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  1. S

    Piston rings

    Hi, can you explain your procedure? Thanks
  2. S

    Wren Free Turbine Plans

    Unfortunately the translation leads to misunderstandings, do you mean a reverse flow turbine like this? https://www.baronerosso.it/modellismo_articoli/show/542/turbina-jmb-t-120.html
  3. S

    Wren Free Turbine Plans

    JetJoè sells by mail order I bought 2 fuel pumps. how did you make the fuel pump?
  4. S

    Wren Free Turbine Plans

    I am following with interest, I am "very slowly" building a GR 130 turbine, I always post the steps on another site, if I am allowed I can publish the link.
  5. S

    CNC Mach 3 Parallel port replacement

    The demo version of mach3 allows you to use only 1000 lines of G code
  6. S

    Ohrndorf 5 Cylinder Radial

    This indicator
  7. S

    Ohrndorf 5 Cylinder Radial

    Great work of precision, where can you buy the light centering device in the photo that you used? Thank you
  8. S

    Lawrence Merlin V12

    Even if it doesn't fully reproduce the real maelin it's really a great job, it would be nice to try a construction. you are really good
  9. S

    Milling Vise Recommendations

    I have 2 VERTEX vices, they are excellent quality / price.
  10. S

    18 Cylinders Isotta Fraschini (straight six-cylinder x3 )

    Nice and very refined work, while you are doing the grinding you don't use coolant?
  11. S

    5-cylinder radial

    Congratulations a really nice and very demanding job, Is the link where you bought the project not active? thank you
  12. S

    18 Cylinders Isotta Fraschini (straight six-cylinder x3 )

    It is a very demanding project, good work. I follow you.
  13. S

    A rocket maker

    I do not know ,
  14. S

    A rocket maker

    There is this book, the most complete guide to the pulse jet
  15. S

    OS Gemini twin rear carb gas conversion

    Ok, it's not clear from the photo
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