Search found 5 matches
- Tue Jun 02, 2020 2:41 am
- Forum: Contemporary Acoustic Guitar Design and Build - Trevor Gore
- Topic: Starting out on J45
- Replies: 46
- Views: 396932
Re: Starting out on J45
As mentioned above, my spreadsheet for flexural rigidity is working fine on the example in the Book. I ran the spreadsheet on the J45 plan and got a Flexural rigidity of 58.6 Nm^2. If I understand the Book correctly, 50 Nm^2 is a good target for steel string guitars with light gauge (12's) strings. ...
- Tue May 26, 2020 12:29 am
- Forum: Contemporary Acoustic Guitar Design and Build - Trevor Gore
- Topic: Starting out on J45
- Replies: 46
- Views: 396932
- Mon May 25, 2020 3:33 am
- Forum: Contemporary Acoustic Guitar Design and Build - Trevor Gore
- Topic: Starting out on J45
- Replies: 46
- Views: 396932
Re: Starting out on J45
With enough time and effort I was able to figure out the spreadsheet formulas for calculating the soundboard bracing system. 
I still wonder what value of E was used for J-45 in the Book.
I still wonder what value of E was used for J-45 in the Book.
- Fri May 22, 2020 10:16 pm
- Forum: Tutorials
- Topic: Nick's Tobacco burst....
- Replies: 21
- Views: 102950
- Wed May 20, 2020 1:02 pm
- Forum: Contemporary Acoustic Guitar Design and Build - Trevor Gore
- Topic: Starting out on J45
- Replies: 46
- Views: 396932
Re: Starting out on J45
I hope I'm not hijacking this thread, but I'm building a guitar and I've been referring to the J-45 plans as a reference. My client wants a Martin dread shape and I've found it easy to insert the J-45's ladder and "star" braces design into the dread's back. I have a good handle on thicknessing the t...