o ring piston

Discussion in 'Piston & Spring' started by 2fix, Nov 29, 2018.

  1. 2fix

    2fix New Member

    Joined:
    Jan 31, 2009
    Messages:
    23
    Location:
    longbridge biringham
    tx 200 piston skirt less o ring grove is this machined straight slot half moon
     
  2. hmangphilly

    hmangphilly The Doctor

    Joined:
    Nov 5, 2013
    Messages:
    2,202
    Location:
    wimborne
    go for it if you can grind a profile tool

    don't forget that the o ring needs some room to squish into
     
    Last edited: Nov 30, 2018
  3. 2fix

    2fix New Member

    Joined:
    Jan 31, 2009
    Messages:
    23
    Location:
    longbridge biringham
    thanks for reply so a straight slote will be ok save me trying to make bull nose tool bit
     
  4. hmangphilly

    hmangphilly The Doctor

    Joined:
    Nov 5, 2013
    Messages:
    2,202
    Location:
    wimborne
    flat bottomed groove is fine .
    make it a little bit wider than the section of the oring


    why skirtless ?
     
  5. 2fix

    2fix New Member

    Joined:
    Jan 31, 2009
    Messages:
    23
    Location:
    longbridge biringham
    have old mark 2 piston but had drill out old still spring weight and lost bottom 3 threads and was going to make up new piston o ring using old piston rod 25 mm skirt less u o ring
     

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