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 Post subject: Re: finish experiment
PostPosted: Sat May 25, 2019 4:33 pm 
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Joined: Thu May 24, 2012 8:03 am
Posts: 1430
Location: Chestertown Maryland
1988

One of the slides has what I did - 4 coats and level, 3 coats and level finer, 2 coats and leverl finer still, then one last gloss coat?? Body and neck the same.

Ed

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 Post subject: Re: finish experiment
PostPosted: Sat May 25, 2019 10:10 pm 
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Joined: Tue May 15, 2012 10:27 pm
Posts: 32
ruby@magpage.com wrote:
1988

One of the slides has what I did - 4 coats and level, 3 coats and level finer, 2 coats and leverl finer still, then one last gloss coat?? Body and neck the same.

Ed


Did you seal it before finishing?


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 Post subject: Re: finish experiment
PostPosted: Sat May 25, 2019 10:21 pm 
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Joined: Thu May 24, 2012 8:03 am
Posts: 1430
Location: Chestertown Maryland
I have been in the habit for decades of applying shellac before a finish. I put on two coats minutes apart with a folded paper towel, then hit it quickly with 400 or 600 grit paper, whichever is closer to hand. Oil finish gets no shellac.

Ed

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 Post subject: Re: finish experiment
PostPosted: Wed May 27, 2020 12:58 am 
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Joined: Wed Jan 01, 2020 11:37 pm
Posts: 7
Ruby@magpage....In the pic where you are removing the finish prior to gluing down the bridge, are you using any chemical, or just a very sharp chisel? I don't think I could do that dry and maintain a good gluing surface.

Thanks, Roy


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 Post subject: Re: finish experiment
PostPosted: Wed May 27, 2020 9:12 am 
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Joined: Thu May 24, 2012 8:03 am
Posts: 1430
Location: Chestertown Maryland
Roy

I do it dry. A really sharp chisel held vertically acting as a scraper is quite precise. My daughter has her own shop (brooklynlutherie.com) and she got a tip from the late great Paul Hostetter (lutherie.net for all sorts of great info) and uses a mezzotint rocker for the job. It is a chisel like a toothing blade for a plane and does a great job even on very very old nitro. She uses the 1/2" width

Ed


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 Post subject: Re: finish experiment
PostPosted: Mon Jun 01, 2020 7:17 pm 
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Joined: Wed Jan 01, 2020 11:37 pm
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thanks. admiring, but so far I think I better stick with chemical remover. As I get more confident, I can try newer techniques. Right now I'm just trying to develop one set I think I can depend on without making new problems for myself. Roy


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 Post subject: Re: finish experiment
PostPosted: Mon Jun 01, 2020 7:45 pm 
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Joined: Sun Mar 09, 2014 8:13 pm
Posts: 2322
A chemical could be hard to control. Even with the area well taped, your finish may soften under the edge of the tape. Plus, if any trace of chemical should remain, your glue joint might be compromised.

Here is another alternative for you to consider.

Tape off the area where you don't want finish. I did this with my first guitars. You tape the area where your bridge or fretboard extension will sit. Determine where the bridge will sit and tape your bridge over this area. Use a #11 xacto blade, and "trace" the bridge. This will cut through the tape, so you can peel away the excess, leaving your footprint.

Just apply your finish of choice.

When cured, use your #11 blade to score the finish around the tape. Remove the tape. You'll have a pristine wood area to glue to.

Attachment:
PicsArt_09-28-02.05.33.jpg


Attachment:
PicsArt_04-06-10.17.08.jpg


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