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Thread: German TLR Project

  1. #21
    AMA Pit Boss doug's Avatar
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    I followed the link to the German site and then went through all the pages, there is a lot more pics. Needs to open a photobucket account which is free and upload all the pics there as there are lots. Looks like a custom airbox, and the rear shock seems to have started as an Ohlins TLR shock and then a new rocker was fabricated, with change in spring etc. Looks interesting. On the frame inserts the adjustable headstock angle I personally dont feel is all that important but the adjustable triples definitely. The extra trail is I think important on gixxer160's new race bike doing just that and as gixxstar pointed out he has had very good success with Kosman and Attack triples. WE are going to 2008 gixxer 1000 triples which is I think a viable solution on a race bike but not suitable for a street tl as the ignition wont fit.

  2. #22
    Baby Twin fisch's Avatar
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    Hello,
    first of all, thanks for the replys. It shows you are interested and I did some new stuff never have been done bevore.
    The rear shock was a original Oehlins, the rocker is made by wilbers.

    More informations later, I have to go to lunch with the family.

    Frank

  3. #23
    Silver Subscriber Rich's Avatar
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    Please, more information about that rising rate linkage

    What spring/shock did you use after fitting the linkage?

    How well does it work?

    BTW, I looked at the German link too, and saw a list of part weights with the name Rufer above
    That looked familiar, tho I don't speak the language . . .
    TLOTM March 2010

  4. #24
    Baby Twin fisch's Avatar
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    rear Suspension

    Hello,
    here I try to explain the reasons to retrofit the rear Oehlins suspension.
    The first Idear I had was only a optical and a litle technical retrofit: I wanted to have the first complete black Oehlins rear shock, for this the housing, and the adapters were black hardanodisized and the piston rod was carbon WC/C coated. I worked for the world biggest PVD coating company, Oerlikon Balzers, so WC/C coating was no problem.



    After the frontfork was finished and the main frame and swingarm was black powdercoated, I mounted the chassis and took it to one of the best (my personal opinion) german chassis specialists in Germany, Martin Sauer (alusauer.de).
    His first words were that this kind of rear suspension will never work very well because there is too small spring travel, over all only 20mm. The first 5mm way of the spring travel on the shock only the spring works, then after this way the oil damping. 5mm on the shock is 25mm on the wheel axis of the swingarm! I hope you understand what i try to explain here.



    The only way to make this better is to increase the spring travel, this means no direct link to the swing arm like Oehlins original does. The solution was a indirect link of the Swingarm with a rocker. Martin wanted to use a Duc 916 rocker, and a TTX 36 Oehlins, but to link this he wanted to weld a a lot of parts in the main frame, so this was no solution for me. It was too complicated and too expensive.

    The new chassis geometric should be similar to the CBR 1000 SC59, but for this the original swingarm was to short, so I decided to fab new swingarm ends, but this is another story.

    Back in the Wollis Bikeroffice I had the chance to compare the Oehlins shock with a wilbers and was suprised how similar they were in length and spring travel: The Wilbers is 5mm longer and has 5mm more spring travel! I asked my suspension specialist Volker (Pepe tuning) if it it possible to increase the spring travel 5mm, he told me that this is no problem. The Idea for this rear suspension was born. I ordered a wilbers rocker and a wilbers spring with a rate of 130Nm/cm, the original oehlins springrate is 210Nm/cm. I know it is much easier to mount the original wilbers solution, but I wanted to have something extraordinary and exclusive on my bike. The Wilbers damper is in compresion high and lowspeed adjustable, I looked for a Oehlins piggy back with the same design as the TLR one, but with a high/lowspeed adjustment in compression and found it: The one is original for a Duc 916 race damper.
    After the damper was complete I tried to mount it and it didn't fit:
    The diameter of the rebound adjustment wheel was too large and got in contact with the rocker! I took the rubber away from the wheel. After this it fitted. The final solution will be a wilbers rebound wheel which has less diameter, but this is still to be done.

    I can not tell You if it works well until it is spring here in Germany, the first impression by pushing it was very good. Maybe it is possible to fab a ttx shock fitting in this system. The latest technology in rear suspension for the old TLR. I will write here when I know if this is possible!
    Attached Thumbnails Attached Thumbnails German TLR Project-img_9673_1.jpg  

  5. #25
    Baby Twin fisch's Avatar
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    Race Radiator

    I was lucky to have contact with a guy who worked for the german Superbike team using the TLR in season 1999/2000. He had tis radiator left, it is sealed but after a crash a little deformated, but it is still o.k. for using it. I have found someone who can make copies from this original, but the costs are min. 800 Euros for the complete radiator! I think that is too much for a group buy, even if I can get it a little cheaper!

  6. #26
    Silver Subscriber Rich's Avatar
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    Thanks for the write up Frank, very imformative

    One question: were the parts for your rear suspension linkage all stock Wilbers parts, or did you have to fabricate anything?
    TLOTM March 2010

  7. #27
    Baby Twin fisch's Avatar
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    Hello Rich,
    all wilbers parts are Stock wilbers parts with small modifications.
    The mouth of the Rocker is milled out a little bit and the lower lug has the false thread and diameter for the oehlins piston rod.

  8. #28
    One Liter Duc Eater fimp-bikes's Avatar
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    yes, i like this build very much


    is it to have german style hocker/heck?

  9. #29
    Banned vandriver's Avatar
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    Looks similar to the Penske piggyback, triple adjustable that I put together with an LE link.



  10. #30
    Baby Twin fisch's Avatar
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    Hello Van,
    I never saw a Penske bevore. Noone sells it in Europe. Is it in compression high/lowspeed and in reound adjustable?

    @fimp-Bikes: I don't know what german style is for You. I will build a Carbon monocoque. As base I will use a Kilo GSX-R K 3/4 Tailsection. At the moment I redesign a original Fueltank. It will be 3cm shorter and taller than the original. I want a modern seating Position, higher and more to the Frontwheel. When I have the first few results and Fotos I will post it here.
    Last edited by fisch; 11-26-2009 at 08:00 AM.

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