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Reply by Wildwood

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Posted on I need some crack advice

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Wildwood

2906 posts in 3048 days


#1 posted 12-11-2018 04:30 PM

Think wood in those first pictures already had those defects before he started turning. So kiln would not save items pictured. Part of turning burls is living with what you get!

Simple homemade kilns with light bulb, fan for air circulation all you need. Have seen cardboard boxes, beer coolers, old appliances, with fan & light bulbs speed up drying process for rough turned bowls, vases, & hollow forms. Drying times could be as little as one month or more.

Simple to understand if know moisture leaves wood thru evaporation! Increasing air circulation with moderate constant temperature allow rough turned items to dry enough to finish turn. Not a couple day process!

We had a member here build a super kiln with high temperature lamps and cooked the wood bowls attempting to dry it. So he filled those cracks with turquoise people looked but didn’t buy his bowls.

Drying wood more art, luck, than science! Appropriate chapters in this reference will help you understand drying wood better.

https://www.fpl.fs.fed.us/products/publications/several_pubs.php?grouping_id=100&header_id=p

If going to harvest your own wood for turning couple different approaches.

http://customwooddesign.com/turninggreenwood-1.html

http://honoluluwoodturners.org/16_tips/rough%20turn%20bowls%20--%20HWT.pdf

-- Bill


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