Jump to content


Photo
- - - - -

Kiln set up questions


  • Please log in to reply
7 replies to this topic

#1 porcelainsculptor

porcelainsculptor

    Member

  • Members
  • PipPip
  • 22 posts

Posted 13 December 2012 - 12:11 PM

Hi, need some expert advice please! So I am ready to get the kiln set up and I have two questions.

I am having a cover built for it over a concrete pad - roof, no walls, and need to know how high it needs to be. This is the kiln, most likely it's Crucible:

Posted Image
Also how big of a gas tank should I get for it? Will 150 gallons be enough? Or should I get 250?

Thanks, this is my first kiln and I just want to make sure it is set up right!

#2 porcelainsculptor

porcelainsculptor

    Member

  • Members
  • PipPip
  • 22 posts

Posted 13 December 2012 - 03:52 PM

Well I went with a 150 gallon tank and eight foot roof! Hope that does the trick....

#3 Rakuken

Rakuken

    Advanced Member

  • Members
  • PipPipPip
  • 45 posts
  • LocationHawaii

Posted 13 December 2012 - 07:39 PM

Well I went with a 150 gallon tank and eight foot roof! Hope that does the trick....


My roof is corrugated metal. The height is 20 inches above the kiln with a fiber shield. When I fired with only one collar extension the distance from the top of the kiln to the roof was 30 inches without the fiber shield, I fired it that way for 8 years.

Attached Files



#4 porcelainsculptor

porcelainsculptor

    Member

  • Members
  • PipPip
  • 22 posts

Posted 13 December 2012 - 07:51 PM


Well I went with a 150 gallon tank and eight foot roof! Hope that does the trick....


My roof is corrugated metal. The height is 20 inches above the kiln with a fiber shield. When I fired with only one collar extension the distance from the top of the kiln to the roof was 30 inches without the fiber shield, I fired it that way for 8 years.


Thanks for the response. Do you think I need to get a fiber shield?

#5 Brian Reed

Brian Reed

    Advanced Member

  • Members
  • PipPipPip
  • 210 posts
  • LocationWashington State

Posted 13 December 2012 - 11:17 PM

I have the same kiln, although I have a small extender ring that makes it slighly larger. I fire it with two 100lb (25 gal) tanks plumbed in tandem and it works great. I build a hood out of galvanized steel to vent the heat instead. Make sure you put in a baffle shelf when you load it and know that the top shelf is going to be much cooler than the rest of the kiln. I fire ^10 reduction everytime now that I have it dialed in. Put two shelf pieces to block the vent hole as a damper with only about 2 inches open when you want to start reduction.



Good luck.
Brian Reed

Throwing down in Washington State

http://www.reedpottery.com

Northwest Clay Club

#6 porcelainsculptor

porcelainsculptor

    Member

  • Members
  • PipPip
  • 22 posts

Posted 14 December 2012 - 12:03 AM

I have the same kiln, although I have a small extender ring that makes it slighly larger. I fire it with two 100lb (25 gal) tanks plumbed in tandem and it works great. I build a hood out of galvanized steel to vent the heat instead. Make sure you put in a baffle shelf when you load it and know that the top shelf is going to be much cooler than the rest of the kiln. I fire ^10 reduction everytime now that I have it dialed in. Put two shelf pieces to block the vent hole as a damper with only about 2 inches open when you want to start reduction.



Good luck.


Thanks for the info Brian. I am beginning to realize how little I know about this and it is making me a bit nervous - can you recommend a book maybe?

#7 Brian Reed

Brian Reed

    Advanced Member

  • Members
  • PipPipPip
  • 210 posts
  • LocationWashington State

Posted 14 December 2012 - 11:33 AM

Unfortunately I do not know of any books, nor have any books on how to learn to fire a gas kiln. I had some advice from people I know and the two page instructions from Seattle Pottery Supply. the rest was trial and error over a course of firing.



Good luck and keep practicing.
Brian Reed

Throwing down in Washington State

http://www.reedpottery.com

Northwest Clay Club

#8 justanassembler

justanassembler

  • Members
  • PipPipPip
  • 248 posts
  • LocationBaton Rouge, LA

Posted 14 December 2012 - 12:54 PM

Nils Lou's book, The Art of Firing has some good information in it, if I recall correctly.




0 user(s) are reading this topic

0 members, 0 guests, 0 anonymous users