Tweakers' Asylum

Can you link me?

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Howie

(A)

In Reply to: Re: Getting cables off the ground? posted by David Aiken on April 26, 2003 at 13:42:02:

I'm unfamiliar with the elevators. Can you provide me with a link? Thanks

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Re: Can you link me? - David Aiken 23:20:24 04/26/03 (5)
Down towards the bottom of the page in the link.
David Aiken
- Elevators
- Can I use bowls? - Howie 04:06:47 04/27/03 (4)
  They are expensive and kind of ugly but thanks for the link David. Is it the only/cheapest place to buy this?
  Is it possible for me to use porcelain rice bowls? Although they would be laquered I guess.
  - Re: Can I use bowls? - David Aiken 13:50:49 04/27/03 (3)
    Yes - turn them upside down and use something like a chopstick rest to support the cable and stop it sliding off.
    Porcelain rice bowls won't be laquered - they'll be glazed. I used to think the type of glaze didn't matter but now I'm not certain.
    Actually, I don't find the Elevators ugly in the flesh, though they are rather solid and heavy looking. They actually are built like an overturned rice bowl with a central column on which they stand. The column extends about half an inch below the level of the outer edge which means they seem to float a little above your floor because you can't see far enough under to see the column.
    David Aiken
    - So is the glaze bad? - Howie 23:24:57 04/27/03 (2)
      Is the glaze bad? Should I try one without glaze on them? Well the bottom is usually not glazed.
      - Re: So is the glaze bad? - David Aiken 13:34:01 04/28/03 (1)
        
        In Reply to: So is the glaze bad? posted by Howie on April 27, 2003 at 23:24:57:
        
        Glazes are really just a thin layer of a mixture that is fired into something like glass when the ceramic pot is fired. Different substances are added to the mixture to achieve different appearances and colours. It is quite conceivable that the glaze does make a difference and one of the claims made for the Elevators is that the glaze used at the top where the cable makes contact has different properties.
        Who knows? Theory at this level is beyond me. I just know I hear a noticeable difference with these, and so does my wife.
        David Aiken
        
        I think glaze is more an issue than we may think! - bartc 20:14:19 04/28/03 (0)
        
        In Reply to: Re: So is the glaze bad? posted by David Aiken on April 28, 2003 at 13:34:01:
        
        Glazes are often metallic compounds. Think dielectric! I would not have considered that until you guys brought it up, but chemically/physically that's what they are. I suppose if we can make ourselves quite crazy in the asylum about skin effects and minute amounts of dielectrics between wires, then we can just as easily posit that there may really be differences that matter in the glazing of these cable lifters.
        Actually, unless I'm mistaken, so are the clays used in ceramics, i.e., there's a certain amount of metal in the mix that makes different clays have different firing and acoustical (ringing) properties when fired at different temperatures. You could certainly custom mix ceramics and their glazes for different dielectric and acoustical properties (damping to ringing, conductivity, etc.), pretty much as scientific glassblowers do that for specific glazing issues in instrumentation of sorts. We're not talking adobe brick here!
        Sadly, while I understand the gross theory, my chemistry is WAY out of date and I can't throw a pot to save my life, so all this contributes to the debate is yet more theory...
        The proof is in the pudding (cup, turned over with chopstick rests glued on).

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