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  • #1

    Oversized Rivet Holes

    Doing my brakes. First wheel I did was a spare and it worked out fine. Put it on and took one off the plane. Removed rivets. Some @#@#$%$%$&*& retard drilled the holes about 30 over on this one, I assume just a stupid mistake when they were drilling out the rivets.
    Any suggestions for taking up the 30 thou. clearance as I haven't been able to find any rivets listed on net with .170 shanks.
    Source for oversized brass rivets, maybe?
    I have some tubing with an OD that is about right, but ID is too small for rivets.
    Hope it doesn't come to using epoxy as I would hate to be stuck with chiseling the lining out 10 years from now.
    Any ideas, don't worry about being too far out--I'll consider anything at this point.
    Thanks,
    Darryl
    Tags: None
  • #2
    Re: Oversized Rivet Holes

    You don't need to chisel it out. Use the right epoxy, and an appropriate amount of heat will make the linings fall out.

    I use bog-standard Araldite. Never looked back.

    Rob

    Comment

    • #3
      Re: Oversized Rivet Holes

      Might sound a little crazy (what else is new from me?) but how about getting a small brass bar, chucking it in a lathe and just making custom rivets? Shouldn't take but a few minutes with one of the little micro lathes the hobby guys have. They are great little tools for this kind of thing. I need to drag mine out again.
      If you go the E-Poxy route with heat be REALLY careful not to overheat the brake parts. Aluminum starts cooking around 200ยบ F! I wouldn't want to take the heat treat out. Anybody know the material it is made from? I have the books to tell what temperature is safe.
      Hank

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      • #4
        Re: Oversized Rivet Holes

        The heat treat ovens that I used to calibrate at work operated at 450F as I remember. Don't know what the Shinn or Firestone wheels are made of.

        Rob,
        Had me on the bog standard there for a few minutes, would wager is isn't in any of my dictionaries. Pretty funny. When you have time would you let me know which "common like a latrine" part number Araldite you use. Freeman Supplies in Ohio list 15 part numbers under Araldite epoxies.
        When I want something to really stick I use a Gray Mil-Spec. stuff from 3M that I got from the department at work that built antennas for the General Dynamics F111 aircraft. It is strong, flexible and tough, and my reason for the comment about using a chisel. Might get it out with a blow torch so it probably would be an unwise choice for the brakes. LOL.
        Darryl
        Last edited by flyguy; 01-01-2007, 19:40.

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        • #5
          Re: Oversized Rivet Holes

          Heat treat is a lot different from heating after the part is finished. When a part is at heat treat temperature it has very little strength and can warp or sag if not properly supported. I am can look it up if anyone is really interested but I seem to remember that alloys like 7075 can loose half their strength not much over 200ยบ F.
          Hank

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          • #6
            Re: Oversized Rivet Holes

            Guess it would be a good idea to actually find out what the wheels are made of while I'm fooling around with them. New thread time.
            DC

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            • #7
              Re: Oversized Rivet Holes

              Unless you have an approval to use the epoxy instead of the rivets, it is not a legal repair. You would be better off to relocate and drill new holes.

              Mike

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              • #8
                Re: Oversized Rivet Holes

                Either that or re-drill the holes to the next larger rivet.

                Comment

                • #9
                  Re: Oversized Rivet Holes

                  That is a real bring back from the dead file, Paul, LOL. I just replaced the wheel, thank you Kevin. End of problem. I painted the outside of the rims OSHA yellow. One guy flying formation with me said, "Man you sure can see those wheels." So I painted some of my other trim yellow. Fun.
                  At the time I didn't have much luck at finding larger diameter rivets that were appropriate for use with brake linings.
                  Darryl
                  Last edited by flyguy; 04-02-2008, 10:12.

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                  • #10
                    Re: Oversized Rivet Holes

                    They are not a typical brake rivet, I have only found them at skybound...Tim
                    N29787
                    '41 BC12-65

                    Comment

                    • #11
                      Re: Oversized Rivet Holes

                      Originally posted by flyguy View Post
                      . I painted the outside of the rims OSHA yellow. One guy flying formation with me said, "Man you sure can see those wheels." So I painted some of my other trim yellow. Fun.
                      l
                      Love that Yellow!

                      Thanks Uncle Frank..... http://en.wikipedia.org/wiki/Frank_W._Cyr

                      HT

                      Comment

                      • #12
                        Re: Oversized Rivet Holes

                        Originally posted by Robert Lees View Post
                        You don't need to chisel it out. Use the right epoxy, and an appropriate amount of heat will make the linings fall out.

                        I use bog-standard Araldite. Never looked back.

                        Rob
                        Thanks Rob Lees I was shopping....
                        Brad

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