PSN-L Email List Message

Subject: Re: slight correction
From: tchannel1@............
Date: Thu, 27 Mar 2008 11:35:06 -0600

Hi Randall,  Please could you send me a sketch of this?   I would like to 
try this on this "Nearly Balanced" before I send it to the bone yard.
The parts of the sensor are easy to adjust, and I think I can incorporate 
your dimensions on this idea.

Thanks, Ted

----- Original Message ----- 
From: "Randall Peters" 
Sent: Thursday, March 27, 2008 11:16 AM
Subject: slight correction

>    Because of a parameter that was assigned incorrectly in my
> simulation, the numbers I just transmitted are not quite right.  They
> apply to a lower rod length of 1 m, with the center of the x10 upper
> mass a little below 5 cm above the axis.
>     In the case of the 50 cm rod, the x 10 mass at just under 2.5 cm
> yields a sensitivity at 20 s (Q = 100) of 39% that of the 99 m simple
> pendulum.  Its sensitivity to high-frequencies is one-half of 1% of the
> simple pendulum's.


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