MIMF

That's interesting info, thanks Alan.

Sounds great thanks!

Thank you both.
Well what I'm after ultimately is more bass response. Is bridge rotation itself a way to achieve that... or only a way to measure top deformation?

In my thread about the Blueridge guitar some members of this forum have been very heplful by providing excerpts of texts about sound and its relationship with guitar bracing and physical properties like mass and stiffness. I have found that very interesting and unfortunately with the confinement in ...

Thanks Marshall, that's very interesting info. I will make some tests. Yesterday I made some tests on the bridge rotation with a mobile, a bubble level app and some blu tack. The results seem to be that rotation is about 0.8 degrees. So I guess I could try shaving the top braces a bit, but I want to...

Thanks Marshall. I will, though I still need to think carefully what I try doing. Finished gluing the back bracing today. Finally found 4 loose ends... so it took a few days. The rattle is gone, I will string it up and see how it sounds later. This is a picture of the inside, it has two 5/8'' tall x...

You really can't tell how large those braces are in the photo as they could be magnified from the close-up photo. A measurement of the height of the X-braces at the joint would be helpful, as well as the width of the braces. I measured that today... About 5/8'' tall and 5/16'' wide, which is pretty...

I know someone who had a guitar made with interchangeable fretboards. Here he is: https://www.youtube.com/watch?v=WSV63t4eW5M https://www.youtube.com/watch?v=pryt0pEgulw He is an incredible player, and he plays all kinds of different musics from the world, so this was his idea to avoid carrying seve...

Those braces do look heavy. I'd feel a lot better about that top if the X-brace crossing were reinforced. The don'w facing open side of the half lap joint is in tension, and because of the sudden change in stiffness there's a tendency for the brace to split at the level of the lap. Anything that he...

Here's another picture of the inside... I don't know if this looks overbraced or not... but doesn't everything look very square? I would expect the cross section of the braces to be more parabolic (except on the places where it's scalloped), at least that's what I've seen in most guitars. Also the t...

Thanks Clay. I'm using phosphor bronze medium strings.

Thanks so much for the tip... I was just doing the repair now and clamping outside was exactly what allowed the gap to close

Thanks Barry! Will try that.

Thanks to this thread I found another issue in the guitar :) Two of the back braces have a small section where they are unglued. The comment about the back bracing made me start tapping the back and I found a rattle. Inspecting the braces I found the problem. Here's a pic of my dry run for the repai...

If the problem is just a general lack of bass response it could be over built, as has been said. Sometimes the best way to address that is to shave back braces,to lower the 'main back' tap tone more in line with the pitch of the top. This can be surprisingly effective and doesn't compromise the str...

Take a look at “guitar bridge images” online. Definitely think on it. Play it for half a year. I've experimented with half dozen or so bridges this way. I have purposely built with oversized braces just so I could hear what happens when they are lowered. The problem is that you don't know how far i...

Thanks Marshall. I think I understand what you mean. I will give it a think before I jump on it with my saw, but it sounds doable.

Those numbers look good. But there is something strange in that you received it with so high an action. Is the neck stable? Any problems with the neck joint? Have you looked inside for any offending mass? I once forgot a bridge caul inside stuck in with double sided tape. That will effect the tone!...

Here's some pics:

https://ibb.co/hHMQps5
https://ibb.co/0yppxRz

Thanks again!

Thanks for your replies.

I will upload a picture later, but I think the break angle looks ok.

There is between 3/32'' and 7/64'' saddle protruding above the bridge. The action at the 12th fret is now about 0,095'' at the low E, and about 0,085'' at the high e.