Australian/New Zealand Luthiers Forum

Yes, the scale length is from the nut to the brake angle at the bridge. It will need compensation added to the scale length. Try moving the breaking point back making the scale longer. I would not modify the guitar, if you don't have any luck you should be able to get a replacement bridge with more ...

Hi Martin,
Did you have a target frequency combination in mind? What's the diameter of the soundhole?
Thanks Luke

I have been asked to make an acoustic guitar similar to the Ian Anderson model by Brooks guitars. It will have steel strings with a 622mm (approx 24.4") scale length. It has a very narrow body only 246mm at the lower bout and would like your thoughts on a suitable bracing pattern. I normally use a X...

Hi Steve,
I live in Wollongong also, I use a sealed box to store the parts pre glue-up and a dehumidifier in a small room when gluing.
I think we may have met at a party on Australia Day, if you need anything or just want to catch up and talk guitars send me a PM.
Luke.

This is how I put my label in my guitars.

Nice, your cnc looks to be running well. What software do you use?
Also how do you hold the pieces in place on the final pass?

Luke.

Did you work off a plan? Where did you get it?

I made my own set of plans in autocad. I traced some images I found on the net, and researched typical dimensions. Then made adjustments to suit my scale length, bracing etc.

L1 style acoustic, 12 fret neck joint Sitka spruce x braced top EI rosewood back, fret board, bridge New Guinea rosewood neck Maple bindings. The frequencies are higher than I wanted but it sounds good and is well balanced. After it was complete I didn't take any spectrographic data for 2 weeks to s...

This year I made a "L1" style guitar and here are some of the jigs used. They all are fairly standard but with some additions. I will add some pics of the guitar to the gallery soon. See "file comment" for a brief description. Hopefully the pics are self explanation as typing is not my strong suit. ...

I finished this uke a few months ago. Concert size with 14th fret neck joint. Spruce top Mahogany back N G rosewood neck E I rosewood fingerboard Walnut bridge Cnc cut plywood sides with sunburst finish Although not a stringed instrument, I also made this cajon for a Xmas present for my brother in l...

I made my tornavoz out of ply, laminate and PVC pipe it has two parts and I sprayed it black. I took some photos of the prototype to show how it is made/installed. Photo 1 is the two parts and a sketch/section to see the profile of the outer ring. Photo 2 is the outer ring install Photo 3 is the inn...

Hi Colin, I finished a parlour last year, 480 long and 332 wide lower bout. X braced sitka, non scalloped. Boxed up I got 117, 232, 279 after thinning the edges i got 114, 226, 278 Finished guitar with bridge 116,203, back not sure. The frequencies were not where I wanted them and the G note on the ...

Hi,
I am looking for a dehumidifer to control the humidity in a room inside my house (3m x 4m).
I had a look at a Dimplex GDDE20 and a Delonghi CF08E but they didn't seem to go lower than 50%.

Just wondering what brand and model No# other peolpe use.
Thanks Luke

I like A, B looks a bit like a Rorschach test to me.
Luke

I don't have any advice on the slide guitar but I have used a rotary switch for tone control in an electric I made. I like the rotary switch tone control better than a standard pot arrangement, I think the caps I used were: .22uf .03uf .01uf .003uf .001uf by pass The rotary switch was from Jay car H...

Hi,

Does anyone know of a good Frequency Meter Software (free/trial) with adjustable freq. range? I have been using VA but on the high strings i can not get the fretted freqnecy.

Thanks Luke

Hi,

Is this the frequency responce for the finished guitar including the bridge? What type of guitar, steelstring classical? Also the white number are hard to read.

Luke

Hi sound shooter, Are you building a classical or steel string? What are you target frequencies? I’m am not an expert, I have only made one guitar using Gore/Gilet techniques. It is a steel sting, x braced(sound similar specs. to yours, my sound hole 95mm) but these are my figures. Boxed up with edg...

Hi Alan, I think this is a very cool guitar, I really like the shape and have been inspired to make a parlour style guitar. I am just CAD’ing up my plans, and was curious about your dimensions. You mentioned you worked off the Scott Antes plans but from my calculation is seems narrow compared to oth...

Hi, I just thought I would follow up on my bridge/glue tests. In the photo: The top bridge is the one that came off, I wiped one half with Acetone until no more colour came out (Jeff’s suggestion) the other half I scraped. Then I glued a strip of spruce on, let it dry for 24 hours. After that I trie...

Thanks for all of your comments and advice. Just to clarify, *The Radius on the bottom of the bridge was not 100% but with a light amount of pressure the joint closed and looked good. *The glue was bought at Carbitec (Sydney) in March this year. Not sure what their stock turnover is like. *I did use...

Hi All I finish this guitar about a month ago and today I noticed the treble side wing of the bridge had lifted. So I removed the stings and had a look. I slid a ruler under the bridge and it came off easily. I have made several guitar before and all their bridges are fine after 10 years. I wiped th...

Hi All, I just thought I would add a photo of the jig I made to glue up my solid linings. I use a two part mould with a positive and negative and clamp the linings between them, its very easy and quick (after you make the jig). I added flat sections so it is easy to get clamps all around it. I used ...

Hi all, I have been working on a S-String, the shape is similar to a Taylor grand concert with X bracing like the J-45 detailed in the book. Sound hole diameter of 95mm, a live back detailed the same as the book. I am aiming for T(1,1)1 - 90Hz T(1,1)2 - 169Hz T(1,1)3 - 215 [img] Freq%20Response%20Th...

Hi John,
I was just wondering what hardener you got from Carbatec. I remember something in the books about a certain type of hardener for pore filling.
Did you get West System 105 resin and the 207 hardener?
Are you using the same hardener to do your carbon fibre and pore filling?

Thanks Luke