Continuing the Wood Stability Discussion
Barbara Gill, Remlik Virginia
>I rarely have a roughed out bowl crack and so far I never have had a finished bowl crack. I am not sure why but I think it is because of the way they dry. I follow the rule about 1" of wall thickness/10" of diameter. Unless the bowl is boiled (reserved for burl) I paint the end grain with Anchor Seal inside and out. I also paint the rim all the way around. I wrap the bowl in a brown grocery bag and then it goes on a shelf for 9 months or longer. I think that the main reason the roughed out bowls don't crack is that the drying is slow and the humidity for the most part stays high. My shop is not heated except when I am turning. It is never air conditioned.
When a piece is finished and buffed I bring it home and either look at it or put it on a shelf until i am sure it isn't going to crack or grossly distort. So far neither has happened even when the piece is exposed to the low humidity of our house.