Search found 11 matches

by Øyvind Taraldsen
Fri Feb 24, 2012 9:00 am
Forum: Wood and Materials Q&A
Topic: Brazilian Teak (Dipteryx Odorata)
Replies: 2
Views: 5496

Re: Brazilian Teak (Dipteryx Odorata)

I have no personal experience with this wood, but the information i can find about it suggests that it has about the same weight and hardness as ebony, but with a high oil content, and silica particles. http://www.wood-database.com/lumber-identification/hardwoods/cumaru/ The data on this site sugges...
by Øyvind Taraldsen
Fri Feb 24, 2012 8:50 am
Forum: Wood and Materials Q&A
Topic: Fancy figured woods...
Replies: 97
Views: 88198

Re: Wood porn...

Figured katalox
by Øyvind Taraldsen
Wed Feb 22, 2012 5:21 pm
Forum: Wood and Materials Q&A
Topic: Wide vs tight grain
Replies: 4
Views: 7287

Re: Wide vs tight grain

Thanks for the source, interesting read. It seems to suggest that uniform growth is more important than the actual width of the growth rings when it comes to acoustical properties. I know that wood is very variable, and that every piece is different, i just wanted to find out if there has been any e...
by Øyvind Taraldsen
Tue Feb 21, 2012 9:51 pm
Forum: Wood and Materials Q&A
Topic: Wide vs tight grain
Replies: 4
Views: 7287

Wide vs tight grain

I have seen countless people claim that tighter grain wood is stronger than wider grain wood, and that wide grained conifers are practicaly useless as musical instrument wood. Is there any scientific evidence to back these claims up? Has anyone tested large samples of wood of the same species, with ...
by Øyvind Taraldsen
Mon Feb 13, 2012 7:05 am
Forum: Flat-Top Acoustic Guitars and Bass Guitars
Topic: Finishing with a scraper as opposed to sandpaper...
Replies: 56
Views: 51730

Re: Finishing with a scraper as opposed to sandpaper...

Acoustically there is no difference assuming you remove about the same amount of material. Edit: I have seen very few violinmakers claim that scraping makes a difference to the sound, it does however give a slightly different look, depending on how you use it. When scraping a spruce top with a somew...
by Øyvind Taraldsen
Fri Feb 10, 2012 9:10 am
Forum: String Instrument Repair: Practical and Political Issues
Topic: Loose endpin on an electric violin
Replies: 3
Views: 6442

Re: Loose endpin on an electric violin

Gluing in a hardwood dowel should work, this repair is sometimes used on electric guitars if the strap buttons rip out of the wood. I would not do a mixture of glue and woodchips, since the screw will be subjected to alot of tension, and in most cases using glue as a filler is not good for structura...
by Øyvind Taraldsen
Tue Feb 07, 2012 9:52 pm
Forum: Flat-Top Acoustic Guitars and Bass Guitars
Topic: 100 mile guitar - what woods to use?
Replies: 27
Views: 29190

Re: 100 mile guitar - what woods to use?

Bob Benedetto has made a complete guitar out of western red cedar, top, back, sides and neck, i think it is called the Sinfonietta Western Red Cedar. He mentions in his book that he normaly uses solid crossgrain spruce braces to reinforce the sides of most of his guitars. This is an archtop guitar s...
by Øyvind Taraldsen
Tue Feb 07, 2012 10:58 am
Forum: Archtop Guitars and Bass Guitars
Topic: Gearing up
Replies: 16
Views: 21711

Re: Gearing up

Beautiful guitar, i like the tailpiece design, and the clean look without binding.
by Øyvind Taraldsen
Tue Feb 07, 2012 10:35 am
Forum: Bowed Stringed Instruments and Bows
Topic: Violin rib thickness....why?
Replies: 19
Views: 29380

Re: Violin rib thickness....why?

I cannot say for sure whether the ribs where thinned before they where bent or bent at full thickness and then later scraped thinner, as this would only be speculation and i have no proof for either of them. Roger Hargrave suggests that del gesu might not have had the best method, or tools for the r...
by Øyvind Taraldsen
Tue Feb 07, 2012 7:33 am
Forum: Bowed Stringed Instruments and Bows
Topic: Violin rib thickness....why?
Replies: 19
Views: 29380

Re: Violin rib thickness....why?

With great respect, I would need to see that verified. Ribs less than half a millimeter in a violin would never be intentional......but a mistake. Consider that 0.5 mm is just 500 microns or the thickness of 5 human hairs. The source of this information is Roger Hargrave's pdf book on his site http...
by Øyvind Taraldsen
Mon Feb 06, 2012 5:40 pm
Forum: Bowed Stringed Instruments and Bows
Topic: Violin rib thickness....why?
Replies: 19
Views: 29380

Re: Violin rib thickness....why?

Some of it has to do with ease of bending, alot of highly flamed european maple suddenly becomes alot easier to bend once you get below 1.5mm thickness, in some of the Guarneri del gesu violins the rib thickness goes under 0.5mm in the tightest curves of the c-bouts where the ribs are glued to the c...

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