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Thread: ESE's works engine tuner

  1. #31051
    Join Date
    22nd November 2012 - 23:14
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    Anything with 2 wheels
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    Chonburi, Thailand
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    Quote Originally Posted by wobbly View Post
    Matt , the Ignitech coils seem to work the same as the RGV / RS250 coils.
    Its a matter of matching the output circuit of the DCDC converter to the reactive impedance of the coil.
    Ignitech have chosen one pairing , Honda another.
    The perfect and obvious answer. Thanks.

  2. #31052
    Join Date
    13th December 2018 - 18:06
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    youtube andreas länström
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    sweden
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    Quote Originally Posted by bucketracer View Post
    Page 500 .....

    No need to have a peaky engine. Here are Two Very useful Tools. EngMod2T a 2-Stroke simulation package and a handy (and cheep) Porting Calculator from:- http://www.porting-programs.com/ which is based on Blairs work.

    Attachment 263589Rich's 4-Stroke





    There are over 3,500 images on this thread. To find the interesting ones use Thread Tools near the top of this page and View Images, then sort them from the Beginning and 70 to a page. Click on the Image to view it and the little N/A sign to go to the Post about it.

    On each decade page, 490, 480, 470, 460 etc there is a collection of links or a collection of the more interesting technical posts from the last ten pages.

    A bit of an index .....

    Page 490 The Trombone, Ex port resonance and Transfer port stagger.
    Page 480 A vid of the Trombone, transfer timing and hot gases entering the transfers because of insufficient blow-down for the rpm.
    Page 470 Blow-down STA ... Specific Time Area.
    Page 460 No list but the page talks about Boost Bottles.
    Page 450 Links to the basic info for building a 30+ hp Bucket.
    Page 440 No list, page talks about power and air correction jets.
    Page 430 Carb inlet lengths and crankcase volumes.
    Page 420 Transfer ports and the importance of the up swept angles, the Leaning Tower of Pisa principle explained.
    Page 410 Rolling road dynos, main and power jet ratio.
    Page 400 Links to the basic info for building a 30hp Suzuki GP125 Bucket engine.
    Page 390 Links to Frits collection of Aprilia stuff.
    Page 380 Transfer duct shape and STA's.
    Page 370 No list but the page talks about Jan Thiel and racing 50's.
    Page 360 Frits chamber calculations formula.
    Page 350 PJ switching, Wob and crank shaft balance.
    Page 340 Muriatic Acid, main brg float, Husburgs con rod dimensions.
    Page 330 No list, page talks about expansion chambers, race gas.
    Page 320 High temp silicon, Yama Bond, crankcase sealing, air solenoids Vid clips of Mamola.
    Page 310 Copper for cooling, sprockets for cooling, steering head brgs.
    Page 300 How to determine STA numbers.
    Page 290 B/E dimensions, delivery ratio, Honda Ex Step, stinger nozzel
    Page 280 Aprilia RSA port layout explained, pumper carb, links to gluing up the GP cases.
    Page 270 Link list on how to make a decent high 20's hp Suzuki GP125 Bucket engine.
    Page 260 Over rev cough and what it means, Mallory metal for crank balancing.
    Page 250 27hp from a 1978 Suzuki GP125
    Page 240 Aprilia RSA cylinder stuff.
    Page 230 Porting Calculator and a lot of other useful tech links.
    Page 220 RG50 part numbers, 2-stroke carb atomisers explained
    Page 210 Page is mostly about the results from the TRRS
    Page 200 Simple 18 hp Suzuki GP Bucket engine using a RG250 pipe.

    Etc ...
    Very helpful quick guide, there is some 2000 pages here, interesting indeed, but i'm looking for exhaust pipe discussion, the more physical the better. Do you have any suggestion? Thanks.

  3. #31053
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    20th April 2011 - 08:45
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    Quote Originally Posted by andreas View Post
    ... i'm looking for exhaust pipe discussion, the more physical the better. Do you have any suggestion? Thanks.
    If you don't find it here, you might try http://www.pit-lane.biz/t117p246-gp1...-part-1-locked
    If nothing else, it will get you through the Christmas period, Andreas.

  4. #31054
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    13th December 2018 - 18:06
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    Quote Originally Posted by Frits Overmars View Post
    If you don't find it here, you might try http://www.pit-lane.biz/t117p246-gp1...-part-1-locked
    If nothing else, it will get you through the Christmas period, Andreas.
    Haha that will be my reading of choise.

  5. #31055
    Join Date
    18th May 2007 - 20:23
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    RG50 and 76 Suzuki GP125 Buckets
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    Auckland
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    Quote Originally Posted by andreas View Post
    Very helpful quick guide, there is some 2000 pages here, interesting indeed, but i'm looking for exhaust pipe discussion, the more physical the better. Do you have any suggestion? Thanks.
    To find what you want, try the Google "site:" search option.

    Quote Originally Posted by TZ350 View Post
    .
    There is a lot of gold to be found in this thread.

    To search for it use the good old Google "SITE:" search option which turned up this on Det Buttons: ......

    det button site:https://www.kiwibiker.co.nz/forums/showthread.php/86554-ESE-s-works-engine-tuner

    Attachment 337313
    Also take a look at pages 1,500 and 2,000.

  6. #31056
    Join Date
    18th May 2007 - 20:23
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    https://www.goodfood.com.au/good-living/entertaining/dinner-party-ideas-what-do-chefs-cook-when-they-have-friends-over-for-dinner-20170220-gugulj

    Quote Originally Posted by andreas View Post
    ... i'm looking for exhaust pipe discussion, the more physical the better.
    Click image for larger version. 

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ID:	339887

    This thread is like a good show and tell dinner party where people put something on the table to share, ideas, talk, and laughter with friends.

    Enjoying whats on the table is good and sharing makes it better.

    Andreas please tell us something about your project.

  7. #31057
    Join Date
    25th March 2004 - 17:22
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    Just for update, cleaned dyno roller and tyres. No slip on the way up. 2nd issue is I was watching the bike tachometer rather than the dyno one as I usually do. Not sure why, maybe just got scared as it was whipping up go 11,000. Actually that was a real 10,000 so a few more revs and my peak was recovered and drops. Don't want to go crazy over revving a big engine. (7mm stroked RZ350 with 72mm CPI barrels).

    Happy enough tickle under 100hp at 9800 with the air box back on. Fine for a road bike in a diminutive 250 chassis.
    Don't you look at my accountant.
    He's the only one I've got.

  8. #31058
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    18th May 2007 - 20:23
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    .
    100 rwhp street legal RZ250 look alike sleeper, very impressive.......

  9. #31059
    Join Date
    25th March 2004 - 17:22
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    Well looks more like an RGV250. . .
    Don't you look at my accountant.
    He's the only one I've got.

  10. #31060
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    18th May 2007 - 20:23
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    Quote Originally Posted by F5 Dave View Post
    Well looks more like an RGV250. . .
    100 hp RGV250 is very impressive, I am both impressed and jealous as..... any pictures?

  11. #31061
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    25th March 2004 - 17:22
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    As it turns out. . .

    https://www.kiwibiker.co.nz/forums/s...rand-new-bike!


    See what I mean about the old tyres

    But there's been, reasons. Time to get it going again for summer.
    Don't you look at my accountant.
    He's the only one I've got.

  12. #31062
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    20th April 2011 - 08:45
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    Some Christmas reading:
    http://translate.google.com/translat...-story-top.htm

    I borrowed the link from my other favorite forum: http://www.pit-lane.biz/t1694p196-ol...vaux-de-kaaden
    This may not be the right thread for it,
    but
    A: it's my favorite Kiwibiker thread
    B: I didn't know where else to put it
    C: chapter 38 may interest TZ350

  13. #31063
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    18th May 2007 - 20:23
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    Quote Originally Posted by F5 Dave View Post
    That is a great read, love the story behind the bike, thanks...

    Quote Originally Posted by Frits Overmars View Post
    Some Christmas reading:

    http://translate.google.com/translat...-story-top.htm

    I borrowed the link from my other favorite forum: http://www.pit-lane.biz/t1694p196-ol...vaux-de-kaaden

    chapter 38 may interest TZ350
    I am looking forward to getting into the Xmas reading, thanks.

  14. #31064
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    18th May 2007 - 20:23
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    Click image for larger version. 

Name:	Last of the Ecotrons.jpg 
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ID:	339939 this is where the story got to with the Ecotrons 2S EFI system on my F4 Suzuki/NSR 110cc Bucket.

    People have asked what am I doing with my new EFI system and why is it taking a bit of time? Should be easy to swap over, Right!, because EFI is EFI.

    And I find it easiest to explain that I had written an EFI story using a foreign language (Ecotrons). Which as it turns out, does not work that well for high performance 2S's. So to change the ending of the story I need to use a different language, like the open source (Speeduino).

    But to change the ending I first have to re write the original story in the new Speeduino language so that it reads the same as it did with the old Ecotrons one. When I have done that, then I should be able to change the ending to a more interesting one. Learning and getting proficient with any new languages takes time.

  15. #31065
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    20th April 2011 - 08:45
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    Quote Originally Posted by TZ350 View Post
    People have asked what am I doing with my new EFI system and why is it taking a bit of time? ....And I find it easiest to explain that I had written an EFI story using a foreign language (Ecotrons). Which as it turns out, does not work that well for high performance 2S's. So to change the ending of the story I need to use a different language...
    Learning and getting proficient with any new languages takes time.
    Boy, can I confirm! I spend most of my time between people whose language was conceived by seasoned sadists. I'm not doing too bad with German, but not a day goes by that I don't think how wonderful English is by comparison. You guys don't know how lucky you are.
    Back on topic: you describe perfectly what it takes to switch from one programming language to an other. Initially the switch won't even improve the quality of the program; that can only come after utilizing the plus-points of the new language.

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