Re: Vintage rear drum alloy and manufacture method?
- 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