I know MJ has done it a bunch, but I was looking for info on toasting wood to sort of ebonize it. How hot,how long, and how deep does it go?
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How hot: I start testing at 250F. If the first sample pulled is NG I'll up it to 300F right away. I use the gas oven in my kitchen, never tried it with a toaster.
How long: I put a few samples in and start pulling them at 2.5 hrs.
How deep: Through & through once you get it right.
Make airtight pouches for each sample out of heavy foil and just put 'em on a baking sheet. It can smell good or bad depending on the wood. Cherry smells nice, Ipe is kind of acrid.
White oak, cherry, and ipe go pretty close to jet black.
What would you guess is the recipe for a 3 inch diameter cherry turning blank?
for a 1-shot I'd probably try 4 hours at 325. Sharpen up, the wood also gets a bit harder.
Maybe I'll try 350. That way I can bake cookies at the same time . . .
Save me some cookies.
Chocolate chip, oatmeal butterscotch, or madeleines. You pick.
You pick, ship to the address on my website.
I tried this once, using a couple of short maple log quarter-sections, on my propane grill. I did not want to potentially stink up the oven. I wrapped the logs tightly in aluminum foil and did 4 hours at 400℉. I was not impressed. The wood was uniformly and uninterestingly brown. Just looked like very old wood. Tried turning a piece, and cut some boards on the bandsaw. Didn't seem worth it.
I'n not surprised, I've tried lighter woods like pine, poplar, maple, and ash with the same result, just a light browning. The white oak was a surprise though, it went black. Might be a tannins thing?
Also, if your logs were green the propane energy would have to dry out the wood first before it would even heat up. The wood could reach 212F but get no hotter until all of the water was gone. That's why this works:
https://science4fun.info/boil-water-in-paper-bag/
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