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Re: Vintage rear drum alloy and manufacture method?

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  • hobot
    On 5/6/2013 9:19 AM, hpshooter@juno.com wrote: [Brit Iron list grab]
    Message 1 of 7 , May 7, 2013
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      On 5/6/2013 9:19 AM, hpshooter@... wrote: [Brit Iron list grab]
      >
      > In my 30 years in iron foundries we made many thousands of brake
      > rotors, both vented and solid for Ford and Chrysler and brake drums
      > from 10 inch diameter to 20 inch diameter for Cat, Mack and Bud
      > Wheel from good old class 30 gray iron. The 20 inch drums for Bud
      > Wheel had a pressed steel "top hat" cast in the center where the
      > mounting bolts and wheel studs went through the drum.
      >
      > Some rail roads still use a limited number of cast iron brake shoes on
      > older locos and cars, made them also.
      >
      > T W Hudson
      >
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