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Re: casting aluminum spheres (balls)

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  • ebutler4895
    I have cast lead in Christmas tree balls but aluminum is about twice as hot as lead.
    Message 1 of 19 , Dec 29, 2012
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      I have cast lead in Christmas tree balls but aluminum is about twice as hot as lead.

      --- In hobbicast@yahoogroups.com, postello@... wrote:
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      >
      >
      >  http://www.flickr.com/photos/11159069@N00/7156693149/%c2%a0 more just before and just after vthis on flickr
      >
      > Without deviation from the norm, 'progress' is not possible. _ Frank Vincent Zappa Quoting Ron Thompson <ron@...>:
      >
      > > On 12/25/2012 7:58 AM, Ron Vos wrote:
      > >> Thanks for all your input! I guess I did not phrase my question
      > >> precisely... I was thinking of using the glass christmas ball as the
      > >> actual form, pouring the aluminum INTO the ball. Would the glass hold
      > >> up the the temperature of melted aluminum?
      > > I seriously doubt it, though I have never tried it. I would expect the
      > > thermal shock to burst the thin glass ornament.
      > >
      > > However, you could try it and possibly prove me wrong. Hobbies are all
      > > about experimenting and pushing the envelope.
      > >
      > > Good luck and please keep us informed.
      > >
      > > --
      > >
      > >
      > > Ron Thompson
      > > On the Beautiful Florida Space Coast, right beside the Kennedy Space
      > > Center, USA
      > >
      > > Think, Draw, Print. 3D printers ROCK!
      > >
      > > http://www.plansandprojects.com/My%20Machines/PrusaMendel2012-1/
      > >
      > > http://www.plansandprojects.com My hobby pages are here:
      > > http://www.plansandprojects.com/My%20Machines/
      > >
      > > Visit the castinghobby FAQ:
      > > http://castinghobbyfaq.bareboogerhost.com/
      > >
      > >
      > >
      > >
      > >
      > >
      > >
      >
      > [Non-text portions of this message have been removed]
      >
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