Ed Brownlee on fri 30 may 97
I've been asked to redo our raku kiln. We have no weather protection
an ample natural gas supply - there are 3 other kilns on the line
The kiln im thinking about including fire box is about 9 cu. ft.
If i hooked up 2 venturis, i should be able to get to raku temp PDQ,
Does anyone out there have a similar system or any other input?
I know propane w venturis work well, but i am wondering about the gas
pressure which i would think is at least, or a little above average of
Any info would be helpful.
WardBurner@aol.com on sat 31 may 97
2 burners might work fine, then again maybe not....We need more info from
you. What is the kiln made of? There's a HUGE difference between hard brick
and fiber. What is the BTU output of the burners? If you're unsure of the
burners, give me a call.
The input figures I use for Raku (15-20 minutes first firing) are:
1" fiber - 25,000 BTU per cubic ft
2" " 20,000 BTU c/f
4.5" soft brick - 30,000 BTU's c/f
4.5" hard brick - 70,000 BTU's c/f
Ward Burner Systems
PO Box 333
Dandridge, TN 37725