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Thread: Coolabah Question
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24th January 2011, 09:42 PM #1
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Coolabah Question
Hi All
I am working on a coolabah blank to go into a Sierra. I have shaped it and sanded to 400grit then with micro mesh down to 12000grit then hit it with the shellowax. I am happy with the blanks appearance but it does have a few tiny cracks in the wood. Do i need to fill this with CA and wood dust or will coating it with CA in the finishing process fill this time gaps, or do i just leave the natural cracks in the wood remain at large?
While I am here do I need to apply a CA finish at all? I am happy with the shine and smoothness, does CA just protect that or will it enhance the finish more?
Thanks
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24th January 2011, 09:59 PM #2
Wandering in search of timber
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No pics, but assume you are talking about burl. Yes, finishing with CA will cover most of those little cracks and imperfections you get in burl, provided you use enough layers. I use 2 thin CA layers, then at least 6 thick CA (thin layers), for best results. I would also give the shellowax finish a sand again with 1200 grit to ensure good bond.
Neil____________________________________________Every day presents an opportunity to learn something new
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24th January 2011, 10:43 PM #3
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Thanks. I couldnt get the photos to work, second time lucky.
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24th January 2011, 11:16 PM #4
Wandering in search of timber
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Yes a CA finish will fill them. Make sure you sand the blank more however, as the CA will build a layer around 1/4mm and your blank is already slightly oversized. Only sand to 1200 max, not micromesh before the CA finish, as you will not see the difference. I ensure my CA finish is pretty smooth with 0000 steel wool before using the micromesh then plastic polish finish.
Neil____________________________________________Every day presents an opportunity to learn something new
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25th January 2011, 09:20 AM #5
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Sturina-good advice has already been given,
Amos
Good, better, best, never let it rest;
Til your good is better, and your
better, best.
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25th January 2011, 11:31 AM #6
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26th January 2011, 06:51 AM #7
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Sturina
You could also accent before you get too close to your finished sizes using black epoxy on those deeper pronounced features, I have ground in a Coffee Grinder Ebony with CA and had success as well. Certainly at your present stage use CA on those many areas and sand level after using a skew on the flat carefully to get back to your surface. Works for me.
Regards Peter.
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