Search found 5 matches

by guerraz
Sun May 30, 2021 10:45 am
Forum: Instrument Builders Forum
Topic: Target Thickness Calculations
Replies: 1
Views: 1931

Re: Target Thickness Calculations

Here is the other file
by guerraz
Sun May 30, 2021 10:34 am
Forum: Instrument Builders Forum
Topic: Target Thickness Calculations
Replies: 1
Views: 1931

Target Thickness Calculations

Hi All, I’ve been working the formula calculations, one from the Gore book the other from a ytube video. The results are similar. My question is which final thickness do I use . They both point to 2.1 mm - 2.9 mm as I change the index in one formula and the vibrational stiffness factor in the other....
by guerraz
Sat Dec 26, 2020 7:09 am
Forum: Contemporary Acoustic Guitar Design and Build - Trevor Gore
Topic: Plate target thickness of non rectangular plates using deflection testing
Replies: 11
Views: 15658

Re: Plate target thickness of non rectangular plates using deflection testing

Great topic. Does the weight you use to deflect the board matter or is it predetermined?
Zef guerra
by guerraz
Sat Dec 26, 2020 6:57 am
Forum: Anything Goes
Topic: Frequency # 30 guitar
Replies: 3
Views: 13046

Re: Frequency # 30 guitar

Thank you I was curious .
by guerraz
Mon Nov 23, 2020 2:06 am
Forum: Anything Goes
Topic: Frequency # 30 guitar
Replies: 3
Views: 13046

Frequency # 30 guitar

Good day , I want to share the Hz readings from the guitar I'm finishing up . I glued the bridge on yesterday , it's about 0644 Sunday here in Rancho Cordova, CA . I can't wait to string this guitar up today. The Hz before the bridge were 81.4 Hz 184 243.4 After the bridge the readings today are 84 ...