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Some photos of doing a sunburst
http://mowrystrings.luthiersforum.com/forum/viewtopic.php?f=10128&t=28821
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Author:  Haans [ Sun Aug 29, 2010 7:32 am ]
Post subject:  Some photos of doing a sunburst

Here are the steps I use to do a sunburst on an F5 mandolin.

The binding is taped off. There is usually a lot of bleed through, but it saves some work in scraping so it's worth doing.

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The instrument is dyed antique yellow/amber.

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Three airbrushings of the brown. I do another 3 to darken further.

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Eight to ten drops of black dye are added to the brown left in the bottle and I darken the edges.

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I'll shoot a coat of spirit varnish on and tomorrow I'll peel the tape and scrape the binding.

Author:  tim88 [ Sun Aug 29, 2010 7:59 am ]
Post subject:  Re: Some photos of doing a sunburst

Haans, thanks for that. I never realized it could be that simple. So I take it that you don't actually spray the sides, they just catch the over spray when you shoot the top and back, correct?

Author:  JJ Donohue [ Sun Aug 29, 2010 8:41 am ]
Post subject:  Re: Some photos of doing a sunburst

Thanks, Haans...nice process...I love your KISS practical approach.

Author:  WudWerkr [ Sun Aug 29, 2010 10:59 am ]
Post subject:  Re: Some photos of doing a sunburst

I tried to do it with rags and brushes ! [headinwall] [headinwall] Man Your way is soooooooo simple . [:Y:] Thanks BTW what type airbrush u using ? Is an expensive one necess , or are the cheaper ones sufficent ?

Author:  Haans [ Sun Aug 29, 2010 6:26 pm ]
Post subject:  Re: Some photos of doing a sunburst

Tim88, I do spray the sides...there is a definite pattern to F5 ribs and sections are very dark. So, here's the rest of it. I use utility knife blades and grind a bit off the point on one to get the scroll.

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Xacto knife blades are used to get to the side of the binding. The non-sharp edge is ground to a square edge to scrape with.

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The scroll is finished on the top.

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A steel rule is taped to the fingerboard to use as a guide for scraping the F/B binding.

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One coat of oil varnish.

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The airbrush is an Iwata, but you can get by with a Paasche. The important part is to keep the brush extremely clean.

Author:  walnut47 [ Sun Aug 29, 2010 9:45 pm ]
Post subject:  Re: Some photos of doing a sunburst

Hans,
thanks for the great information. Is that a big chunk of binding material in the background of the next to last picture? What is that? Did you make it?
Walter

Author:  Haans [ Mon Aug 30, 2010 6:24 am ]
Post subject:  Re: Some photos of doing a sunburst

Walter, that is a block of purling for a new style I'm working on. You can see more in the first couple of photos. A slice is cut off that block and that slice is cut into tiny pieces to form the purfling. See my website for the process. Here is a fairly final look...

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Author:  walnut47 [ Wed Sep 01, 2010 8:43 am ]
Post subject:  Re: Some photos of doing a sunburst

Hans,
Nice website. Thanks again for the great info. I really admire the clever methods you have come up with (neck joints etc.)
Walter

Author:  Chris Pile [ Fri Mar 18, 2011 5:17 pm ]
Post subject:  Re: Some photos of doing a sunburst

Well done - love it!

Author:  Parser [ Tue Mar 22, 2011 8:34 pm ]
Post subject:  Re: Some photos of doing a sunburst

nice - thanks for posting!

Author:  RamahBen [ Fri Jul 29, 2011 10:22 am ]
Post subject:  Re: Some photos of doing a sunburst

excellent.... bursts are an art form.

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