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again catenary arch question

updated tue 27 apr 04

 

Claudia I Franco on mon 26 apr 04


I am in the process of building a catenary arch kiln. I more or less have
all the information i need, but a few questions still arise.
1. I am building it up on concrete blocks (to avoid stooping down much),
and need to know how many rows of refractory brick must go on top of the
blocks so that the blocks dont take much heat?? Any floor pointers
appreciated.

2. Has anyone bought the plans from http://www.r2d2u.com for building a
kiln, and have they been helpful??

Any tips appreciated.
CLaudia