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  1. natalefr

    Porsche 917 flat 12 engine

    Wow ! 😍
  2. natalefr

    Otto Langen engine 1867

    Congratulations ! 😍
  3. natalefr

    In-line triple 45cc

    Great job congratulations !
  4. natalefr

    Cnc - Manual router

    What is the software ? Mach or other ?
  5. natalefr

    In-line triple 45cc

    Congratulations !
  6. natalefr

    Project of the Month - September 2018

    Congratulations Gégé :D
  7. natalefr

    Farm Boy 651

    WOW !
  8. natalefr

    V4

    Good job ! :)
  9. natalefr

    Upshur Twin

    And here we go :p Cylinders are made of solid cast iron yet to be finished, pistons adjusted without segments (after with use we will see) as on the Hupshur Horizontal Crankshaft of one piece
  10. natalefr

    Upshur Opposed Twin

    Please send photos Good luck !
  11. natalefr

    Viton O-Rings

    https://encyclopedia2.thefreedictionary.com/Fluoroelastomer I used FPM Viton This seal of FPM material can be used at temperatures ranging from -20 C to + 200 C. FPM seals are resistant to heat, aggressive mineral oils, atmospheric agents, petroleum products (hydrocarbons), aliphatic and...
  12. natalefr

    Upshur Opposed Twin

    Ok I'm interested Don't forget hole for camshaft ;)
  13. natalefr

    Upshur Opposed Twin

    If you build the crankcase in a block, how do you fit the crankshaft and camshaft inside? I suggest you put the bearings on the crankshaft and on the camshaft I'm starting this engine too :D
  14. natalefr

    A Brian Rupnow Air Motor

    Nice engine ! :) Is a Brian Rupnow's petrol engine modified ?
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