Interesting, I would think if you get a
natural damping from frictional forces
of possibly 1.4 ( Q = 0.7) you would not need
any magnetic or other damping ?


----- Original Message ----- 
From: "John Lahr" 
To: 
Sent: Thursday, October 25, 2007 1:07 PM
Subject: Re: Mystery item and its potential seismometry uses/s?


> At 10:52 AM 10/25/2007, you wrote:
>>...I've added another 6th picture and text for a crude "crossed rod" 
>>pivot using
>>the same item.
> 
> Meredith,
> 
> It would be interesting to test this arrangement of rods.  I think 
> that due to the angles,
> the pivot point will need to rub rather than roll.  If that's the 
> case there will be much
> greater friction.
> 
> John 
> 
> 
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