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About FiddleDoug

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  • Birthday November 28

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    Hilton, NY

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  1. Flood Damaged/Moldy Instruments

    From Wikipedia: " Sodium tetraborate decahydrate has no known hazard issues. Conditions defined as "over-exposure" to borax dust can cause respiratory irritation, while no skin irritation is known to exist due to borax. Ingestion may cause gastrointestinal distress including nausea, persistent vomiting, abdominal pain, and diarrhea. " If the inside of the instrument is dusted with borax, left for a while, and then blown out with compressed air, not enough would be left to cause any problems, and the residual borax shoud be enough to prevent any mold growth.
  2. Flood Damaged/Moldy Instruments

    I would consider dusting the insides with borax powder. That would kill the mold spores.
  3. Case humidifiers

    In my area, the humidifiers wouldn't be used in the summer. I would guess that except for fiberglass and ABS cases, most would be pretty leaky when it comes to moisture retention. Good in the fact that condensation might go away fairly quickly, bad in the fact that you need to keep refilling the humidifier.
  4. tiny cam

    You really need more light!!!
  5. How would you make a violin suitable for surfing with?

    Just get a good carbon fiber instrument. It can also double as a paddle!
  6. Cleaning rosin & gunk for violins with acetone

    You don't seem to have read the article very thoroughly: " The strength means that acetone can damage or remove most paints and finishes, so you should avoid using this solvent as a cleaner on all but the most solvent-resistant finishes. These would include conversion varnish, two-part polyurethane, UV-cured finish and epoxy resin. " I have a lot of chemistry experience with acetone, and I wouldn't use it anywhere near instruments!!
  7. Tailpiece string spacing

    As an addition to that- If there is a straight vibration path from the bridge, through the string, and right towards the end pin, is it better than having a path that "bends", with the vibration having a "kink", when it changes direction from string towards the end pin?
  8. Will it turn black?

    I doubt it. Iron solutions react almost immediately ,depending on how far the tannin is soaked into the wood, and how long the wood is wet with iron solution, to form black iron tannate, If there isn't enough tannic acid/tannin, or if the iron solution isn't strong enough, or left on long enough, it won't get any blacker. Once it's dry, and you varnish over it, it's done.
  9. Violin ID? (#1)

    " The internet is full of videos of people 'fixing' violin cracks with yellow wood glue or CA glue. I just wanted to check what's the general consensus on that. " Benjamin Franklin once said "Just because it's on the internet doesn't mean that it's correct" Both CA glue, and wood glue do have some very limited uses on violins, but fixing cracks is not included in those uses!!
  10. Minature camera for looking inside a violin?

    The one that I have is from Ebay. No brand name on it. Kind of like this one: A lot of these claim to work with Android phones now. They also claim that it's not supported on Windows 10, but I'm using a capture program called Amcap, and it seems to work fine.
  11. Minature camera for looking inside a violin?

    This does come up every so often. I'm surprised that this particular thread has been resurrected. The quick answer is yes. There are plenty of inexpensive USB endoscopes available on places like Ebay. The one that I have is 5.5mm, which will go through F holes or endpin holes. The little LED lights built into the end of these cameras are totally inadequate for the job, so you need something like a Luthier Light to get good lighting. There are some endoscope pictures in the link.
  12. Purchasing Violin oil varnish in Australia

    Hopefully, you won't be dinging your fiddle with oars!
  13. bass bar split repair

    The proper way to prevent that is to fit the saddle very loosely. The ebony doesn't shrink, and if there isn't room at the ends, and the top shrinks (from aging or humidity changes), the top will crack. I probably leave about 1/4 mm on each end, and work a little bees wax into the opening. I often remove saddles from older instruments and shorten them a bit. No cleats needed!
  14. Purchasing Violin oil varnish in Australia

    Some of us have tried, with success, using oil based spar varnish. Make sure that it doesn't have any urethanes/polyurethanes in it. Being near the sea, you might have better luck with this. Maybe something like this? Looks like they actually have a store in Tasmania!!
  15. Paper fibres caught in varnish

    The product contains Toluene (<20%, Acetone (>5%), and Isopropanol (>5%). Maybe you can find, or make an equivalent mix.