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Cast Iron Fin repair inside <------

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  • Cast Iron Fin repair inside <------

    Hey All, since I'm new here Id like to share a repair I just did on a set of square base cylinders. These needed a bunch of fin repair, valve seats, and a sleeve, All work was done by me in my hobby shop.

    IMG_1376.jpg
    Broken exhaust spigot

    IMG_1370.jpg
    I used the cast iron bar, bored out on the lathe and sized to the correct OD

    IMG_1371.jpg

    IMG_1373.jpg
    Spigot welded on, I use lots of pre and post heat, and 99NI stick welding rod that I clean the flux off and TIG with it

    IMG_1365.jpg
    For the smaller repairs i was able to use some donor fins, but for this big one I used a good old fry pan, it was the right thickness

  • #3
    Thanks for the pictures, have ever used silicone bronze rod on cast iron?

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    • #4
      Originally posted by pan620 View Post
      Thanks for the pictures, have ever used silicone bronze rod on cast iron?
      Hey, Pan620 I have not but I know a lot of guys do, I've just had pretty good success with NI99 so have stuck with it

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      • #5
        Originally posted by ClassC Dan View Post
        Hey All, since I'm new here Id like to share a repair I just did on a set of square base cylinders. These needed a bunch of fin repair, valve seats, and a sleeve, All work was done by me in my hobby shop.
        Dan, that looks like fun! Good on you to tackle the job, nice end result!
        Pisten Bully is Harry Roberts in Vermont.

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