Did some wood burning today - Page 2 - Router Forums
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post #11 of 14 (permalink) Old 04-30-2017, 02:58 PM Thread Starter
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To answer some questions, I bought a burner from Conestoga Works - Lichtenberg Figure Wood Burners 2017.
I didn't want to build my own because I only know the basics about electricity and when it comes to high voltage (12000v.) there is no room for mistakes. In addition, this has a higher voltage output than the microwave transformers, I understand.

Chuck, I am experimenting with the finishing. The ones I did for Christmas presents I fine sanded them back to the original wood color,as the electrolyte solution of baking soda in combination with the burning gives a weather beaten color to the wood. It also raises the grain. But it loses some of the fine figuring by sanding.
I am going to try vinegar and a water rinse and see if that works. Will update that later.

There is a ton of information on the Internet about Lichtenburg Figure Wood Burning.

I have noted that are 3 types of paths that the burning takes and they seem to be unpredictable,and depending on the absorption of the electrolyte solution.

1. What I call the lighting bolt type that looks like the the lightening in the night sky.

2. The Vegetation type that looks like a tree branch, or weathered scrub tree or shrub.

And 3. A variation of the two above,resembling more of a vine.

The grain seems to dictate what it does,although on the same board all can appear.

Different woods act differently, my favorites are ,Oak and Tennessee aromatic Cedar

I have tried,Peruvian walnut, white oak, poplar, aromatic cedar, Spanish cedar, spalted western maple, unspalted western maple,mahogany, beech, BB plywood,luan plywood,

Glad you enjoyed,
Herb
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post #12 of 14 (permalink) Old 04-30-2017, 03:30 PM
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Nice work Herb , very unique look
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I don’t always insulate , but when I do .
Ok ,I never insulate
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post #13 of 14 (permalink) Old 04-30-2017, 10:03 PM
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Really nice Herb.
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post #14 of 14 (permalink) Old 05-02-2017, 02:13 PM Thread Starter
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As an update,
I did a dilute vinegar rinse on the oak and and the red cedar and it seemed to work to remove the stain around the burn. But the whole thing has a slightly different color, a little less red on the cedar than the top, but it is so slight that it is not too noticeable. The Oak seems a little grayer. There must be something in the oak and cedar that reacts with the process. The maple and poplar don't seem to discolor. I did a light hand sand with 220 g. and it smoothed up nicely and didn't seem to remove any detail of the burn. On the maple and poplar I am sealing with shellac first ,then sanding the nubs off.

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