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Cleaning Aluminum

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  • Cleaning Aluminum

    I am in the process of rebuilding a tri-band Yagi antenna for my Ham Radio setup. It was built wit zinc (or Cad?) plated hardware and over the years the plating disappeared and now the stamped aluminum boom-to-element plates are covered with rust stains. Other than using a stainless wire wheel or bead blasting any one have any good ideas on how to clean these parts up?? Tnx on advance
    Craig
    N1ABY

  • #2
    Vinegar or CLR and Scotchbrite maybe?
    Location: North Central Texas

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    • #3
      It depends how much effort you want to put in. If I were rebuilding it I would strip the aluminum parts down in a lye bath and then re-anodize them. Replace the hardware with stainless steel.
      Free software for calculating bolt circles and similar: Click Here

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      • #4
        You can buy aluminum "wheel brightener" at some parts stores. You are supposed to spray it on and then wash it off. I think it is a weak acid. It will also take off rust.

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        • #5
          Thanks to all. CLR and a "Welder's Toothbrush" cleaned them up almost good as new. Now all I have to do is put it all back together.....
          Craig

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