[TheForge] Gas Forge Plans - a question
Grover Richardson
grover.richardson at gtri.gatech.edu
Thu Jan 5 10:22:46 EST 2006
Thanks.
Though I am not usually as regimented as stated here, this is my general
practice. Will do better in the future<G>.
>*>-----Original Message-----
>*>From: theforge-bounces at mailman.qth.net
>*>[mailto:theforge-bounces at mailman.qth.net] On Behalf Of Bruce Freeman
>*>Sent: Thursday, January 05, 2006 9:33 AM
>*>To: theforge at mailman.qth.net
>*>Subject: RE: [TheForge] Gas Forge Plans - a question
>*>
>*>
>*>Spalling is usually caused by volatile components in the
>*>brick. Get these hot enough and they explode into vapor.
>*>
>*>The classic volatile componet is water, but carbonate (i.e.,
>*>portland cement) is another.
>*>
>*>Dry your bricks, firebricks, castable refractory, etc.,
>*>etc., THOROUGHLY before firing your forge to forging heat.
>*>One way to do this is by building a wood fire inside the
>*>forge, but if you can control your propane burner at a low
>*>heat, that works too.
>*>
>*>The suggestion I've heard is to bring the forge to a dull
>*>red heat - SLOWLY. I doubt that temperature is really
>*>necessary. For drying chemicals, we typically hold them at
>*>something over 212 F (100 C) for a few hours. Note that if
>*>your bricks are outside the forge, they will not reach the
>*>temperature of the forge interior. Hence, you could dry
>*>your bricks in a kitchen oven - but an outdoor wood fire
>*>would be more advisable.
>*>
>*>Bruce
>*>NJ
>*>
>*>
>*>
>*>>>> crimsonkil at lycos.com 1/4/2006 9:43:21 PM >>>
>*>It actually tends to spall; little chucks come frisbeeing
>*>out of the fire.
>*>
>*>-Chris K.
>*>
>*>----- Original Message -----
>*>From: "Alix Peshette" <apeshet at sbcglobal.net>
>*>To: "'Sponsored by ABANA'" <theforge at mailman.qth.net>
>*>Subject: RE: [TheForge] Gas Forge Plans - a question
>*>Date: Wed, 4 Jan 2006 17:41:41 -0800
>*>
>*>>
>*>> I thought that regular red house brick had a propensity to explode
>*>> when subjected to great heat!
>*>>
>*>> -Alix
>*>>
>*>> -----Original Message-----
>*>> From: theforge-bounces at mailman.qth.net
>*>> [mailto:theforge-bounces at mailman.qth.net] On Behalf Of
>*>Grover Richardson
>*>> Sent: Wednesday, January 04, 2006 7:47 AM
>*>> To: 'Sponsored by ABANA'
>*>> Subject: RE: [TheForge] Gas Forge Plans - a question
>*>>
>*>>
>*>> Yes, I understand this concept. I use regular Home Depot
>*>red house
>*>> brick on my forge. Easier to find, and as you said cheap.
>*> They break
>*>> about as often as the fire brick that I have used (mine
>*>break in the
>*>> trailer during transportation between sites), and are easier to
>*>> find<G>. However, there are those out there that wish to
>*>only build
>*>> the best and most impressive (not name calling or throwing
>*>mud, just
>*>> stating the obvious to continue this thought in a lucid
>*>manner<G>).
>*>> For them, (and the professionals who may wish to minimize mess and
>*>> fuss, why buy 10 brick, go to the store 3 times, and waste time
>*>> putting them back in
>*>> place) the "correct" fire brick is the only one<G>.
>*>>
>*>> All the Best
>*>>
>*>> > *>-----Original Message-----
>*>> > *>From: theforge-bounces at mailman.qth.net
>*>> > *>[mailto:theforge-bounces at mailman.qth.net] On Behalf Of
>*>Bruce Freeman
>*>> > *>Sent: Wednesday, January 04, 2006 10:30 AM
>*>> > *>To: theforge at mailman.qth.net
>*>> > *>Subject: RE: [TheForge] Gas Forge Plans - a question
>*>> > *>
>*>> > *>
>*>> > *>It's true that the standard firebricks won't really stand up
>*>> > *>to forge temperatures for long. But they're dirt cheap. If
>*>> > *>they swell or crack, replace them. It isn't really a big
>*>> > *>deal. Bruce *>NJ
>*>> > *>
>*>> > *>>>> grover.richardson at gtri.gatech.edu 1/3/2006 2:24:49 PM >>>
>*>> > *>Many of the "fire brick" that I see around are only designed
>*>> > *>for fireplace usage. "Fire brick" is like saying chocolate
>*>> > *>or wrought iron<G>. Yes. Be aware of what product you are
>*>> > *>purchasing. Ask the sales company for information.
>*>> > *>
>*>> > *>Good quick info is from mcmaster.com Do a search on "fire
>*>> > *>brick." It will turn up refractory firebricks and turn up a
>*>> > *>page on the right hand side of the screen. Scroll down.
>*>> > *>Good descriptions. Also cement.
>*>> > *>
>*>> > *>>*>-----Original Message-----
>*>> > *>>*>From: theforge-bounces at mailman.qth.net
>*>> > *>>*>[mailto:theforge-bounces at mailman.qth.net] On Behalf
>*>Of *>Larry Zoeller
>*>> > *>>*>Sent: Tuesday, January 03, 2006 1:58 PM
>*>> > *>>*>To: Sponsored by ABANA
>*>> > *>>*>Subject: RE: [TheForge] Gas Forge Plans - a question
>*>> > *>>*>
>*>> > *>>*>
>*>> > *>>*>Bruce,
>*>> > *>>*>I will have to disagree about what you are calling a Heavy
>*>> > *>>*>Duty firebrick. *>>*>The place that I purchase my
>*>firebricks
>*>> > from have lots of *>>*>different kinds of firebricks that they
>*>> > sell. They are rated *>>*>by the composition of the brick (
>*>> > percentage of Alumina ) *>>*>and temperature rating. The cheap
>*>> > common firebricks are *>>*>rated for only 900 to 1500 degrees,
>*>> > depending on where you *>>*>purchase them from. The firebricks
>*>> > that I recommended are *>>*>called Heavy Duty 42% Alumina
>*>> > composition and rated for 3000 *>>*>degrees. I am sure
>*>that some
>*>> > place call there firebricks *>>*>heavy duty, but the important
>*>> > thing is brick composition and *>>*>temperature rating.
>*>> > *>>*>
>*>> > *>>*>Thanks,
>*>> > *>>*>Larry Zoeller
>*>> > *>>*>4312 Lahnna Dr.
>*>> > *>>*>Louisville, KY 40216
>*>> > *>>*>zman59 at earthlink.net
>*>*>>*>http://www.geocities.com/zoellerforge/ *>>*>
>*>> > *>>*>
>*>> > *>>*>> [Original Message]
>*>> > *>>*>> From: Bruce Freeman <FREEMAB at pt.fdah.com>
>*>> > *>>*>> To: <theforge at mailman.qth.net>
>*>> > *>>*>> Date: 1/3/2006 9:18:09 AM
>*>> > *>>*>> Subject: RE: [TheForge] Gas Forge Plans - a question
>*>> > *>>*>>
>*>> > *>>*>> Alix,
>*>> > *>>*>> If I may field that question from my own experience:
>*>> > *>>*>> "heavy duty" firebrick is the ordinary stuff you can pick
>*>> > *>>*>up for <$1 *>>*>> per
>*>> > *>>*>brick at any masonry supply yard. *>>*>> However,
>*>I suggest
>*>> > you look into getting the light *>weight firebrick
>*>> > *>>*>instead. It's a lot more expensive and a lot less durable,
>*>> > *>>*>but provides much better insulation. *>>*>> Don't delay
>*>> > building your forge on that account, however. *>>*>Go with the
>*>> > *>>*>cheap and available...
>*>> > *>>*>> Bruce
>*>> > *>>*>> NJ
>*>> > *>>*>>
>*>> > *>>*>> >>> apeshet at sbcglobal.net 12/29/2005 1:15:42 PM >>>
>*>> > *>>*>> Hi Larry,
>*>> > *>>*>> Many thanks for the wonderfully simple gas forge
>*>plans. I
>*>> > *>>*>feel like *>>*>> this is something I can tackle on my own.
>*>> > I've started *>>*>searching for *>>*>> the components, like the
>*>> > durablanket and fire brick. A *>>*>question: You *>>*>>
>*>> > specified heavy duty fire brick. Is that it's name or just a
>*>> > *>>*>> description? Do you know the temperature range
>*>for *>that
>*>> > level of *>>*>> brick?
>*>> > *>>*>>
>*>> > *>>*>> Here's a website where I am looking for fire brick info:
>*>> > *>>*>> http://www.armilcfs.com/pages/firebrick.htm *>>*>>
>*>> > *>>*>> Thanks,
>*>> > *>>*>> Alix in Sacramento
>*>> > *>>*>>
>*>> > *>>*>> -----Original Message-----
>*>> > *>>*>> From: theforge-bounces at mailman.qth.net *>>*>>
>*>> > [mailto:theforge-bounces at mailman.qth.net] On Behalf Of
>*>*>>*>Larry
>*>> > Zoeller
>*>> > *>>*>> Sent: Wednesday, December 28, 2005 6:36 PM
>*>> > *>>*>> To: theforge
>*>> > *>>*>> Subject: [TheForge] Gas Forge Plans
>*>> > *>>*>>
>*>> > *>>*>>
>*>> > *>>*>>
>*>> > *>>*>> To All,
>*>> > *>>*>> I just posted some online plans to build an atmospheric
>*>> > *>>*>gas forge,that *>>*>> it is a really easy to build
>*>forge. I
>*>> > would really *>>*>appreciate it if *>>*>> you could look at the
>*>> > plans and tell me what you think. *> I would *>>*>> welcome any
>*>> > feedback about them. The URL is *>>*>>
>*>> > http://www.geocities.com/zoellerforge/simplegasforge.html *>>*>>
>*>> > *>>*>> Thanks in advance,
>*>> > *>>*>> Larry Zoeller
>*>> > *>>*>> 4312 Lahnna Dr.
>*>> > *>>*>> Louisville, KY 40216
>*>> > *>>*>> zman59 at earthlink.net *>>*>>
>*>> > http://www.geocities.com/zoellerforge/ *>>*>>
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>*>
>*>
>*>
>*>It is I who formed the blacksmith,
>*>who fans the flame into a fire and
>*>fashions a weapon fit for it's work.
>*>
>*>
>*>--
>*>_______________________________________________
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