Arnold Howard on wed 2 jul 08
This week students at MIT built a 12-foot solar-powered dish
that gets hot enough to melt a bar of steel. Maybe one day
this idea could be applied to kilns.
http://web.mit.edu/newsoffice/2008/solar-dish-0618.html
Sincerely,
Arnold Howard
Paragon Industries, L.P., Mesquite, Texas USA
ahoward@paragonweb.com / www.paragonweb.com
gary navarre on wed 2 jul 08
I saw an article in Ceramics Monthly(?) many years ago of an international clay gathering, might have been an early World Crafts Counsel thing, wherein they made a dish to cook one piece to see if it would work. It just isn't practical for 350 pieces and I'm not waiting on industry to figure it out, I've got a wood burner to finish building!
Gary Navarre
Navarre Pottery
Navarre Enterprises
Norway, Michigan, USA
http://www.youtube.com/GindaUP
http://public.fotki.com/GindaUP/
--- On Wed, 7/2/08, Arnold Howard wrote:
> From: Arnold Howard
> Subject: Solar power firing
> To: CLAYART@LSV.CERAMICS.ORG
> Date: Wednesday, July 2, 2008, 8:36 AM
> This week students at MIT built a 12-foot solar-powered dish
> that gets hot enough to melt a bar of steel. Maybe one day
> this idea could be applied to kilns.
>
> http://web.mit.edu/newsoffice/2008/solar-dish-0618.html
>
> Sincerely,
>
> Arnold Howard
> Paragon Industries, L.P., Mesquite, Texas USA
> ahoward@paragonweb.com / www.paragonweb.com
Hank Murrow on wed 2 jul 08
On Jul 2, 2008, at 6:36 AM, Arnold Howard wrote:
> This week students at MIT built a 12-foot solar-powered dish
> that gets hot enough to melt a bar of steel. Maybe one day
> this idea could be applied to kilns.
>
> http://web.mit.edu/newsoffice/2008/solar-dish-0618.html
Dear Howard;
The Boeing Corp. has had a 15' diameter heliostat housed in a tedlar
bubble that will produce enough BTU to fire a fiberkiln of a cubic
meter or so. the trick is to focus the light onto a mirror under the
kiln which sends the light to an absorber(think SiC disc around 1'
diameter), which radiates to the kiln and its contents. My calcs
suggest that, barring clouds, one could fire off in 12 hours, using a
drip feed of light oil for reduction. Boeing thought that in
production the dish/bubble might sell for $2500. Kept inflated with
solar cells and a battery.
Cheers, Hank
Joseph Herbert on wed 2 jul 08
I think the one pictured here:
http://www.sandia.gov/Renewable_Energy/solarthermal/NSTTF/index2.htm
goes to 6000 degrees. Having your kiln on top of a tower is a little
inconvenient. If you sit on the left side of the airplane going into
Albuquerque, you can sometimes see this.
Joe
-----Original Message-----
From: Clayart [mailto:CLAYART@LSV.CERAMICS.ORG]On Behalf Of Arnold
Howard
Sent: Wednesday, July 02, 2008 7:36 AM
To: CLAYART@LSV.CERAMICS.ORG
Subject: Solar power firing
This week students at MIT built a 12-foot solar-powered dish
that gets hot enough to melt a bar of steel. Maybe one day
this idea could be applied to kilns.
http://web.mit.edu/newsoffice/2008/solar-dish-0618.html
Sincerely,
Arnold Howard
Paragon Industries, L.P., Mesquite, Texas USA
ahoward@paragonweb.com / www.paragonweb.com
No virus found in this incoming message.
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Earl Krueger on wed 2 jul 08
How big a solar collector would I need to fire my kiln?
In my vicinity in July I can get about 5 Killowat-hours
per square meter per day of solar radiation. Assuming
a 7 cu. ft. electric kiln consumes 15 Kilowatts of power
on high and you can fire the kiln in 10 hours then I would
need a reflector at least as big as:
15 Kw X 10 Hours = 150 Kw-hrs
150 Kw-hrs / 5 Kw-hrs/sq m = 30 sq m
or 5 m X 6 m
or 16 ft X 20 ft.
or thereabouts.
Plus a few other technicalities to overcome.
Earl...
Elmira, OR, usa
liz gowen on thu 3 jul 08
OK you guys are talking about one way to fire directly with solar. I had =
a
5.4 KW system put on my house attached to the grid. I save about 100.00 =
per
month on my electric bill so I am in essence firing with solar power. I
produce power when the sun is shining it sends it to the grid I get =
credit (
my meter turns backwards) and when I want to use it I can. We had a good
sytem with our utility her they matched my investment 100%. And speaking =
of
investments I'd say this is doing better than my stuff on the stock
exchange. The other thing with the panels is every time I produce 1000 =
Kw of
power I generate 1 rec , renwable energy credit, that can be sold to
companies that are required to have renuable sources. I generate about 1
every 2 months they sell for about 200.00+ at present. See my blog and I
will try to put up some pictures of the system, may take a few daymy =
brother
just moved to Delaware after 15 years in Colorado so helping him get
settled. Liz Gowen delawareriverpottery.com =20
Shula on thu 3 jul 08
Gees,
I would sign up for a solar powered kiln (although I would want a kiln larger than 1 cu ft). Living in the desert, I get 360 days of sun a year - at least that's what I've heard Palm Springs gets and Palm Springs is just south of me - on the more expensive side of I10!
Shula
Desert Hot Springs, California USA
-----Original Message-----
>From: Hank Murrow
>Sent: Jul 2, 2008 12:28 PM
>To: CLAYART@LSV.CERAMICS.ORG
>Subject: Re: Solar power firing
>
>On Jul 2, 2008, at 6:36 AM, Arnold Howard wrote:
>
>> This week students at MIT built a 12-foot solar-powered dish
>> that gets hot enough to melt a bar of steel. Maybe one day
>> this idea could be applied to kilns.
>>
>> http://web.mit.edu/newsoffice/2008/solar-dish-0618.html
>
>Dear Howard;
>
>The Boeing Corp. has had a 15' diameter heliostat housed in a tedlar
>bubble that will produce enough BTU to fire a fiberkiln of a cubic
>meter or so. the trick is to focus the light onto a mirror under the
>kiln which sends the light to an absorber(think SiC disc around 1'
>diameter), which radiates to the kiln and its contents. My calcs
>suggest that, barring clouds, one could fire off in 12 hours, using a
>drip feed of light oil for reduction. Boeing thought that in
>production the dish/bubble might sell for $2500. Kept inflated with
>solar cells and a battery.
>
>Cheers, Hank
steve graber on fri 4 jul 08
i'm doing similar, been on solar power for 2 years.=A0 except in=A0our stat=
e i don't think we have the renewable credit thing going on via home instal=
led solar.=A0 =0Ai paid no electric bills for most of the past 2 years.=A0 =
except last month i paid $0.66 for electric.=A0 i think i turned the atic f=
an on too soon or something...=A0 in the winter when it gets cold we just l=
eave the lights on...=0Ameanwhile it's an intriguing question to build a fu=
nctional solar kiln.=A0 direct from the sun's rays.=A0 that would be a fun =
little project!=A0 gotta add that to the list of projects...=0Asee ya=0A=A0=
Steve Graber, Graber's Pottery, Inc=0AClaremont, California USA=0AThe Steve=
Tool - for awesum texture on pots! =0Awww.graberspottery.com steve@grabers=
pottery.com=0A=0A=0A=0A----- Original Message ----=0AFrom: liz gowen en@VERIZON.NET>=0ATo: CLAYART@LSV.CERAMICS.ORG=0ASent: Thursday, July 3, 20=
08 9:30:17 AM=0ASubject: Re: Solar power firing=0A=0AOK you guys are talkin=
g about one way to fire directly with solar. I had a=0A5.4 KW system put on=
my house attached to the grid. I save about 100.00 per=0Amonth on my elect=
ric bill so I am in essence firing with solar power. I=0Aproduce power when=
the sun is shining it sends it to the grid I get credit (=0Amy meter turns=
backwards) and when I want to use it I can. We had a good=0Asytem with our=
utility her they matched my investment 100%. And speaking of=0Ainvestments=
I'd say this is doing better than my stuff on the stock=0Aexchange. The ot=
her thing with the panels is every time I produce 1000 Kw of=0Apower I gene=
rate 1 rec , renwable energy credit, that can be sold to=0Acompanies that a=
re required to have renuable sources. I generate about 1=0Aevery 2 months t=
hey sell for about 200.00+ at present. See my blog and I=0Awill try to put =
up some pictures of the system, may take a few daymy brother=0Ajust moved t=
o Delaware after 15 years in Colorado so helping him get=0Asettled. Liz Gow=
en=A0 =A0 delawareriverpottery.com=A0 =0A=0A=0A=0A
William & Susan Schran User on sat 5 jul 08
On 7/4/08 8:21 PM, "steve graber" wrote:
> meanwhile it's an intriguing question to build a functional solar kiln.=A0
> direct from the sun's rays.=A0 that would be a fun little project!=A0 gotta a=
dd
> that to the list of projects...
Found some interesting sites dealing with this subject:
http://chuck-wright.com/projects/solar_kiln.html
This one's not specifically for kilns, but...
http://solarcooking.org/
Not necessarily solar, but ceramic tiles without firing!
http://www.treehugger.com/files/2005/01/qa_ceramics_wit_1.php
Back issue of Studio Potter, Volume 3, Number 1
December, 1974 Limited - $20
Has article on solar powered kiln.
Bill
--=20
William "Bill" Schran
wschran@cox.net
wschran@nvcc.edu
http://www.creativecreekartisans.com
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