Janito
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Everything posted by Janito
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FWIW, a couple of comments from the Peanut Gallery: > I have used the Chinese digital iron for several years without a problem. The iron shape is good. > Bought a Luthiers Bench iron a couple of years ago. I wasn't in a rush, so all went smoothly (it was shipped to a UK address and I picked it up later). Mr Studdard responded reasonably quickly to my emails. Also, worth pointing out that they do a version that works at 120V - I simply cut off the UK plug and installed a US 3-pin on instead.
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Van Dyke crystals dissolved in water can leave a nice matt brown coating that can crackle varnish if used appropriately over partly dried varnish. Search MN - lots there. For example:
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Nussbaum (Van Dyke crystals in water) - any craquelure adds interest.
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Do you make your own varnish or purchase from a vendor?
Janito replied to scordatura's topic in The Pegbox
Cold fusion. -
especially Whores Concous
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The anxiety of making V1. Just go with the Strad - nobody will know the difference from the original (it's locked in a case).
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A practical suggestion: For V1, it will make little difference what the original model was like - it is not going to be a bench copy. So I would just get any poster that has sufficient information to proceed. When finished, it can be called "whatever".
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Some progress...still a way to go.
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using '@' exposes email addresses to trawling software and later spam. instead use: XXXX(at)xxxx.com
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David Wiebe - already mentioned
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The references in that paper are here: https://www.researchgate.net/publication/329708816_Synchrotron_radiation_micro-computed_tomography_for_the_investigation_of_finishing_treatments_in_historical_bowed_string_instruments_Issues_and_perspectives I am not sure I would submit a paper to ANAL BIOANAL CHEM
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Seconded
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Any notable violin making materials from SE Asia?
Janito replied to kevin Prestwich's topic in The Pegbox
Yep - can be amazing stuff. The best is very dense. -
Probably.... That piece of cloth has been in the UV box for over 5 years - when not in use, the jars dry out. Interesting example of amateur 'thin-layer chromatography' of the pink compound.
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UV on bare Canadian maple.
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From the UV light box: UV-induced new life forms...?
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Thanks for the responses!
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So you would not expect to see 'bleaching' of maple or spruce with UV light box exposures that would be considered practicable (say <3 months).
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I am interested in what happens to wood over time when an instrument is exposed in a UV box. How much time does it take for the wood darkening to change to 'bleaching'? I realise that there are many variables that can affect the answer to this question, but even rough estimates and some commentary on the conditions, wood type etc. would be helpful.
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The shaft looks thin. Have you tried it in a peg-shaper?
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For a first scroll, the most important thing is to have a block of wood where the 2 sides can be planed perpendicular to the surface that will receive the fingerboard. A wedge block is a way to purgatory and eternal misery as regards good layout and side-to-side consistency...unless patches are glued allowing perpendicular sides.
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With a very strong/thick back and the front thinner in the centre and thicker at the edges in C bout area?
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Could a back that is being 'stretched' when the strings are tensioned cause a "squeezing-in" effect of the top plate at the C bout if the constructional circumstances are right.
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The asymmetry of the effect on the front suggests that variation of construction could make a difference to the shape. What would this 'movement' diagram look like if the back is very strong/thick and the front thin in the centre and thicker at the edges? Other constructional variations are conceivable.
