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38333Re: PetroBond Bentone 34/ now furnace

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  • Daniel C Postellon
    Jan 3, 2008
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      I did something similar. Charcoal is easier and cheaper to start, messier
      and slower later on. Its a good way to try out casting to see if you want
      to continue.
      > Hello, I made my first furnace so that it could use charcoal...just
      > blow air into it...or it can use a burner. I built it from a helium
      > cannister...the kind used for birthday parties.
      >
      > Here is a link that has my furnace parts before I installed the
      > refractory. the burner shown here is a Ron Reil type, not the Porter
      > style.
      >
      > The nice thing about starting out using charcoal is that you can
      > get started very quick. ..you just need a crucible, furnace, and
      > blower. For a blower, some people use a hair dryer...I used a vacuum
      > cleaner. You really don't need too much air though. The ash can form
      > a layer on top of your melt that protects the melt from oxidizing too.
      > Just use a stainless steel spoon to skim it off with the other dross
      > before you pour. It is possible to melt even just piling some fire
      > bricks in a circle with an opening for air inlet...for aluminum
      > anyways, It would probably be harder for bronze because of the higher
      > melt temps..
      >
      > The nice thing about propane is that it is quicker to start and not
      > as messy. Of course you need to build or buy a burner.
      >
      > Sorry if this is too much of a ramble...I covered a lot of topics!
      >
      > Here is a link to a page with some popular books:
      > <http://metalshop.homestead.com/books.html>
      >
      > David Gingery has a charcoal foundry book here...Mike Porter has a
      > burner book here too which also has good ideas for forges and
      > furnaces...his burners are naturally aspirated...meaning you don't
      > need a blower motor/ AC to melt which is nice.
      >
      > Dave Drescher
      > http://metalshop.homestead.com/question.html
      >
      >
      > -- In hobbicast@yahoogroups.com, "Dave" <dcorb@...> wrote:
      >>
      >> Any recommendations on a design?
      >>
      >> Is a charcoal one practical or should go start with gas?
      >>
      >> --- In hobbicast@yahoogroups.com, "Lyle" <creepinogie@> wrote:
      >> >
      >> > The furnace is the easy part.
      >> > LL
      >> >
      >> > --- In hobbicast@yahoogroups.com, "Dave" <dcorb@> wrote:
      >> > >
      >> > > Nothing for me yet, my plan is Aluminum. Really like to attempt
      >> > > making the Gingery Mill. Now I just have to determine how to make
      >> > my
      >> > > first foundry/furnace.
      >> > >
      >> > > Dave
      >> > >
      >> > >
      >> > > --- In hobbicast@yahoogroups.com, "Lyle" <creepinogie@> wrote:
      >> > > >
      >> > > > Aluminum, Brass, Bronze, and Iron.
      >> > > > LL
      >> > > >
      >>
      >
      >
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