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Tutorial (WIP) SRT Gearbox with hydraulic clutch

Discussion in 'DIY peripherals' started by Lebois, Jul 26, 2020.

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  1. Lebois

    Lebois (maybe I am wrong, but who knows...)

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    Hi ! I am working on a H-pattern Gearbox. It will be controlled by the SRT P1 clutch pedal.

    PRESENTATION:
    The best gearbox in the world:

    • 6-speed H-box + reverse gear
    • Sequential (we go from one to the other in 3 seconds)
    • Clutch mode (optional): if you don’t press the clutch pedal, the gearbox stays locked (only in H mode)
    • Multiple attachment points (from underneath and from the side)
    • Adjustable front-rear and left-right feeling
    • Adapter to mount a hand brake (P1)
    • Possibility to connect pedals to it
    • For about 140€.
    All the documentation is available on the Discord


    [​IMG]

    If you want to check the evolution : https://lebois-racing.fr/en

    Great Video of the assembly by Ulmann :
    • Like Like x 1
    Last edited: Jun 15, 2021
  2. Ads Master

    Ads Master

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  3. Gadget999

    Gadget999 Well-Known Member

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    is there a video of it working ?
  4. 7HUND3R

    7HUND3R Active Member

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    How big is the gearbox?
  5. Lebois

    Lebois (maybe I am wrong, but who knows...)

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  6. Lebois

    Lebois (maybe I am wrong, but who knows...)

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    Almost ready !
    [​IMG]
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  7. Paulerd

    Paulerd New Member

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    Would this be able to be used as a dogbox? Something like a nascar gearbox
  8. Lebois

    Lebois (maybe I am wrong, but who knows...)

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    I don't think so. I made some research few weeks ago, and found out that there are so many different gearbox that it's impossible to have them all in one ^^
  9. Lebois

    Lebois (maybe I am wrong, but who knows...)

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    Do you know a gearbox that offer so many points of attachement ?
    [​IMG]
    Fastener integration is now complete. A few points may be added as we go along, but as it stands, the possibilities are numerous.
    [​IMG]
    The movement is smoother than before thanks to the use of round axes instead of threaded rods. There is still too much friction on the forward and backward movements for the sequential mode to be satisfying.
    So we will have to rework the front-rear tracks and probably the large triangular part.
    It is also necessary to develop the wedges in order to be able to assemble the mechanics precisely.
    • Like Like x 4
  10. Lebois

    Lebois (maybe I am wrong, but who knows...)

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    Almost there !
    [​IMG]
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  11. PeterW

    PeterW alias Wickie

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    Wow, respect! Thanks for sharing!
    Will you share your CAD-models or stl.-files later?
    Wickie
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  12. Lebois

    Lebois (maybe I am wrong, but who knows...)

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    Yes I will do so. I hope to share it in two weeks or so
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  13. Lebois

    Lebois (maybe I am wrong, but who knows...)

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    Here is a video :)
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  14. 7HUND3R

    7HUND3R Active Member

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  15. Lebois

    Lebois (maybe I am wrong, but who knows...)

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  16. Lebois

    Lebois (maybe I am wrong, but who knows...)

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    New update : https://lebois-racing.fr/srt-gearbox-dev-1

    Before starting, what do you think about organising a closed beta? The idea would be to get a small group of people together to make the box, and target different points that I can’t necessarily solve on my own.

    Indeed it would make it possible to :

    1. Check that the box can be mounted on various supports.
    2. Check that the box is “buildable” even by people with limited knowledge of printing or electronics
    3. Validate some ideas (the button plate for example).
    4. Check that the box works correctly over time
    Read more.
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  17. Lebois

    Lebois (maybe I am wrong, but who knows...)

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    Hi ! I spend the day building the v7.9 after 4 days of non-stop printing.
    Everything works ! I am exhaust now, but here a quick update.
    You can subscribe to the closed beta by sending me your email on my facebook page.
  18. 7HUND3R

    7HUND3R Active Member

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    An impressive work is seen and above all, what is most surprising, the quality of the 3d pieces with that matte and smooth smooth effect. Is the PLA coil you use expensive?
  19. Lebois

    Lebois (maybe I am wrong, but who knows...)

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    note that much. It's a PLA+. 50€/2,5kg
  20. 7HUND3R

    7HUND3R Active Member

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    Well, 2.5kg is a lot for me. I always buy 800g or 1 kg. If the 2.5kg comes out to 50 I suppose that 1.5kb would be 25 euros. It not so expensive.
  21. Lebois

    Lebois (maybe I am wrong, but who knows...)

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    Where are you from ? You can find 1kg on Amazon.