[TheForge] Mineral Wool

[Jerry Smith]

Mickey,

Somthing like that. I have been a diversified art
studio for a few years, but now with lots of land,
this can make many people dreams of being an artist
come true. I just have to figure out how to get the
materials to build these things facilities with.

Jerry

--- Kathy <keporter at comcast.net> wrote:

> Jerry,
> Do I hear the term Multi-hole rumbling around in
> your mind?  :-)
> Mikey 
> 
> -----Original Message-----
> From: theforge-bounces at mailman.qth.net
> [mailto:theforge-bounces at mailman.qth.net]
> On Behalf Of Jerry Smith
> Sent: Thursday, May 24, 2007 6:07 PM
> To: Sponsored by ABANA
> Subject: RE: [TheForge] Mineral Wool
> 
> Mikey,
> 
> I have a digital thermometer. I am a member of the
> casting hobby group. But I plan on using part of
> this
> material and knowledge for my new apprentice to work
> with her glass blowing and also give me a small
> foundry to play with.
> 
> Jerry
> 
> --- Kathy <keporter at comcast.net> wrote:
> 
> > Jerry,
> > The problem does not come in measuring internal
> > temperatures, but in comparing
> > apples and oranges. The temperature in one forge,
> no
> > matter how scientifically
> > gathered, simply won't apply in the next man's
> > forge.
> > 
> > For about six months I answered one challenge
> after
> > another from people who
> > insisted they had built my burner designs "exactly
> > according to directions" and
> > "completely by the book." It was quite an
> education.
> > Finally, I told the last
> > naysayer that I would fix his burner for free,
> just
> > like all the others--but I
> > would also post what I found out about it on
> > Castinghobby (the Yahoo newsgroup
> > where I was being constantly challenged after Gas
> > Burners was published). He
> > decided that he didn't want anything to do with
> the
> > "freebee" on those terms,
> > and the river of people who kept insisting they
> had
> > built their burners "exactly
> > according to specifications" suddenly dried up.
> > 
> > Burners are only one part of the heating system we
> > call forges. Point taken?
> > Mikey
> > 
> > -----Original Message-----
> > From: theforge-bounces at mailman.qth.net
> > [mailto:theforge-bounces at mailman.qth.net]
> > On Behalf Of Jerry Smith
> > Sent: Thursday, May 24, 2007 2:08 PM
> > To: Sponsored by ABANA
> > Subject: RE: [TheForge] Mineral Wool
> > 
> > I have adigital meter that can go above 2200
> degrees
> > and the I have access to a pyrometer that can go
> up
> > to
> > 2700 degree, that is F not C
> > 
> > Jerry
> > 
> > --- Jeffrey Polaski <jeff.polaski at rgs.uci.edu>
> > wrote:
> > 
> > > >Any comment more than an anecdotal example is
> not
> > > going to be
> > > practical,
> > > >considering all the variables, including but
> not
> > > limited to:
> > > >Forge design and size
> > > >Insulating products used
> > > >Burner design, construction methods, & size
> used
> > > >And finally gas input pressure employed.
> > > Not to be difficult, but it's still be useful if
> > > five or so people could
> > > give a temperature and conditions report. It
> could
> > > be that
> > > ITC-100/Plistix raises the measured temp by, say
> > 10%
> > > - 20%, without
> > > regard to the exact design of the forge. Most of
> > the
> > > time people can
> > > estimate how much propane per hour their forge
> is
> > > using, etc... I don't
> > > think that anyone is looking for absolute
> > scientific
> > > proof, just that
> > > it's a reasonable bet. 
> > > 
> > > I'd love to make some measurements myself, but I
> > > don't have any way to
> > > accurately measure temperature above 700 degrees
> > or
> > > so.
> > > 
> > > 
> > > 
> > > 
> > > Jeff Polaski
> > > 
> > > -----Original Message-----
> > > From: theforge-bounces at mailman.qth.net
> > > [mailto:theforge-bounces at mailman.qth.net] On
> > Behalf
> > > Of Kathy
> > > Sent: Thursday, May 24, 2007 12:11 PM
> > > To: 'Sponsored by ABANA'
> > > Subject: RE: [TheForge] Mineral Wool
> > > 
> > > Steve Writes:
> > > "I do wish someone would measure before and
> after
> > > with ITC100. So far, 
> > > all I've heard is anecdotal "it was hotter"."
> > > 
> > > Any comment more than an anecdotal example is
> not
> > > going to be practical,
> > > considering all the variables, including but not
> > > limited to:
> > > Forge design and size
> > > Insulating products used
> > > Burner design, construction methods, & size used
> > > And finally gas input pressure employed.
> > > 
> > > Typical improvements, all other factors being
> > equal
> > > are:
> > > >From red to red-orange heat as seen inside
> forge
> > > >From red-orange to pumpkin orange
> > > >From pumpkin to orange-yellow
> > > >From orange-yellow to lemon-yellow
> > > 
> > > With water separation to create colloidal
> zirconia
> > > before application of
> > > reflective layer; a forge capable of going to
> > lemon
> > > yellow will then
> > > reach
> > > yellow-white. If a really hot burner design is
> > then
> > > turned up, the forge
> > > interior turns almost pure white, and its
> ceramic
> > > blanket will suffer
> > > immediate
> > > damage. If yellow-white heat is maintained for
> > more
> > > than a few minuets
> > > the
> > > blanket will suffer the same amount of damage.
> > > 
> > > What damage? Large chunks of the coated ceramic
> > > blanket will peel away
> > > from the
> > > insulation and will be blown out the exhaust or
> > > found on the forge floor
> > > upon
> > > cool down; this is caused by shrinkage of the
> > > underlying blanket below
> > > the
> > > coating layer. Even rigidizing will only delay
> > such
> > > damage should a
> > > forge is
> > > taken to heats over those the ceramic blanket is
> > > rated for.
> > > Mikey   
> > > 
> > > 
> > > -----Original Message-----
> > > From: theforge-bounces at mailman.qth.net
> > > [mailto:theforge-bounces at mailman.qth.net]
> > > On Behalf Of Steven Smith
> > > Sent: Thursday, May 24, 2007 7:10 AM
> 
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