Josh Lynch on sun 23 may 99
I have 2 questions for ya'll out there.
I'm interested in local reduction with silicon carbide, but can't find
super-duper fine mesh anywhere. In a ceramics monthly article General
Color was suggested but their price is $50 per lb, plus $25 per pound
shipping. Maybe if I were to charge that much on shipping I could get
rich from pottery!!
And....
I just purchased a very very old electric kiln that has 4 on/off
switches to control temperature. It is rated at 24 amps. Someone gave
me a box with 2 h-m-l-off knobs and a sitter, which is rated at 32 amps
and about 1000 more watts (than my old one), and has 4 prongs on the
plug rather than 3. Now for my questions: What is the ramifications
of 4 prongs? I installed the sitter in the bottom peep -- is that OK?
More amps and watts -- is that OK too?
Thanks!
Josh in West Virginia, where published cone 6 glazes look a little
underdeveloped.
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Frank Simons on mon 24 may 99
Silicon carbide can usually be aquired through your local lapidary or rock
club. They use it for polishing rocks in tumbler things. It comes in mesh of
400,600 and 1000. Cost is $2.50 a pound
Frank Simons, Penticton, B.C.
-----Original Message-----
From: Josh Lynch
To: CLAYART@LSV.UKY.EDU
Date: May 23, 1999 9:06 AM
Subject: Silicon Carbide and a four pronged plug
----------------------------Original message----------------------------
I have 2 questions for ya'll out there.
I'm interested in local reduction with silicon carbide, but can't find
super-duper fine mesh anywhere. In a ceramics monthly article General
Color was suggested but their price is $50 per lb, plus $25 per pound
shipping. Maybe if I were to charge that much on shipping I could get
rich from pottery!!
And....
I just purchased a very very old electric kiln that has 4 on/off
switches to control temperature. It is rated at 24 amps. Someone gave
me a box with 2 h-m-l-off knobs and a sitter, which is rated at 32 amps
and about 1000 more watts (than my old one), and has 4 prongs on the
plug rather than 3. Now for my questions: What is the ramifications
of 4 prongs? I installed the sitter in the bottom peep -- is that OK?
More amps and watts -- is that OK too?
Thanks!
Josh in West Virginia, where published cone 6 glazes look a little
underdeveloped.
_____________________________________________________________
Do You Yahoo!?
Free instant messaging and more at http://messenger.yahoo.com
Bill Aycock on tue 25 may 99
Josh- answers interleaved below
At 12:06 PM 05/23/1999 EDT, you wrote:
>----------------------------Original message----------------------------
>I have 2 questions for ya'll out there.
>
>I'm interested in local reduction with silicon carbide, but can't find
>super-duper fine mesh anywhere. In a ceramics monthly article General
>Color was suggested but their price is $50 per lb, plus $25 per pound
>shipping.
For a sample- go to your local autoparts store and get some fine valve
grinding compound- its the same thing. The containers are small, though.
>And....
>I just purchased a very very old electric kiln that has 4 on/off
>switches to control temperature. It is rated at 24 amps. Someone gave
>me a box with 2 h-m-l-off knobs and a sitter, which is rated at 32 amps
>and about 1000 more watts (than my old one), and has 4 prongs on the
>plug rather than 3. Now for my questions: What is the ramifications
>of 4 prongs? I installed the sitter in the bottom peep -- is that OK?
>More amps and watts -- is that OK too?
This is really several questions- First- the safety matter- If the older
set-up had only on-off switches, the newer H-M-L will have to be wired very
carefully in order to work. In general use, the H-M-L switches select one
element- two in paralell, or two in series. The On-off type control the
individual elements separately. BE CAREFUL. GET EXPLICIT INSTRUCTIONS< or
Have it done professionaly
About the number of blades, or prongs, on the plug- there should be one
that is different, and longer- this is a safety ground prong. The other
three are refered to as two "hot" blades, and a neutral, but this is
missleading- ALL three are "hot". The voltage between one "hot" and the
neutral, should be 120 volts, the same between the other "hot" and the
neutral-- the voltage between the two "hot" blades should be 220 volts.
The ground is longer so it is the first to contact when being plugged in,
and the last in contact when you pull the plug-- it should NEVER be
switched- ie, anways connected, if the plug is in.
The amperage and wattage rating of a plug anf wire are only CAPABILITIES,
and do not set the level- that is done by the element resistance and the
voltage. If you dont change the elements or voltage- the drain is the same
as it was. However- the heavier wire and plug are safer.
Good luck- and please consult a local electrician, to be safe.
Bill- on Persimmon Hill
>Thanks!
>
>
>_____________________________________________________________
>Do You Yahoo!?
>Free instant messaging and more at http://messenger.yahoo.com
>
>
-
Bill Aycock --- Persimmon Hill
Woodville, Alabama, US 35776
(in the N.E. corner of the State)
W4BSG -- Grid EM64vr
baycock@HiWAAY.net
Erin Hayes on wed 26 may 99
Hi All!
My studio assistant also wanted to experiment with the local reduction
techniques in CM, and we found some pretty fine silicon carbide through Clay
Art Center in Tacoma. It was Silicon Carbide FFF, as I remember. You might
ring them up and ask: 1-800-952-8030.
I don't remember it being outrageously expensive, but then it might not be
as superfine as the one mentioned in the article.
Erin.
amy parker on wed 26 may 99
At 12:06 PM 5/23/99 EDT, you wrote:
>----------------------------Original message----------------------------
>I have 2 questions for ya'll out there.
>
>I'm interested in local reduction with silicon carbide, but can't find
>super-duper fine mesh anywhere. In a ceramics monthly article General
>Color was suggested but their price is $50 per lb, plus $25 per pound
>shipping. Maybe if I were to charge that much on shipping I could get
>rich from pottery!!
Are you SURE??? This sounds like a price for a BAG rather than a pound -
perhaps a bag of 50 or 100 lbs for this price??? Shipping for 100 lbs
could run $25 or so...
amy parker Lithonia, GA
amyp@sd-software.com
Josh Lynch on thu 27 may 99
--- amy parker wrote:
> ----------------------------Original
> message----------------------------
> At 12:06 PM 5/23/99 EDT, you wrote:
> >----------------------------Original
> message----------------------------
> >I have 2 questions for ya'll out there.
> >
> >I'm interested in local reduction with silicon
> carbide, but can't find
> >super-duper fine mesh anywhere. In a ceramics
> monthly article General
> >Color was suggested but their price is $50 per lb,
> plus $25 per pound
> >shipping. Maybe if I were to charge that much on
> shipping I could get
> >rich from pottery!!
>
> Are you SURE??? This sounds like a price for a BAG
> rather than a pound -
> perhaps a bag of 50 or 100 lbs for this price???
> Shipping for 100 lbs
> could run $25 or so...
> amy parker Lithonia, GA
> amyp@sd-software.com
shipping and handling for General Color and Chemical INc. under 15lbs
add $25.00, 15-50lbs add $1.00perlb.
This on top of thier "copper-red frit" marketing scheme is enough to
make me puke... or at least find some Silicon carbide elsewhere.
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Randall Moody on sat 29 may 99
> > >Color was suggested but their price is $50 per lb,
> > plus $25 per pound
> > >shipping. Maybe if I were to charge that much on
> > shipping I could get
> > >rich from pottery!!
> >
> > Are you SURE??? This sounds like a price for a BAG
> > rather than a pound -
> > perhaps a bag of 50 or 100 lbs for this price???
ART catalogue #26 has 100 mesh 50 lbs. for$175.00 ('Merican dollars). I
am sure you can find it cheaper and 50 pounds would probably go a l o n g
way!
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