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  Topic: Oversize sandpaper
dalpets

Replies: 1
Views: 2341

PostForum: Violin Making and Restoration Forum   Posted: Mon Feb 14, 2022 6:39 am   Subject: Oversize sandpaper
I am now able to advise you that it can be sourced from a European company @

https://www.axminstertools.com/hermes-abrasive-belt-660-x-1-220mm-x-80-grit-200927

The item is reasonably priced but ...
  Topic: Oversize sandpaper
dalpets

Replies: 1
Views: 2341

PostForum: Violin Making and Restoration Forum   Posted: Fri Feb 11, 2022 2:46 pm   Subject: Oversize sandpaper
Does anyone have a source for the oversize desktop sandpaper used in the below video @ 17:25?

https://www.youtube.com/watch?v=dLyeYeZM26Q

Thanks
  Topic: Mold measurements
dalpets

Replies: 24
Views: 12176

PostForum: Violin Making and Restoration Forum   Posted: Thu Feb 10, 2022 12:31 pm   Subject: Mold measurements
Mat Roop;
Not to me he isn't!
See my post of Tue Feb 08, 2022 3:05 am.
He didn't answer any of my questions there, just swatted me away as an irritant.
Maybe he didn't know the answers!
I didn' ...
  Topic: Mold measurements
dalpets

Replies: 24
Views: 12176

PostForum: Violin Making and Restoration Forum   Posted: Wed Feb 09, 2022 11:57 am   Subject: Mold measurements
DonLeister;

Well you say ‘that he won’t get bothered’ (care) could mean that you are labelling him a sociopath or an egomaniac, at the very least a narcissistic individual.
...
  Topic: Mold measurements
dalpets

Replies: 24
Views: 12176

PostForum: Violin Making and Restoration Forum   Posted: Tue Feb 08, 2022 1:46 pm   Subject: Mold measurements
It's your high handed dismissive attitude that irks me. I am not a dim wit & will not be treated like one.

You keep harping on a perceived attitude that all I want is for you to agree with me. ...
  Topic: Mold measurements
dalpets

Replies: 24
Views: 12176

PostForum: Violin Making and Restoration Forum   Posted: Tue Feb 08, 2022 1:05 pm   Subject: Mold measurements
"The mold differences are mostly tonally insignificant' you said.
Is that what I just heard from an expert? Surely not!
Serious commentary from elsewhere says that millimetres can make a huge ...
  Topic: Mold measurements
dalpets

Replies: 24
Views: 12176

PostForum: Violin Making and Restoration Forum   Posted: Tue Feb 08, 2022 8:05 am   Subject: Mold measurements
So we have;

'S'............346x145.6 x 98 x 195.2
&
'S1703'.....345x 157.0x 102 x 196.0

Are there any repositories (or tomes) that summarize what effect these & other changes have o ...
  Topic: Mold measurements
dalpets

Replies: 24
Views: 12176

PostForum: Violin Making and Restoration Forum   Posted: Mon Feb 07, 2022 1:46 pm   Subject: Mold measurements
I have a form S mold drawing with quoted full size dimensions of 346x 154.6 x 98x 195.2
I want to be able to check these full size dimensions once I have copied to full size.

What do the last 3 di ...
  Topic: Stradivarius 1716 mold: geometry for cutting block positions
dalpets

Replies: 23
Views: 8452

PostForum: Violin Making and Restoration Forum   Posted: Sun Feb 06, 2022 12:45 pm   Subject: Stradivarius 1716 mold: geometry for cutting block positions
I have made a form from the Addie database. Unfortunately I did not keep a note of which form I chose for the 'Messiah'
Since then I have seen the width of the top neck block quoted as 50mm in a coup ...
  Topic: under bars to lift mold blocks
dalpets

Replies: 8
Views: 3717

PostForum: Violin Making and Restoration Forum   Posted: Tue Feb 01, 2022 9:58 am   Subject: under bars to lift mold blocks
I was thinking more along the lines ot this;

https://www.youtube.com/watch?v=dLyeYeZM26Q
@7.20 t0 8.52
  Topic: under bars to lift mold blocks
dalpets

Replies: 8
Views: 3717

PostForum: Violin Making and Restoration Forum   Posted: Mon Jan 31, 2022 9:30 am   Subject: under bars to lift mold blocks

Some modern makers achieve rib heights by gluing a large sheet of sandpaper to a flat surface and rubbing the ribs on that to put it all in the same plane. Then reducing to the upper block is a matt ...
  Topic: under bars to lift mold blocks
dalpets

Replies: 8
Views: 3717

PostForum: Violin Making and Restoration Forum   Posted: Sun Jan 30, 2022 1:08 pm   Subject: under bars to lift mold blocks
Thanks for your tips re linings (purfling).

My strad poster shows rib heights & edge thicknesses for the treble & base sides of the ribs. The measurements for both vary along their total le ...
  Topic: under bars to lift mold blocks
dalpets

Replies: 8
Views: 3717

PostForum: Violin Making and Restoration Forum   Posted: Thu Jan 27, 2022 11:50 am   Subject: under bars to lift mold blocks
I say your mold is too thick. There's 10 mm of room for 15-16 mm of linings.

I don't completely understand the maths. Could you please restate another way.

The rib height for the Messiah, I beli ...
  Topic: under bars to lift mold blocks
dalpets

Replies: 8
Views: 3717

PostForum: Violin Making and Restoration Forum   Posted: Thu Jan 27, 2022 7:36 am   Subject: under bars to lift mold blocks
I have seen some recommendations for the thickness of bars underneath a mold prior to gluing viz.,
for 12mm thick mold, bar thickness 9.5mm
for 15 " " " " ...
  Topic: Stradivarius 1716 mold: geometry for cutting block positions
dalpets

Replies: 23
Views: 8452

PostForum: Violin Making and Restoration Forum   Posted: Sat Jan 22, 2022 12:54 am   Subject: Stradivarius 1716 mold: geometry for cutting block positions
To be fair, our respective positions on all of this lie somewhere between the two, ie., if we for a moment dismiss confirmation bias & the Dunning-Kruger effect.

Make no mistake I get profound ...
 
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