May have invented new Swiss Cheesing method

Discussion in 'Gun Building, Modifications & Repairs' started by Axis, Nov 18, 2012.

  1. Axis

    Axis New Member Supporting Member

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    So I was thinking of a way to swiss cheese my piston without using a power drill or rotary tool, so I got to thinking...what if I used a lighter, melted the plastic, and cut off the melted plastic that was meant to be removed? So I tried this, and was quite pleased with the results.

    I haven't reassembled the GB yet to test how it works, but the spring does fit inside the piston. It took me about 30 minutes to get to the point where I got. The piston fit in the grooves of the gearbox and worked flawlessly. I did however have to shape the plastic correctly to do this.

    NOTE: I didn't remember that plastic can be harmful when burned, especially indoors. Make sure if you try this, you do it outside.
     

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  2. Mystery43_4

    Mystery43_4 New Member

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    I don't approve. I'd rather take a pair of side cutters to it to make that cut. However I wouldn't remove the rear of the piston like you have.

    Good job for thinking outside of the box and working with what you have though.
     

  3. CoppertopNeasg

    CoppertopNeasg New Member

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    It appears that you have compromised the structural integrity of the piston.
     
  4. Axis

    Axis New Member Supporting Member

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    Thanks for the feedback.
     
  5. Lefse

    Lefse Well-Known Member Supporting Member

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    If I didn't have access to power tools I would rather use a sharp utility knife and carefully cut out the material. You actually risk deforming the piston body with this method too. You need 3 "rings" on the top to keep the structural integrity and also to keep the spring in place.
     
  6. CoppertopNeasg

    CoppertopNeasg New Member

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    Also I believe that heat changes the characteristics of the plastic making it more brittle and less resilient to stress.
     
  7. S1kkguy

    S1kkguy New Member

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    I'd think the heat would change or adversely affect the structure of the piston, reinforcing what surfer said.