| Author |
Message |
Topic: Violin Plate Tuning & Weight Corrolation |
John Schmidt
Replies: 123
Views: 447952
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Forum: Violin Making and Restoration Forum Posted: Mon Aug 25, 2014 3:49 am Subject: Violin Plate Tuning & Weight Corrolation |
John... Just in case you missed it, Michael's book in draft and partial form is here....
http://violinmag.com
Unfortunately the chapter on arching and graduation is not on line yet... but there is ... |
Topic: Violin Plate Tuning & Weight Corrolation |
John Schmidt
Replies: 123
Views: 447952
|
Forum: Violin Making and Restoration Forum Posted: Sun Aug 24, 2014 8:05 pm Subject: Violin Plate Tuning & Weight Corrolation |
Michael,
I would sure like to see your future book that tells us how to correctly arch and thickness a violin. That would be a great leap forward for all of us. |
Topic: Darnton Summer Workshops |
John Schmidt
Replies: 1
Views: 3935
|
Forum: Violin Making and Restoration Forum Posted: Sat Apr 05, 2014 8:29 pm Subject: Darnton Summer Workshops |
| I would love to read testimonials from those who have attended. But rather than just "Wow, a great workshop!", I would like to hear more specific comments. Did you learn how to make a better ... |
Topic: Violin Plate Tuning & Weight Corrolation |
John Schmidt
Replies: 123
Views: 447952
|
Forum: Violin Making and Restoration Forum Posted: Sat Mar 29, 2014 2:32 pm Subject: Violin Plate Tuning & Weight Corrolation |
thought it over.
And?
I'm just curious.
I've read your posts for many years, John. And I often wonder if you're trying to get violins to fit a particular scheme that you've already accepted as ... |
Topic: Violin Plate Tuning & Weight Corrolation |
John Schmidt
Replies: 123
Views: 447952
|
Forum: Violin Making and Restoration Forum Posted: Thu Mar 27, 2014 5:56 am Subject: Violin Plate Tuning & Weight Corrolation |
| thought it over. |
Topic: Violin Plate Tuning & Weight Corrolation |
John Schmidt
Replies: 123
Views: 447952
|
Forum: Violin Making and Restoration Forum Posted: Thu Mar 06, 2014 6:43 am Subject: Violin Plate Tuning & Weight Corrolation |
Michael,
Thanks again for sharing your knowledge and insight. So let me re-phrase what I think I am hearing. Cremonese with top and back plates matched in the sense that stiffer backs require stiff ... |
Topic: Violin Plate Tuning & Weight Corrolation |
John Schmidt
Replies: 123
Views: 447952
|
Forum: Violin Making and Restoration Forum Posted: Wed Mar 05, 2014 10:56 pm Subject: Violin Plate Tuning & Weight Corrolation |
"If that's where you want to be making, where the money is, and that is indeed where the money is, tuning--forcing a violin to vibrate only in certain ways--is one of the various things that ... |
Topic: Violin Plate Tuning & Weight Corrolation |
John Schmidt
Replies: 123
Views: 447952
|
Forum: Violin Making and Restoration Forum Posted: Wed Mar 05, 2014 4:57 pm Subject: Re: Violin Plate Tuning & Weight Correlation |
Terry,
I can help you use Audacity to easily find M5 the main mode of the top and back plates. Email would be preferable.
John |
Topic: What is happening with MAESTRONET? |
John Schmidt
Replies: 23
Views: 26935
|
Forum: Violin Making and Restoration Forum Posted: Sun Mar 02, 2014 10:07 pm Subject: What is happening with MAESTRONET? |
| It's back now. |
Topic: What is happening with MAESTRONET? |
John Schmidt
Replies: 23
Views: 26935
|
Forum: Violin Making and Restoration Forum Posted: Sun Mar 02, 2014 7:30 am Subject: What is happening with MAESTRONET? |
I hope all the content is not permanently lost. That would be too bad.
I emailed Jeffrey Holmes. If I hear from him, I will post here. |
Topic: Request for top and back data |
John Schmidt
Replies: 17
Views: 21923
|
Forum: Violin Making and Restoration Forum Posted: Fri Jan 10, 2014 4:17 pm Subject: Request for top and back data |
John,
I am not ready to worry about the Harris formula. I am still trying to either support, or debunk, your formula. I expect to be getting 20 important data points in the next couple of weeks. Th ... |
Topic: Request for top and back data |
John Schmidt
Replies: 17
Views: 21923
|
Forum: Violin Making and Restoration Forum Posted: Fri Jan 03, 2014 9:31 pm Subject: Re: Request for top and back data |
Would you tell me also what is the Harris formula exactly? You can just call the square root thingy "sqrt" as I know what it is already.
John M.
The Harris formula is, apparently ... |
Topic: Request for top and back data |
John Schmidt
Replies: 17
Views: 21923
|
Forum: Violin Making and Restoration Forum Posted: Thu Jan 02, 2014 6:37 am Subject: Re: more on plate stiffness figure |
William,
Thanks for you thoughts. I have a new plot. Your data is included. One of your data points near 0.85 , 1.48, which is a green dot, because you thought it was a good violin, is right next ... |
Topic: Request for top and back data |
John Schmidt
Replies: 17
Views: 21923
|
Forum: Violin Making and Restoration Forum Posted: Tue Dec 31, 2013 2:51 pm Subject: Request for top and back data |
Hi John,
Thanks for posting the graphs.
I don't understand much about the stiffness ratios, but I have some understanding of lines. Is your line fit for all the data, or just the 'good' violi ... |
Topic: Request for top and back data |
John Schmidt
Replies: 17
Views: 21923
|
Forum: Violin Making and Restoration Forum Posted: Tue Dec 31, 2013 5:52 am Subject: Re: John Schmidt plate stiffness request |
William,
Thanks for the data. I have added it to the graph. The new equation for the line of best fit is kback = 0.77*ktop + 0.72
The graph is found here: http://jpschmidtviolins.com/images/vio ... |
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