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  1. A

    GearBox Identification

    Is anyone aware of the Manufacturer and Country of production of the GearBox ? https://www.airtrikes.net/spg3_4_pics.htm
  2. A

    Mazda Rotary Engine

    You seem to have missed what he is doing after lapping !
  3. A

    Mazda Rotary Engine

    Interesting, this builder has moved away from nitriding.
  4. A

    Mazda Rotary Engine

    The braised housings would have realized consible weight savings, otherwise what's the point. It would be interesting to know what post treatment the aussie are doing to their replaceable inserts. I have been told by some racers, that most do NO treatment after grinding and lapping.
  5. A

    Mazda Rotary Engine

    Y You would need to ask him. In the start he was quick to respond to comments, but I think he is way to busy now.
  6. A

    Mazda Rotary Engine

    His tube design is sealed at the base, and he has also designed and manufactured sealing plates to avoid the epoxy fill in, which eventually fail. A lot of his current work is for customers building 4 rotor.
  7. A

    Mazda Rotary Engine

    Look at Chips Motorsports on utube.
  8. A

    Mazda Rotary Engine

  9. A

    Mazda Rotary Engine

    Yes, I get that.
  10. A

    Mazda Rotary Engine

    RedBackAviation did a rotary article, with a update in 2020. http://www.redbackaviation.com/powersports-rebirth-rotary-engine/
  11. A

    Mazda Rotary Engine

    O Okay, I look at it as the website is gone, so there is no interest in selling engines. I am not sure if they ever sold any engine packages, and it they did, then keeping the email address active allows some form of support. But then again maybe I am looking at it wrong.
  12. A

    Mazda Rotary Engine

    I would think the best possible surface would be chrome like the rotor housings. Grinding the HardChrome flat would be relatively easy.
  13. A

    Mazda Rotary Engine

    He offered his email address. Have you contacted him? Cryptic response 🤔
  14. A

    Mazda Rotary Engine

    B BilletRotary and Pac Perfomance.
  15. A

    Mazda Rotary Engine

    George, yes I am aware of all those features, but thanks. Steve
  16. A

    Mazda Rotary Engine

    There are at least 2 Aussie companys manufacturing new 2 piece alu housings.
  17. A

    Mazda Rotary Engine

    I am not involved with that utube project. It all there in the episodes. Last I seen they were on the dyno.
  18. A

    Mazda Rotary Engine

    Yes, most of those with interest in Wankels know that, this one rotor was built for street, not aviation. 2 piece alu aussie end plates change that weight issue.
  19. A

    Mazda Rotary Engine

    Here is a link to a successful one rotor build
  20. A

    Mazda Rotary Engine

    They sold at one time cast alu, with a coating. I think the aussie with cnc billet with cast iron inserts forced them out of the market. Steve
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