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PortlandGuitar

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About PortlandGuitar

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  1. I'm a luthier and when deciding if I've finished an acoustic guitar I'll go over it a look for around 15 things related to musicality, playability and quality. I thought I'd turn that checklist into a guide that others can use to evaluate instruments. I aimed this as a guide to explain to someone looking to buy a guitar what to look for. There's a lot of text, too much for this post. So here is the list below and you can check out more here:intermediate acoustic guitar buying guide The list that I go through is: Top quality , back and sides quality, tuning ease, bridge pin ease, fret
  2. I wrote an informational article about how wood is bent for acoustic guitar sides and other parts. It's pretty long so I'm not going to post it in it's entirety here. The short version is that steam is really cool. We can bend wood by using only a soaked piece of wood and clamps but it has to be a thin piece. A guitar side is bent using a heating pad and water to create steam at close contact then apply pressure at the middle,upper and lower bout the conform the side to a jig. My theory is that steam lubricates the fibers of the wood to make them slip next to each other.It doesn't cover using
  3. My pictures won't upload, so view the full post here: guitar bracing Falcate Bracing There have been many bracing designs used over the course of Jay’s building career. When he started out with a kit, the bracing used was an x-bracing pattern A good learning experience. There were difficulties present. Shaping each brace to the curvature of the body was a tedious and repetitive task. Cutting them out to the right shape and height for strength and voicing was an imprecise process. A mechanical engineer, Jay searched for a better way. As more guitars were built there were improvements
  4. A client sent us his seagull guitar to retrofit, he heard about our intonation improvements and wanted to try it on his instrument. Jay hadn’t performed this task before but being an engineer, he thought it a good task to take to help spread the bridges to the world. A jig was made to hold the guitar in plate while a new channel could be routed. A scary thing to do once you put someone’s favorite guitar in the surgeon’s chair. Fortunately, everything came out a success and the intonation was improved on this guitar. The improvements were measured before and after the bridge was put on so we go
  5. The rosewood circle behind the soundhole looks nice. It doesn't have any function except being an extra piece of art
  6. I recently finished these Brazilian rosewood OMs. One has a western red cedar top while the other has adirondack spruce. I have videos and more pictures of them available at my website:Portland Guitar
  7. Hello Project Guitar, We are are huge cnc fans. Here's why The use of cnc in building a guitar is a game changer. The combination of machine precision used in a creative way with hand finishing craft behind it is a powerful combination. This tool has let us build a better guitar, in less time. We can repeat the some of the tasks which lets us spend more time working on a piece by hand. Placement of the frets, radius of the fretboard and bridge pins for scale length are derived from formulas, it is nearly impossible to get these in the exact right spot in practice. Small amoun
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