Search found 4 matches

by Somerby
Sat Oct 01, 2011 2:21 am
Forum: Contemporary Acoustic Guitar Design and Build - Trevor Gore
Topic: Collecting Spectrographic data
Replies: 62
Views: 86389

Re: Collecting Spectrographic data

Trevor - I am trying to work out the kinks in getting VA to work properly. I am getting some results, but I can not be sure that the program is capturing the data correctly - My expectation is that the program will wait for a signal on the input to begin the capture. Instead, I see the capture move ...
by Somerby
Sat Sep 24, 2011 11:08 am
Forum: Contemporary Acoustic Guitar Design and Build - Trevor Gore
Topic: Equ 4.5-5
Replies: 37
Views: 67004

Re: Equ 4.5-5

Dominic- I am embarrassed to reveal my haphazard approach to these two volumes! Rather than proceed in a logical way, I am all over the map. This section on plate thickness's is brilliant, and I am attempting to calibrate to my previous work of simply using what is essentially the long grain modulus...
by Somerby
Sat Sep 24, 2011 9:20 am
Forum: Contemporary Acoustic Guitar Design and Build - Trevor Gore
Topic: Equ 4.5-5
Replies: 37
Views: 67004

Re: Equ 4.5-5

I am answering my own posts! All is right with the world, MathCAD correctly calculates equation 4.5-7 to match the book with the identified limitations. Not sure where excel was wrong, but we can now return to the regularly scheduled programming.....

Cheers!
by Somerby
Sat Sep 24, 2011 3:01 am
Forum: Contemporary Acoustic Guitar Design and Build - Trevor Gore
Topic: Equ 4.5-5
Replies: 37
Views: 67004

Re: Equ 4.5-5

Hello folks - I recieved these books a few weeks ago and I am very impressed ! I am trying to develop a spread sheet to match the calculations around top thickness's and I can not get Exel to match the data in the book. I am more like 10% off! I've tried a few things around changing the way the calc...