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Thread: ESE's works engine tuner

  1. #15001
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    Na, link is NFG
    Ive got a thing thats unique and new.To prove it I'll have the last laugh on you.Cause instead of one head I got two.And you know two heads are better than one.

  2. #15002
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    Quote Originally Posted by husaberg View Post
    Odd it works for me?
    Is it the same for others?
    There will not be much in there you have not seen before Frits
    Works for me , maybe you need a NZ passport?
    My neighbours diary says I have boundary issues

  3. #15003
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    Not me. pretty sure I was born here.
    I've been told. Dreaming`s free.
    Think I'll go, back to sleep.
    Everybody listen, voices in my head
    Everybody listen, do yours say, what mine says?

  4. #15004
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    Doesn't work for me either, - maybe I shouldn't have said all those things about Telecom, - sorry, I mean Spark! - or is it my passport? Maybe I should have voted for Winston, I dunno.

  5. #15005
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    20th January 2010 - 14:41
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    I will ask the Lord of the forum to look at it.
    I way be a quirk of me being logged in and windows 8.
    I am at work on W7 so i will try again
    For some reason widows 8 will not let me post an embeded link in text either.

    Later
    Ok i have put the links in again this time using the link button rather than just picking them up as a url.
    I have pm'ed Mr Trousers as well.
    if not click on Husaberg go to albums.
    I still have plenty of stuff to load but there is not much new, just easier for me to find stuff.


    Later again
    Ok this is what the site admin said...
    IT's not KB, it's not me, its you......
    Quote Originally Posted by Mental Trousers
    The server is running perfectly fine and I've tried with 3 different browsers and they're all good too.

    As long as the album is set to Public there shouldn't be any problem. If people are having problems it's usually something to do with filtering, either their ISP does some spam filtering and blocks them, or it's settings in their browser, or it's internet security type software.

    Cheers.

    Mr trousers.
    NSR500
    http://www.kiwibiker.co.nz/forums/al...p?albumid=4837
    http://www.kiwibiker.co.nz/forums/al...p?albumid=4837

    I will be adding some more later including
    Honda RS125
    http://www.kiwibiker.co.nz/forums/al...p?albumid=4841
    http://www.kiwibiker.co.nz/forums/al...p?albumid=4841

    Aprilia GP bikes
    http://www.kiwibiker.co.nz/forums/al...p?albumid=4839
    http://www.kiwibiker.co.nz/forums/al...p?albumid=4839

    YZR500
    http://www.kiwibiker.co.nz/forums/al...p?albumid=4845
    http://www.kiwibiker.co.nz/forums/al...p?albumid=4845


    Swiss auto
    http://www.kiwibiker.co.nz/forums/al...p?albumid=4833
    http://www.kiwibiker.co.nz/forums/al...p?albumid=4833

    Rotax and other Tandem twins
    http://www.kiwibiker.co.nz/forums/al...p?albumid=4840
    http://www.kiwibiker.co.nz/forums/al...p?albumid=4840


    RGV500

    Kenny Roberts 3's

    Cagiva
    http://www.kiwibiker.co.nz/forums/al...p?albumid=4842
    http://www.kiwibiker.co.nz/forums/al...p?albumid=4842

    Carbs fuels intakes and stuff
    http://www.kiwibiker.co.nz/forums/al...p?albumid=4844
    http://www.kiwibiker.co.nz/forums/al...p?albumid=4844

    If you can't get it to work click on husaberg (at the top of this post then view profile and then albums

  6. #15006
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    Says those links are on the "dark side" I don't want to know what you have to do to get over there

  7. #15007
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    Quote Originally Posted by husaberg View Post
    ... click on Husaberg go to albums. I still have plenty of stuff to load but there is not much new, just easier for me to find stuff.
    Great to have the pictures and hopefully magazine pages from you vast collection of posts in one easy accessible place.
    Factual Facts are based on real Fact and Universal Truths. Alternative Facts by definition are not based on Truth.

  8. #15008
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    [QUOTE=chrisc;1130773171]Today I found these somewhere deep in the ESE thread. Worthy of a repost I think.
    Av on Scott's RSGP125 around Mt Welly.

    Who's that on #88? Bit of a rocket

  9. #15009
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    Quote Originally Posted by lodgernz View Post
    Quote Originally Posted by chrisc View Post
    Today I found these somewhere deep in the ESE thread. Worthy of a repost I think. Av on Scott's RSGP125 around Mt Welly.
    Who's that on #88? Bit of a rocket
    Nathaniel D, proving that you can be fast but to be first you first have to finish. A lap later you can see him picking himself up off the track.

    Nathaniel is a very good up and coming rider with plenty of talent. It would be good to see him at the BOB.
    Factual Facts are based on real Fact and Universal Truths. Alternative Facts by definition are not based on Truth.

  10. #15010
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    20th January 2010 - 14:41
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    Quote Originally Posted by husaberg View Post
    I ve got some Dentist bits if he wants them, l but they are tiny they would be more useful for drilling small items like teeth.

    Desaxe

    I asked the panel a while back about offsetting cylinders ala YZF450 and Scott and Kawasaki ZX10R.


    What i didn't know it comes from the steam age and a lot of aero engines were like this this is what i came up with today whist looking for something else.
    I am still trying to model this with a 50mm 50 engine to see the results as my maths is crap and drawings are proving inaccurate.

    http://en.wikipedia.org/wiki/Desaxe



    http://ashonbikes.com/content/d%C3%A9sax%C3%A9-engines

    http://www.iroquois.free-online.co.uk/merco/len.htm

    And this
    http://hellforleathermagazine.com/20...ed/#more-13281

    Attachment 256340

    And more curiously this on the Bantam thread.
    http://bsabantamracing.editboard.com...-configuration




    Can Frits add some info to the RSA bit of the story
    ?







    Quote Originally Posted by TZ350 View Post
    PatAT Asymmetric Timing in Two-Strokes


    Attachment 300849

    http://www.homebuiltairplanes.com/fo...o-strokes.html

    Asymmetric transfer timing, I have no idea if it works but its an interesting idea ....
    Quote Originally Posted by husaberg View Post
    Frits covered it further back........ Yamaha achieve it via offsetting the crankshaft and cylinder on quite a few modern bikes. ie YZF450
    The port timing can be made asymmetric on a two stroke.
    I think TZ ran the sim up to 12mm?
    Quote Originally Posted by senso View Post
    Up to 4mm would be easy to do, just mill the crankcase off-set and add some guide pins, more than that would need welding, but given the over-squareness of 54x44mm its a strange layout to work with, the exhaust pipes need much different sizes when compared to a more conventional square or almost square engine, the combustion chamber is also stranger and more difficult to react to some changes talked here.
    I found it

    Quote Originally Posted by husaberg View Post
    Thanks for your reply Frits and Grumph I actually thought the offsetting might decrease the stroke but i guess my cockeyed math was a little crap.

    But to save me stealing my kids compass and protractor would moving the cylinder forward or backwards actually have the same effect as the offset of the pin?
    No doubt fits or wob can click a few keys on the keyboard? if not i will try to draw it out to see old school style. the 12mm offset did seem to make a meaningful difference on the sim with no other changes to spec to suit. it may have been a lot less reliablw though no doubt. Slapwise


    Below is the Swiss Auto/ ELF/ ROC /MZ /Pulse V4 500 GP bike Bill Bucley has a Pulse 500 don't know if that has a ROC frame but i guess ir does.
    Quote Originally Posted by Frits Overmars View Post
    If I remember correctly (1926 is some time back) the Garelli 350 Competizione was a split single allright, but unlike the later DKW split-single racers it did not have forked or articulated conrods. The Garelli was a normal 360 (both pistons rising and falling simultaneously) parallel twin with three transfer ports in the left cylinder and two exhaust ports in the right cylinder. Both cylinders shared a common combustion chamber. Each piston commanded two carburetters. Also unlike the DKWs, the Garelli had no auxiliary pump cylinder or blower of any kind.
    I do like the look of the Garelli's exhaust pipes. It is the oldest bike I know of with such modern-looking pipes. Using diffusers to promote suction was not yet common practice then, and adding end cones would be regarded as revolutionary 26 years later! But I suspect that neither the exhaust timing nor the blowdown time.area of the Garelli did the end cones much justice; they were probably shaped like this just to accomodate the fish-tails.

    I would not bother with offsetting cylinders or piston pins to achieve asymmetrical timing. The effect is very small and who needs the complication.
    The pic below shows a calculation I did on the Aprilia RSA125. I gave it an offset of no less than 10% of the stroke in order to enhance the effect.
    It is obvious that the maximum conrod angles become asymmetric. What may be less obvious, is the increase in piston stroke for a given crankshaft stroke!
    It is also remarkable that it takes more than 180 crank degrees from TDC to BDC, and less than 180 from BDC to TDC.
    Below is the sim Rob did it took bloody ages to find it.......
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  11. #15011
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    Quote Originally Posted by husaberg View Post
    If you can't get it to work click on husaberg (at the top of this post then view profile and then albums
    Yeah, right:

    vBulletin Message

    Invalid Album specified. If you followed a valid link, please notify the administrator

  12. #15012
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    Quote Originally Posted by Frits Overmars View Post
    Yeah, right:

    vBulletin Message

    Invalid Album specified. If you followed a valid link, please notify the administrator
    This is doing my head in Maybe I should remove the word porn from the post.
    Maybe as mental said it is likely your security settings, there is nothing in their that is too dodgy other than the Yamahas and old British stuff?

  13. #15013
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    Quote Originally Posted by husaberg View Post
    This is doing my head in Maybe I should remove the word porn from the post. Maybe as mental said it is likely your security settings
    I just checked: more porn than you can shake your stick at. So that's not it.

  14. #15014
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    4th August 2007 - 17:55
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    Ignition timing.

    I have a question re timing. At the moment 300 engine I am working with has plenty of timing at peak power. Like 14 degrees. I ran it for a race weekend and test day and then inspected the piston and head. All looked great. It was running strong cool and making the most power so far. My question is how much is to much. Is the old thinking of chuck in advance until it stops making power still valid or is there just a place you should not go. I ask this as I am fascinated with the cylinder head changes I made and wonder if we had put more advance in weather it would have brought the power back up. As the MSV was lower.

    Cheers Rich.

  15. #15015
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    Quote Originally Posted by richban View Post
    Ignition timing.

    I have a question re timing. At the moment 300 engine I am working with has plenty of timing at peak power. Like 14 degrees. I ran it for a race weekend and test day and then inspected the piston and head. All looked great. It was running strong cool and making the most power so far. My question is how much is to much. Is the old thinking of chuck in advance until it stops making power still valid or is there just a place you should not go. I ask this as I am fascinated with the cylinder head changes I made and wonder if we had put more advance in weather it would have brought the power back up. As the MSV was lower.

    Cheers Rich.
    Maybe you should get a detonation sensor, then you will know when too much is, the other way is more destructive.
    Do you have an ignitech? The det sensor box comes with an output that makes the ignitech retard a few degrees (or whatever you set) when it starts knocking. They cost $40 plus a sensor.
    Cheap insurance

    Ok they actually cost $68 http://www.ebay.com/itm/Knock-gauge-...e9e926&vxp=mtr
    My neighbours diary says I have boundary issues

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