martin swan Posted June 12, 2021 Report Share Posted June 12, 2021 2 hours ago, jacobsaunders said: Why don't you fuck off Seconded ... Can someone remind me how to use the "block member" function? Quote Link to comment Share on other sites More sharing options...
Jim Bress Posted June 12, 2021 Report Share Posted June 12, 2021 23 minutes ago, martin swan said: Seconded ... Can someone remind me how to use the "block member" function? Let your cursor hover over the member name, then look for the "ignore user" button at the bottom of the pop up screen. Quote Link to comment Share on other sites More sharing options...
Shelbow Posted June 12, 2021 Report Share Posted June 12, 2021 Time to return this thread to the original topic of discussion. Quote Link to comment Share on other sites More sharing options...
martin swan Posted June 12, 2021 Report Share Posted June 12, 2021 24 minutes ago, Jim Bress said: Let your cursor hover over the member name, then look for the "ignore user" button at the bottom of the pop up screen. Thanks! Quote Link to comment Share on other sites More sharing options...
Wood Butcher Posted June 12, 2021 Report Share Posted June 12, 2021 I used that feature around a year ago. My Maestronet experience has been enhanced since that time Quote Link to comment Share on other sites More sharing options...
Peter K-G Posted June 12, 2021 Author Report Share Posted June 12, 2021 7 hours ago, Shelbow said: Time to return this thread to the original topic of discussion. Yes please, I find it interesting Quote Link to comment Share on other sites More sharing options...
David Beard Posted June 12, 2021 Report Share Posted June 12, 2021 12 hours ago, Strad O Various Jr. said: I am insisting that anyone that has ever used turpine, rosin/oil varnishes knows that they will not dry without UV light,and in Stradivari's time that meant direct sunlight, not just heat. One questions whether you have any experience varnishing violins at all? Light and UV are catalysts for drying, they help. But, drying oils and varnishes should dry eventually anyway. Likewise, metalic ions, particle content, and even startch can all aide drying. But none are strictly necessary, just helpful. Quote Link to comment Share on other sites More sharing options...
uncle duke Posted June 12, 2021 Report Share Posted June 12, 2021 10 minutes ago, David Beard said: Light and UV are catalysts for drying, they help. But, drying oils and varnishes should dry eventually anyway. If one thinks there is no difference between a six week or less waiting time and a four month or more wait for drying before a bridge can be put on then what you say should be o.k. Quote Link to comment Share on other sites More sharing options...
David Beard Posted June 12, 2021 Report Share Posted June 12, 2021 Yeah. I didn't say unaided drying is a good idea, or remotely reasonable in time length. But if we're talking science and evidence and being accurate with statements, then UV/sun are aides to drying, not essentials to drying. Me, I like using the sun to dry finishes. It pleases me. Quote Link to comment Share on other sites More sharing options...
Wood Butcher Posted June 13, 2021 Report Share Posted June 13, 2021 I often wondered if the old makers reserved the summer months for varnishing, when the warmer and drier weather would surely be an asset. Rather than today’s system of make an instrument, then varnish it immediately. Quote Link to comment Share on other sites More sharing options...
GeorgeH Posted June 13, 2021 Report Share Posted June 13, 2021 16 hours ago, David Beard said: Me, I like using the sun to dry finishes. It pleases me. That sounds like the very best reason to do it. I can imagine that it is quite beautiful to see and contemplate. Quote Link to comment Share on other sites More sharing options...
Evan Smith Posted June 13, 2021 Report Share Posted June 13, 2021 18 hours ago, David Beard said: Me, I like using the sun to dry finishes. It pleases me. Me Too! 9 hours ago, Wood Butcher said: I often wondered if the old makers reserved the summer months for varnishing, when the warmer and drier weather would surely be an asset. I would think they did, why would you wait around for months trying to keep the flies and kids out of the sticky stuff. On the other hand it could give it some time to really wet the wood and make it translucent. Humm,,,,, do I want it to dry real fast? I wonder,,,,,,,,,,,,, Quote Link to comment Share on other sites More sharing options...
John Harte Posted June 13, 2021 Report Share Posted June 13, 2021 1 hour ago, Evan Smith said: Me Too! I would think they did, why would you wait around for months trying to keep the flies and kids out of the sticky stuff. On the other hand it could give it some time to really wet the wood and make it translucent. Humm,,,,, do I want it to dry real fast? I wonder,,,,,,,,,,,,, Both true, depending on what you use and how, at least in my experience... Another benefit from not using UV or high intensity UV is that lake pigments tend to fade less. Quote Link to comment Share on other sites More sharing options...
David Beard Posted June 13, 2021 Report Share Posted June 13, 2021 11 hours ago, Wood Butcher said: I often wondered if the old makers reserved the summer months for varnishing, when the warmer and drier weather would surely be an asset. Rather than today’s system of make an instrument, then varnish it immediately. I know I don't time by the seasons. I live where there is lots of sun around the corner for most of the year. I avoid finishing when the weather is actually bad. And at times that could mean waiting 6 weeks. But it would never mean waiting 3 months. But also, I don't approach finishing as something I expect to take days. I expect it to take weeks or months in its full footprint. Quote Link to comment Share on other sites More sharing options...
Evan Smith Posted June 13, 2021 Report Share Posted June 13, 2021 10 minutes ago, John Harte said: Both true, depending on what you use and how, at least in my experience... Another benefit from not using UV or high intensity UV is that lake pigments tend to fade less. I once had the weirdest thing happen with alkanet,, it faded to a dull brown in the uv box, only to reappear a few days later as a dark red, much more intense than to begin with. I've only used it once, so what I did I have not a clue. Making coffee or tea is about as far as my chemistry goes,,,7 years later it still seems stable. Quote Link to comment Share on other sites More sharing options...
John Harte Posted June 13, 2021 Report Share Posted June 13, 2021 4 minutes ago, Evan Smith said: I once had the weirdest thing happen with alkanet,, it faded to a dull brown in the uv box, only to reappear a few days later as a dark red, much more intense than to begin with. I've only used it once, so what I did I have not a clue. Making coffee or tea is about as far as my chemistry goes,,,7 years later it still seems stable. This is interesting. Was the alkanet there as a wood stain or a varnish colourant? From memory I have only tried alkanet in linseed oil and it faded back to almost nothing, but that was a while ago. I'm not sure what the actual linseed oil might have been and whether it would have been put in the UV box or exposed to sunlight or left lying around in my workshop.. My best guess is that one of the first two options would have been involved. Quote Link to comment Share on other sites More sharing options...
Evan Smith Posted June 13, 2021 Report Share Posted June 13, 2021 13 minutes ago, John Harte said: This is interesting. Was the alkanet there as a wood stain or a varnish colourant? From memory I have only tried alkanet in linseed oil and it faded back to almost nothing, but that was a while ago. I'm not sure what the actual linseed oil might have been and whether it would have been put in the UV box or exposed to sunlight or left lying around in my workshop.. My best guess is that one of the first two options would have been involved. I used acetone to remove the color from the root, added it to the varnish then let it evaporate till the varnish was the right consistency. A beautiful color,,, But then it then completely disappeared only to leave a dull light brown, then returned a much more solid, darker, very slightly opaque red. Here's a pic. of even weirder things, I decided to make this in a day, 16 hrs for the corpus, neck the next day, then in a hurry to varnish, I forgot any drier, so I brushed on some jap drier onto the varnish after it had gotten a bit stiff, the box was pretty warm,,, way too warm for anyone else,, and clear varnish became this red! Bang! I'm the kind of guy that makes world class discoveries only because I do things so weird, I stumble abound like a drunk bumping into things, then I hit the right switch inadvertently. But with no notes, who knows what happened. I have varnish samples I would give a lot to know how they were exactly done,, any notes there are,, are a bit shy of complete directions, and sometimes a little bit makes a big difference. Things look different in 30 years,,and age does wonders to varnish. Quote Link to comment Share on other sites More sharing options...
Evan Smith Posted June 13, 2021 Report Share Posted June 13, 2021 11 minutes ago, Evan Smith said: I used acetone to remove the color from the root, added it to the varnish then let it evaporate till the varnish was the right consistency. A beautiful color,,, But then it then completely disappeared only to leave a dull light brown, then returned a much more solid, darker, very slightly opaque red. Here it is. Quote Link to comment Share on other sites More sharing options...
John Harte Posted June 13, 2021 Report Share Posted June 13, 2021 59 minutes ago, Evan Smith said: I used acetone to remove the color from the root, added it to the varnish then let it evaporate till the varnish was the right consistency. A beautiful color,,, But then it then completely disappeared only to leave a dull light brown, then returned a much more solid, darker, very slightly opaque red. Here's a pic. of even weirder things, I decided to make this in a day, 16 hrs for the corpus, neck the next day, then in a hurry to varnish, I forgot any drier, so I brushed on some jap drier onto the varnish after it had gotten a bit stiff, the box was pretty warm,,, way too warm for anyone else,, and clear varnish became this red! Bang! I'm the kind of guy that makes world class discoveries only because I do things so weird, I stumble abound like a drunk bumping into things, then I hit the right switch inadvertently. But with no notes, who knows what happened. I have varnish samples I would give a lot to know how they were exactly done,, any notes there are,, are a bit shy of complete directions, and sometimes a little bit makes a big difference. Things look different in 30 years,,and age does wonders to varnish. Evan, thank you for your photos and very interesting replies! I wonder whether the acetone modified the resin and/or oil in some way that resulted in the slight opacity and more during the drying process(???). Also Alkanet is pH sensitive and maybe the pH of the resin and/or oil content had some gradual effect(???). It would be interesting to hear what knowledgeable chemists on this forum might think. As for your second experience, seems like whatever was in your Japan drier worked in very mysterious ways! Maybe the heat provided energy enough for something like iron in the drier to react with the resin in some way.... I can certainly relate to what you mention regarding note taking or not. Too much to try, so little time... Quote Link to comment Share on other sites More sharing options...
Marty Kasprzyk Posted June 14, 2021 Report Share Posted June 14, 2021 At one of the VSA instrument competitions I saw all of the instruments laid out on long white cloth covered tables. About one third of them had the impression pattern of the cloth fabric weave on their back plates where they touched the table cloth for the week. My impression (a premeditated pun) was that the varnishes of many of these relatively new instruments were not very hard. Quote Link to comment Share on other sites More sharing options...
Christian Pedersen Posted June 14, 2021 Report Share Posted June 14, 2021 More specifically, I would believe that the varnish was just not yet fully dry. Quote Link to comment Share on other sites More sharing options...
John Harte Posted June 14, 2021 Report Share Posted June 14, 2021 16 minutes ago, Marty Kasprzyk said: At one of the VSA instrument competitions I saw all of the instruments laid out on long white cloth covered tables. About one third of them had the impression pattern of the cloth fabric weave on their back plates where they touched the table cloth for the week. My impression (a premeditated pun) was that the varnishes of many of these relatively new instruments were not very hard. Mine did that at the 1994 competition. Had two weeks for varnishing prior to jumping on the plane to get to the U.S... Even the plush velvet lined case left its mark. Quote Link to comment Share on other sites More sharing options...
GeorgeH Posted June 14, 2021 Report Share Posted June 14, 2021 Was there any varnish left on the table clothes? Quote Link to comment Share on other sites More sharing options...
Evan Smith Posted June 14, 2021 Report Share Posted June 14, 2021 usually fuzzy fiddles if at all,,, but if it was fresh enough... I've literally traveled thousands of miles on the way to the comp. with a fiddle or two on the dash of the car,,, it helps. Quote Link to comment Share on other sites More sharing options...
Marty Kasprzyk Posted June 14, 2021 Report Share Posted June 14, 2021 19 minutes ago, GeorgeH said: Was there any varnish left on the table clothes? I didn't see any evidence of sticking. Perhaps the tablecloths had been sprayed with "PAM" canola oil blend. Quote Link to comment Share on other sites More sharing options...
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