homebuilt chassi, Kawasaki 212cc
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    Quote Originally Posted by JanBros View Post
    small Christmas present, I've changed my FOS-exhaust page, so it includes the header and diffuser %'s, and some other changes.
    excel : https://greentrade.international/Jan...stroke2.0.xlsm
    doc : https://greentrade.international/Jan...stroke2.0.docx

    and a stand alone Exhaust, which has an extra exhaust-comparator sheet
    https://greentrade.international/Jan..._PIPE_3.0.xlsm
    It seems like your program is calculating wrong when trying to make a head.
    Known bug?

    I can´t point at specific problems as it seems there are a lot.

  10. #55
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    19th June 2011 - 00:29
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    Quote Originally Posted by SwePatrick View Post
    It seems like your program is calculating wrong when trying to make a head.
    Known bug?

    I can´t point at specific problems as it seems there are a lot.
    anything is possible, but you would be the first .
    and without something specific, it's hard to look for it.

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