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Old 11th November 2003, 09:58 PM   #1
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Thumbs up Teres LVL project

I am starting a Teres project using LVL material, or laminated vertical layer beams. This material has little resonance, high strength and seems ideal for platter, plinth, and armboard. I am going to have all three parts CNC'd, and use the teres motor and bearing and maybe a minusk support stand. One initial problem is I notice what seems like strobe markings on the acrylic platter at teres, do I need these for the controller to read them /work? And how would I put strobe marks on wood? A picture of this here http://www.teresaudio.com/gallery/g-48.jpg

I was also thinking of buying a www.minusk.com box, replacing the metal walls with something less resonant, and using it as my plinth, or as a support base. The technology is pretty fascinating. Chris, at teres audio, had some nice comments, telling me that he felt draining away the resonance was better than isolating it. Does anyone have any ideas on this?

What do you guys think about using a minusK base as the plinth? Its walls are metal, so those would have to be replaced with less resonant material. I also dont know the box layout, so I imagine the bearing placement would also be a problem. If that box is full of columns, then there may not be room for a bearing.

In any event, I have encouraged the minusk ceo/engineer to allow diy's a version of this technology for their electronics. I described how Passlabs has opened up its technology without harming its business, because his patents still apply to commercial competitors, and few commercial customers would bother to make their own. The owner agreed to think about it.



If anyone is interested, I will have a cnc parts buy when the files are ready, so we can buy in quantity.
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Old 12th November 2003, 04:42 PM   #2
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I would expect that wood is not dimentionally stable enough for a platter?
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Old 12th November 2003, 06:58 PM   #3
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Default minusK base

Don't think using such platform as TT plinth is a good idea.
There are friction damped springs inside the box. Teres is unsuspended TT in essence; do not place this platter on springs. BTW, I doubt the price could be afforable.
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Old 12th November 2003, 08:28 PM   #4
BrianL is offline BrianL  United States
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The Teres has a paper strobe disk
that works with a photo-source/sensor
set to monitor speed and feed it back
to the controller
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Old 19th November 2003, 06:21 PM   #5
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Default Dimensionally stable?

Thank you for the input on the paper strobe. Regarding the stability of LVL, I believe there is no match. It does not warp, period.


Laminated veneer lumber is an engineered wood product created by layering dried and graded wood veneers with waterproof adhesive into blocks of material known as billets. Generally speaking, "engineered wood" is manufactured by bonding together wood strands, veneers, lumber or other forms of wood fiber to produce a larger and integral composite unit that is stronger and stiffer than the sum of its parts. LVL is available in various thicknesses and widths and is easily worked in the on the job site using standard tools. LVLs are designed for use as floor beams, garage door, window and door headers, valley rafters, scaffold planking, and the flange material for prefabricated wood I-joists and ridge and hip beams.

In LVL billets, the grain of each layer of veneer runs in the same direction, rather than cross-lamination which is typical of other engineered wood products such as plywood. The resulting parallel-laminated lumber out-performs conventional lumber when either face- or edge-loaded. LVL is a solid, highly predictable and uniform engineered wood product that is sawn to consistent sizes and is virtually free from warping and splitting

Our industrial Laminated Veneer Lumber (LVL) is a unique layup of solid wood veneers in a parallel grain orientation supported by solid veneer crossbands. Our LVL layups are engineered to meet the specific demands of a wide range of manufacturing and finishing applications, including door and window components; exterior siding; fascia, soffits, trim and other finish work; concrete forms; door frames and jambs; specialized millwork components and substrates for High Pressure Laminates. It is over 40% stiffer and stronger than stress-rated timber and 15-20% stiffer and stronger than glue-laminated timber. These properties make LVL preferable for structural purposes over other lumber products. With LVL the same structural integrity can be achieved using less material, and less weight to the structure.


Available in various thicknesses and widths -- all of which are 100 percent usable -- our LVL virtually eliminates warping, shrinkage and waste. It provides a consistently smooth and uniform surface for laminating and finishing. It can be sawn and machined with conventional construction tools. And we can engineer and manufacture a product or component for specific applications.

http://www.pacificwoodlaminates.com/...d_wood/lvl.php
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