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Pat trap help?

Discussion in 'Shooting Related Threads' started by Bird Grinder, Nov 25, 2012.

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  1. Bird Grinder

    Bird Grinder Member

    Joined:
    Jan 29, 1998
    Messages:
    269
    Does anyone know the best durometer hardness for the O-rings on the target rollers? And where and what size hole to pin the hydraulic motor to keep the magazine in time with the elevator? What works the best, roll pin or set screw? Someone had pictures of what to do on here a long time ago. Did a search and didn't find anything.
     
  2. grunt

    grunt TS Supporters TS Supporters

    Joined:
    Jan 29, 1998
    Messages:
    5,918
    Location:
    Thousand Oaks Ca
    1/8" roll pin will work.Not sure of the o ring
     
  3. Bird Grinder

    Bird Grinder Member

    Joined:
    Jan 29, 1998
    Messages:
    269
    Found some 50A is that to soft?
     
  4. pulllit

    pulllit Member

    Joined:
    Jan 29, 1998
    Messages:
    231
    Location:
    Southern part of IL
    70A is what I use with good results.

    Buna-N (Nitrile)

    Here is a chart with the relative softness of the numbers.

    http://mykin.com/rubber-hardness-chart
     
  5. Ron Burdick

    Ron Burdick Active Member

    Joined:
    Jan 29, 1998
    Messages:
    770
    Location:
    Duncan, SC
    Why don't you just order them from Amy at Pat-Trap and you will know that you have the correct O-rings.

    [603]428-3396

    Ron Burdick
     
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