[CAUT] Dollies and projection (was Hamburg leg bolt)

[Don]

Hi Andrew,

It's not the carpet--but rather the concrete under the carpet. The legs do
vibrate and energy is lost unless there is something that will "reflect"
the vibrations back up the leg. 

At 01:39 PM 5/9/2006 -0500, you wrote:
>
>>"uncouple" it from the floor and let the whole thing resonate.  The reason,
>>then, that a spider compromises the sound isn't that the leg is off the
>>floor, but that the leg is stuck in the spider leg plate and can't move.
>>
>>I don't know of any research directed at this issue, but it makes sense to
>>me.
>>
>>For what it's worth,
>>Ken Z.
>I suspect that a spider soaks up energy even more than thin hotel 
>carpet.  By wedging up the cantilevered leg cups you take a lot of 
>elasticity out of the equation.  Legs sit freely in the spider cups, 
>I doubt they vibrate less, just have more soaked up by the elastic steel.
>
>Andrew Anderson
>
>
>
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Regards,
Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.
Non calor sed umor est qui nobis incommodat

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